diff --git a/.generator/Dockerfile b/.generator/Dockerfile
index 1dfaa731eccc..9856ac549360 100644
--- a/.generator/Dockerfile
+++ b/.generator/Dockerfile
@@ -139,4 +139,5 @@ RUN chmod a+rx ./cli.py
 COPY .generator/parse_googleapis_content.py .
 RUN chmod a+rx ./parse_googleapis_content.py
 
+ENV ENABLE_PERF_LOGS=1
 ENTRYPOINT ["python3.14", "./cli.py"]
diff --git a/.generator/cli.py b/.generator/cli.py
index 48d6776594f0..06d035392a41 100644
--- a/.generator/cli.py
+++ b/.generator/cli.py
@@ -23,6 +23,7 @@
 import subprocess
 import sys
 import tempfile
+import time
 import yaml
 from datetime import date, datetime
 from functools import lru_cache
@@ -31,6 +32,40 @@
 import build.util
 import parse_googleapis_content
 
+logging.basicConfig(stream=sys.stdout, level=logging.INFO)
+
+import functools
+
+PERF_LOGGING_ENABLED = os.environ.get("ENABLE_PERF_LOGS") == "1"
+
+if PERF_LOGGING_ENABLED:
+    perf_logger = logging.getLogger("performance_metrics")
+    perf_logger.setLevel(logging.INFO)
+    perf_handler = logging.FileHandler("performance_metrics.log", mode='w')
+    perf_formatter = logging.Formatter('%(asctime)s | %(message)s', datefmt='%H:%M:%S')
+    perf_handler.setFormatter(perf_formatter)
+    perf_logger.addHandler(perf_handler)
+    perf_logger.propagate = False
+
+def track_time(func):
+    """
+    Decorator. Usage: @track_time
+    If logging is OFF, it returns the original function (Zero Overhead).
+    If logging is ON, it wraps the function to measure execution time.
+    """
+    if not PERF_LOGGING_ENABLED:
+        return func
+
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        start_time = time.perf_counter()
+        try:
+            return func(*args, **kwargs)
+        finally:
+            duration = time.perf_counter() - start_time
+            perf_logger.info(f"{func.__name__:<30} | {duration:.4f} seconds")
+            
+    return wrapper
 
 try:
     import synthtool
@@ -320,6 +355,7 @@ def _get_library_id(request_data: Dict) -> str:
     return library_id
 
 
+@track_time
 def _run_post_processor(output: str, library_id: str, is_mono_repo: bool):
     """Runs the synthtool post-processor on the output directory.
 
@@ -389,6 +425,7 @@ def _add_header_to_files(directory: str) -> None:
                 f.writelines(lines)
 
 
+@track_time
 def _copy_files_needed_for_post_processing(
     output: str, input: str, library_id: str, is_mono_repo: bool
 ):
@@ -435,6 +472,7 @@ def _copy_files_needed_for_post_processing(
                 )
 
 
+@track_time
 def _clean_up_files_after_post_processing(
     output: str, library_id: str, is_mono_repo: bool
 ):
@@ -581,6 +619,7 @@ def _get_repo_name_from_repo_metadata(base: str, library_id: str, is_mono_repo:
     return repo_name
 
 
+@track_time
 def _generate_repo_metadata_file(
     output: str, library_id: str, source: str, apis: List[Dict], is_mono_repo: bool
 ):
@@ -622,6 +661,7 @@ def _generate_repo_metadata_file(
     _write_json_file(output_repo_metadata, metadata_content)
 
 
+@track_time
 def _copy_readme_to_docs(output: str, library_id: str, is_mono_repo: bool):
     """Copies the README.rst file for a generated library to docs/README.rst.
 
@@ -663,6 +703,7 @@ def _copy_readme_to_docs(output: str, library_id: str, is_mono_repo: bool):
         f.write(content)
 
 
+@track_time
 def handle_generate(
     librarian: str = LIBRARIAN_DIR,
     source: str = SOURCE_DIR,
@@ -711,6 +752,7 @@ def handle_generate(
         _run_post_processor(output, library_id, is_mono_repo)
         _copy_readme_to_docs(output, library_id, is_mono_repo)
         _clean_up_files_after_post_processing(output, library_id, is_mono_repo)
+
     except Exception as e:
         raise ValueError("Generation failed.") from e
     logger.info("'generate' command executed.")
@@ -924,6 +966,7 @@ def _stage_gapic_library(tmp_dir: str, staging_dir: str) -> None:
     shutil.copytree(tmp_dir, staging_dir, dirs_exist_ok=True)
 
 
+@track_time
 def _generate_api(
     api_path: str,
     library_id: str,
@@ -1744,6 +1787,7 @@ def handle_release_stage(
             output=args.output,
             input=args.input,
         )
+
     elif args.command == "build":
         args.func(librarian=args.librarian, repo=args.repo)
     elif args.command == "release-stage":
diff --git a/.librarian/generate-request.json b/.librarian/generate-request.json
new file mode 100644
index 000000000000..205c69a29519
--- /dev/null
+++ b/.librarian/generate-request.json
@@ -0,0 +1,32 @@
+{
+  "id": "google-cloud-discoveryengine",
+  "version": "0.4.0",
+  "apis": [
+    {
+      "path": "google/cloud/discoveryengine/v1",
+      "service_config": "discoveryengine_v1.yaml"
+    },
+    {
+      "path": "google/cloud/discoveryengine/v1beta",
+      "service_config": "discoveryengine_v1beta.yaml"
+    },
+    {
+      "path": "google/cloud/discoveryengine/v1alpha",
+      "service_config": "discoveryengine_v1alpha.yaml"
+    }
+  ],
+  "source_roots": [
+    "packages/google-cloud-discoveryengine"
+  ],
+  "preserve_regex": [
+    "packages/google-cloud-discoveryengine/CHANGELOG.md",
+    "docs/CHANGELOG.md",
+    "samples/README.txt",
+    "samples/snippets/README.rst",
+    "tests/system"
+  ],
+  "remove_regex": [
+    "packages/google-cloud-discoveryengine/"
+  ],
+  "tag_format": "{id}-v{version}"
+}
\ No newline at end of file
diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index 1bcd77bfc4f5..5d104eb474c7 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -1,4306 +1,23 @@
-image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:72e9b62c0f8f3799651ee62d777a2905f5b72ff19ea46f2e7b7d682d7d1e9414
+image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator:latest
 libraries:
-  - id: google-ads-admanager
-    version: 0.6.0
-    last_generated_commit: e8365a7f88fabe8717cb8322b8ce784b03b6daea
-    apis:
-      - path: google/ads/admanager/v1
-        service_config: admanager_v1.yaml
-    source_roots:
-      - packages/google-ads-admanager
-    preserve_regex:
-      - packages/google-ads-admanager/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-ads-admanager/
-    tag_format: '{id}-v{version}'
-  - id: google-ads-datamanager
-    version: 0.1.0
-    last_generated_commit: c2db528a3e4d12b95666c719ee0db30a3d4c78ad
-    apis:
-      - path: google/ads/datamanager/v1
-        service_config: datamanager_v1.yaml
-    source_roots:
-      - packages/google-ads-datamanager
-    preserve_regex:
-      - packages/google-ads-datamanager/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-ads-datamanager
-    tag_format: '{id}-v{version}'
-  - id: google-ads-marketingplatform-admin
-    version: 0.3.0
-    last_generated_commit: 53f97391f3451398f7b53c7f86dabd325d205677
-    apis:
-      - path: google/marketingplatform/admin/v1alpha
-        service_config: marketingplatformadmin_v1alpha.yaml
-    source_roots:
-      - packages/google-ads-marketingplatform-admin
-    preserve_regex:
-      - packages/google-ads-marketingplatform-admin/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-ads-marketingplatform-admin/
-    tag_format: '{id}-v{version}'
-  - id: google-ai-generativelanguage
-    version: 0.9.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/ai/generativelanguage/v1
-        service_config: generativelanguage_v1.yaml
-      - path: google/ai/generativelanguage/v1beta
-        service_config: generativelanguage_v1beta.yaml
-      - path: google/ai/generativelanguage/v1beta3
-        service_config: generativelanguage_v1beta3.yaml
-      - path: google/ai/generativelanguage/v1beta2
-        service_config: generativelanguage_v1beta2.yaml
-      - path: google/ai/generativelanguage/v1alpha
-        service_config: generativelanguage_v1alpha.yaml
-    source_roots:
-      - packages/google-ai-generativelanguage
-    preserve_regex:
-      - packages/google-ai-generativelanguage/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-ai-generativelanguage/
-    tag_format: '{id}-v{version}'
-  - id: google-analytics-admin
-    version: 0.26.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/analytics/admin/v1beta
-        service_config: analyticsadmin_v1beta.yaml
-      - path: google/analytics/admin/v1alpha
-        service_config: analyticsadmin_v1alpha.yaml
-    source_roots:
-      - packages/google-analytics-admin
-    preserve_regex:
-      - packages/google-analytics-admin/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-analytics-admin/
-    tag_format: '{id}-v{version}'
-  - id: google-analytics-data
-    version: 0.19.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/analytics/data/v1alpha
-        service_config: analyticsdata_v1alpha.yaml
-      - path: google/analytics/data/v1beta
-        service_config: analyticsdata_v1beta.yaml
-    source_roots:
-      - packages/google-analytics-data
-    preserve_regex:
-      - packages/google-analytics-data/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-analytics-data/
-    tag_format: '{id}-v{version}'
-  - id: google-apps-card
-    version: 0.3.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/apps/card/v1
-        service_config: ""
-    source_roots:
-      - packages/google-apps-card
-    preserve_regex:
-      - packages/google-apps-card/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-      - tests/unit/gapic/card_v1/test_card.py
-    remove_regex:
-      - packages/google-apps-card/
-    tag_format: '{id}-v{version}'
-  - id: google-apps-chat
-    version: 0.4.0
-    last_generated_commit: e8365a7f88fabe8717cb8322b8ce784b03b6daea
-    apis:
-      - path: google/chat/v1
-        service_config: chat_v1.yaml
-    source_roots:
-      - packages/google-apps-chat
-    preserve_regex:
-      - packages/google-apps-chat/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-apps-chat/
-    tag_format: '{id}-v{version}'
-  - id: google-apps-events-subscriptions
-    version: 0.3.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/apps/events/subscriptions/v1
-        service_config: workspaceevents_v1.yaml
-      - path: google/apps/events/subscriptions/v1beta
-        service_config: workspaceevents_v1beta.yaml
-    source_roots:
-      - packages/google-apps-events-subscriptions
-    preserve_regex:
-      - packages/google-apps-events-subscriptions/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-apps-events-subscriptions/
-    tag_format: '{id}-v{version}'
-  - id: google-apps-meet
-    version: 0.2.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/apps/meet/v2beta
-        service_config: meet_v2beta.yaml
-      - path: google/apps/meet/v2
-        service_config: meet_v2.yaml
-    source_roots:
-      - packages/google-apps-meet
-    preserve_regex:
-      - packages/google-apps-meet/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-apps-meet/
-    tag_format: '{id}-v{version}'
-  - id: google-apps-script-type
-    version: 0.4.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/apps/script/type
-        service_config: ""
-      - path: google/apps/script/type/gmail
-        service_config: ""
-      - path: google/apps/script/type/docs
-        service_config: ""
-      - path: google/apps/script/type/drive
-        service_config: ""
-      - path: google/apps/script/type/sheets
-        service_config: ""
-      - path: google/apps/script/type/calendar
-        service_config: ""
-      - path: google/apps/script/type/slides
-        service_config: ""
-    source_roots:
-      - packages/google-apps-script-type
-    preserve_regex:
-      - packages/google-apps-script-type/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-      - tests/unit/gapic/calendar/test_calendar.py
-      - tests/unit/gapic/docs/test_docs.py
-      - tests/unit/gapic/drive/test_drive.py
-      - tests/unit/gapic/gmail/test_gmail.py
-      - tests/unit/gapic/sheets/test_sheets.py
-      - tests/unit/gapic/slides/test_slides.py
-      - tests/unit/gapic/type/test_type.py
-    remove_regex:
-      - packages/google-apps-script-type
-    tag_format: '{id}-v{version}'
-  - id: google-area120-tables
-    version: 0.12.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/area120/tables/v1alpha1
-        service_config: area120tables_v1alpha1.yaml
-    source_roots:
-      - packages/google-area120-tables
-    preserve_regex:
-      - packages/google-area120-tables/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-area120-tables/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-access-approval
-    version: 1.17.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/accessapproval/v1
-        service_config: accessapproval_v1.yaml
-    source_roots:
-      - packages/google-cloud-access-approval
-    preserve_regex:
-      - packages/google-cloud-access-approval/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-access-approval/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-access-context-manager
-    version: 0.3.0
-    last_generated_commit: e8365a7f88fabe8717cb8322b8ce784b03b6daea
-    apis:
-      - path: google/identity/accesscontextmanager/v1
-        service_config: accesscontextmanager_v1.yaml
-      - path: google/identity/accesscontextmanager/type
-        service_config: ""
-    source_roots:
-      - packages/google-cloud-access-context-manager
-    preserve_regex: []
-    remove_regex:
-      - ^packages/google-cloud-access-context-manager/google/.*/.*(?:\.proto|_pb2\.(?:py|pyi))$
-      - .repo-metadata.json
-      - README.rst
-      - docs/summary_overview.md
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-advisorynotifications
-    version: 0.4.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/advisorynotifications/v1
-        service_config: advisorynotifications_v1.yaml
-    source_roots:
-      - packages/google-cloud-advisorynotifications
-    preserve_regex:
-      - packages/google-cloud-advisorynotifications/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-advisorynotifications/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-alloydb
-    version: 0.6.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/alloydb/v1beta
-        service_config: alloydb_v1beta.yaml
-      - path: google/cloud/alloydb/v1
-        service_config: alloydb_v1.yaml
-      - path: google/cloud/alloydb/v1alpha
-        service_config: alloydb_v1alpha.yaml
-    source_roots:
-      - packages/google-cloud-alloydb
-    preserve_regex:
-      - packages/google-cloud-alloydb/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-alloydb/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-alloydb-connectors
-    version: 0.2.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/alloydb/connectors/v1
-        service_config: connectors_v1.yaml
-      - path: google/cloud/alloydb/connectors/v1alpha
-        service_config: connectors_v1alpha.yaml
-      - path: google/cloud/alloydb/connectors/v1beta
-        service_config: connectors_v1beta.yaml
-    source_roots:
-      - packages/google-cloud-alloydb-connectors
-    preserve_regex:
-      - packages/google-cloud-alloydb-connectors/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-      - tests/unit/gapic/connectors_v1/test_connectors.py
-    remove_regex:
-      - packages/google-cloud-alloydb-connectors/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-api-gateway
-    version: 1.13.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/apigateway/v1
-        service_config: apigateway_v1.yaml
-    source_roots:
-      - packages/google-cloud-api-gateway
-    preserve_regex:
-      - packages/google-cloud-api-gateway/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-api-gateway/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-api-keys
-    version: 0.6.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/api/apikeys/v2
-        service_config: apikeys_v2.yaml
-    source_roots:
-      - packages/google-cloud-api-keys
-    preserve_regex:
-      - packages/google-cloud-api-keys/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-api-keys/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-apigee-connect
-    version: 1.13.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/apigeeconnect/v1
-        service_config: apigeeconnect_v1.yaml
-    source_roots:
-      - packages/google-cloud-apigee-connect
-    preserve_regex:
-      - packages/google-cloud-apigee-connect/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-apigee-connect/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-apigee-registry
-    version: 0.7.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/apigeeregistry/v1
-        service_config: apigeeregistry_v1.yaml
-    source_roots:
-      - packages/google-cloud-apigee-registry
-    preserve_regex:
-      - packages/google-cloud-apigee-registry/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-apigee-registry/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-apihub
-    version: 0.4.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/apihub/v1
-        service_config: apihub_v1.yaml
-    source_roots:
-      - packages/google-cloud-apihub
-    preserve_regex:
-      - packages/google-cloud-apihub/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-cloud-apihub/
-    tag_format: '{id}-v{version}'
-  - id: google-cloud-appengine-admin
-    version: 1.15.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
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-      - path: google/cloud/domains/v1
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-      - packages/google-cloud-domains
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-  - id: google-cloud-filestore
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-  - id: google-cloud-financialservices
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-  - id: google-cloud-gke-backup
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-        service_config: connectgateway_v1.yaml
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-  - id: google-cloud-hypercomputecluster
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-  - id: google-cloud-iam
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-      - path: google/iam/v3beta
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-      - path: google/iam/admin/v1
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-      - path: google/iam/v2
-        service_config: iam_v2.yaml
-      - path: google/iam/credentials/v1
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-  - id: google-cloud-iap
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-        service_config: ids_v1.yaml
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-  - id: google-cloud-kms
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-        service_config: cloudkms_v1.yaml
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-  - id: google-cloud-kms-inventory
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-        service_config: kmsinventory_v1.yaml
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-  - id: google-cloud-language
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-        service_config: language_v1.yaml
-      - path: google/cloud/language/v1beta2
-        service_config: language_v1beta2.yaml
-      - path: google/cloud/language/v2
-        service_config: language_v2.yaml
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-  - id: google-cloud-licensemanager
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-        service_config: licensemanager_v1.yaml
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-  - id: google-cloud-life-sciences
-    version: 0.10.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/cloud/lifesciences/v2beta
-        service_config: lifesciences_v2beta.yaml
-    source_roots:
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-      - docs/CHANGELOG.md
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-  - id: google-cloud-policysimulator
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-  - id: google-cloud-policytroubleshooter-iam
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-      - path: google/cloud/retail/v2alpha
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-      - path: google/cloud/secretmanager/v1beta2
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-      - path: google/cloud/secrets/v1beta1
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-  - id: google-cloud-servicehealth
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-  - id: google-cloud-speech
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-        service_config: speech_v1.yaml
-      - path: google/cloud/speech/v2
-        service_config: speech_v2.yaml
-      - path: google/cloud/speech/v1p1beta1
-        service_config: speech_v1p1beta1.yaml
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-  - id: google-cloud-storage-control
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-        service_config: storage_v2.yaml
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-  - id: google-cloud-storage-transfer
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-        service_config: storagetransfer_v1.yaml
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-  - id: google-cloud-storagebatchoperations
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-        service_config: storagebatchoperations_v1.yaml
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-  - id: google-cloud-storageinsights
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-        service_config: storageinsights_v1.yaml
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-      - path: google/cloud/support/v2beta
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-  - id: google-maps-places
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-  - id: google-maps-routeoptimization
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-  - id: google-maps-routing
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-        service_config: routes_v2.yaml
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-  - id: google-maps-solar
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-    apis:
-      - path: google/maps/solar/v1
-        service_config: solar_v1.yaml
-    source_roots:
-      - packages/google-maps-solar
-    preserve_regex:
-      - packages/google-maps-solar/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-maps-solar
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-css
-    version: 0.2.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/css/v1
-        service_config: css_v1.yaml
-    source_roots:
-      - packages/google-shopping-css
-    preserve_regex:
-      - packages/google-shopping-css/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-css/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-accounts
-    version: 1.1.0
-    last_generated_commit: a17b84add8318f780fcc8a027815d5fee644b9f7
-    apis:
-      - path: google/shopping/merchant/accounts/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/accounts/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-accounts
-    preserve_regex:
-      - packages/google-shopping-merchant-accounts/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-accounts/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-conversions
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/conversions/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/conversions/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-conversions
-    preserve_regex:
-      - packages/google-shopping-merchant-conversions/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-conversions/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-datasources
-    version: 1.2.0
-    last_generated_commit: 53f97391f3451398f7b53c7f86dabd325d205677
-    apis:
-      - path: google/shopping/merchant/datasources/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/datasources/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-datasources
-    preserve_regex:
-      - packages/google-shopping-merchant-datasources/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-datasources/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-inventories
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/inventories/v1beta
-        service_config: merchantapi_v1beta.yaml
-      - path: google/shopping/merchant/inventories/v1
-        service_config: merchantapi_v1.yaml
-    source_roots:
-      - packages/google-shopping-merchant-inventories
-    preserve_regex:
-      - packages/google-shopping-merchant-inventories/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-inventories/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-issueresolution
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/issueresolution/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/issueresolution/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-issueresolution
-    preserve_regex:
-      - packages/google-shopping-merchant-issueresolution/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-issueresolution/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-lfp
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/lfp/v1beta
-        service_config: merchantapi_v1beta.yaml
-      - path: google/shopping/merchant/lfp/v1
-        service_config: merchantapi_v1.yaml
-    source_roots:
-      - packages/google-shopping-merchant-lfp
-    preserve_regex:
-      - packages/google-shopping-merchant-lfp/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-lfp/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-notifications
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/notifications/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/notifications/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-notifications
-    preserve_regex:
-      - packages/google-shopping-merchant-notifications/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-notifications/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-ordertracking
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/ordertracking/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/ordertracking/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-ordertracking
-    preserve_regex:
-      - packages/google-shopping-merchant-ordertracking/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-ordertracking/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-products
-    version: 1.2.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/products/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/products/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-products
-    preserve_regex:
-      - packages/google-shopping-merchant-products/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-products/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-productstudio
-    version: 0.2.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/productstudio/v1alpha
-        service_config: merchantapi_v1alpha.yaml
-    source_roots:
-      - packages/google-shopping-merchant-productstudio
-    preserve_regex:
-      - packages/google-shopping-merchant-productstudio/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-productstudio/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-promotions
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/promotions/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/promotions/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-promotions
-    preserve_regex:
-      - packages/google-shopping-merchant-promotions/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-promotions/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-quota
-    version: 1.1.0
-    last_generated_commit: c2db528a3e4d12b95666c719ee0db30a3d4c78ad
-    apis:
-      - path: google/shopping/merchant/quota/v1beta
-        service_config: merchantapi_v1beta.yaml
-      - path: google/shopping/merchant/quota/v1
-        service_config: merchantapi_v1.yaml
-    source_roots:
-      - packages/google-shopping-merchant-quota
-    preserve_regex:
-      - packages/google-shopping-merchant-quota/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-quota/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-reports
-    version: 1.1.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/reports/v1beta
-        service_config: merchantapi_v1beta.yaml
-      - path: google/shopping/merchant/reports/v1
-        service_config: merchantapi_v1.yaml
-      - path: google/shopping/merchant/reports/v1alpha
-        service_config: merchantapi_v1alpha.yaml
-    source_roots:
-      - packages/google-shopping-merchant-reports
-    preserve_regex:
-      - packages/google-shopping-merchant-reports/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-reports/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-merchant-reviews
-    version: 0.3.0
-    last_generated_commit: 3322511885371d2b2253f209ccc3aa60d4100cfd
-    apis:
-      - path: google/shopping/merchant/reviews/v1beta
-        service_config: merchantapi_v1beta.yaml
-    source_roots:
-      - packages/google-shopping-merchant-reviews
-    preserve_regex:
-      - packages/google-shopping-merchant-reviews/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-    remove_regex:
-      - packages/google-shopping-merchant-reviews/
-    tag_format: '{id}-v{version}'
-  - id: google-shopping-type
-    version: 1.1.0
-    last_generated_commit: a17b84add8318f780fcc8a027815d5fee644b9f7
-    apis:
-      - path: google/shopping/type
-        service_config: ""
-    source_roots:
-      - packages/google-shopping-type
-    preserve_regex:
-      - packages/google-shopping-type/CHANGELOG.md
-      - docs/CHANGELOG.md
-      - samples/README.txt
-      - samples/snippets/README.rst
-      - tests/system
-      - tests/unit/gapic/type/test_type.py
-    remove_regex:
-      - packages/google-shopping-type/
-    tag_format: '{id}-v{version}'
-  - id: googleapis-common-protos
-    version: 1.72.0
-    last_generated_commit: c9ff4f1cd26f1fe63e6d1c11a198366b70ebdb84
-    apis:
-      - path: google/api
-        service_config: serviceconfig.yaml
-      - path: google/cloud
-        service_config: ""
-      - path: google/cloud/location
-        service_config: cloud.yaml
-      - path: google/logging/type
-        service_config: ""
-      - path: google/rpc
-        service_config: rpc_publish.yaml
-      - path: google/rpc/context
-        service_config: ""
-      - path: google/type
-        service_config: type.yaml
-    source_roots:
-      - packages/googleapis-common-protos
-    preserve_regex: []
-    remove_regex:
-      - ^packages/googleapis-common-protos/google/(?:api|cloud|logging|rpc|type)/.*(?:\.proto|_pb2\.(?:py|pyi))$
-      - .repo-metadata.json
-      - README.rst
-      - docs/summary_overview.md
-    tag_format: '{id}-v{version}'
-  - id: grafeas
-    version: 1.16.0
-    last_generated_commit: e8365a7f88fabe8717cb8322b8ce784b03b6daea
+  - id: google-cloud-discoveryengine
+    version: 0.15.0
+    last_generated_commit: c288189b43c016dd3cf1ec73ce3cadee8b732f07
     apis:
-      - path: grafeas/v1
-        service_config: grafeas_v1.yaml
+      - path: google/cloud/discoveryengine/v1
+        service_config: discoveryengine_v1.yaml
+      - path: google/cloud/discoveryengine/v1beta
+        service_config: discoveryengine_v1beta.yaml
+      - path: google/cloud/discoveryengine/v1alpha
+        service_config: discoveryengine_v1alpha.yaml
     source_roots:
-      - packages/grafeas
+      - packages/google-cloud-discoveryengine
     preserve_regex:
-      - packages/grafeas/CHANGELOG.md
+      - packages/google-cloud-discoveryengine/CHANGELOG.md
       - docs/CHANGELOG.md
       - samples/README.txt
       - samples/snippets/README.rst
       - tests/system
-      - grafeas/grafeas\.py
-      - ^packages/grafeas/grafeas/__init__.py
-      - grafeas/grafeas/grafeas_v1/types.py
     remove_regex:
-      - packages/grafeas
-    tag_format: '{id}-v{version}'
-  - id: grpc-google-iam-v1
-    version: 0.14.2
-    last_generated_commit: e8365a7f88fabe8717cb8322b8ce784b03b6daea
-    apis:
-      - path: google/iam/v1
-        service_config: iam_meta_api.yaml
-    source_roots:
-      - packages/grpc-google-iam-v1/
-    preserve_regex: []
-    remove_regex:
-      - ^packages/grpc-google-iam-v1/google/iam/v1/[^/]*(?:\.proto|_pb2\.(?:py|pyi))$
-      - .repo-metadata.json
-      - README.rst
-      - docs/summary_overview.md
-    tag_format: '{id}-v{version}'
+      - packages/google-cloud-discoveryengine/
+    tag_format: '{id}-v{version}'
\ No newline at end of file
diff --git a/packages/google-cloud-discoveryengine/docs/conf.py b/packages/google-cloud-discoveryengine/docs/conf.py
index cd739b891f18..4c7eb31ab3e6 100644
--- a/packages/google-cloud-discoveryengine/docs/conf.py
+++ b/packages/google-cloud-discoveryengine/docs/conf.py
@@ -25,9 +25,9 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+import sys
 import os
 import shlex
-import sys
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/__init__.py
index 87c60a3ca4fc..e745ae2feb51 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/__init__.py
@@ -18,202 +18,258 @@
 __version__ = package_version.__version__
 
 
-from google.cloud.discoveryengine_v1beta.services.completion_service.async_client import (
-    CompletionServiceAsyncClient,
-)
 from google.cloud.discoveryengine_v1beta.services.completion_service.client import (
     CompletionServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.control_service.async_client import (
-    ControlServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.completion_service.async_client import (
+    CompletionServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.control_service.client import (
     ControlServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.conversational_search_service.async_client import (
-    ConversationalSearchServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.control_service.async_client import (
+    ControlServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.conversational_search_service.client import (
     ConversationalSearchServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.data_store_service.async_client import (
-    DataStoreServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.conversational_search_service.async_client import (
+    ConversationalSearchServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.data_store_service.client import (
     DataStoreServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.document_service.async_client import (
-    DocumentServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.data_store_service.async_client import (
+    DataStoreServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.document_service.client import (
     DocumentServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.engine_service.async_client import (
-    EngineServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.document_service.async_client import (
+    DocumentServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.engine_service.client import (
     EngineServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.evaluation_service.async_client import (
-    EvaluationServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.engine_service.async_client import (
+    EngineServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.evaluation_service.client import (
     EvaluationServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.grounded_generation_service.async_client import (
-    GroundedGenerationServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.evaluation_service.async_client import (
+    EvaluationServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.grounded_generation_service.client import (
     GroundedGenerationServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.project_service.async_client import (
-    ProjectServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.grounded_generation_service.async_client import (
+    GroundedGenerationServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.project_service.client import (
     ProjectServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.rank_service.async_client import (
-    RankServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.project_service.async_client import (
+    ProjectServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.rank_service.client import (
     RankServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.recommendation_service.async_client import (
-    RecommendationServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.rank_service.async_client import (
+    RankServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.recommendation_service.client import (
     RecommendationServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.sample_query_service.async_client import (
-    SampleQueryServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.recommendation_service.async_client import (
+    RecommendationServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.sample_query_service.client import (
     SampleQueryServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.sample_query_set_service.async_client import (
-    SampleQuerySetServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.sample_query_service.async_client import (
+    SampleQueryServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.sample_query_set_service.client import (
     SampleQuerySetServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.schema_service.async_client import (
-    SchemaServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.sample_query_set_service.async_client import (
+    SampleQuerySetServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.schema_service.client import (
     SchemaServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.search_service.async_client import (
-    SearchServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.schema_service.async_client import (
+    SchemaServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.search_service.client import (
     SearchServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.search_tuning_service.async_client import (
-    SearchTuningServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.search_service.async_client import (
+    SearchServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.search_tuning_service.client import (
     SearchTuningServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.serving_config_service.async_client import (
-    ServingConfigServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.search_tuning_service.async_client import (
+    SearchTuningServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.serving_config_service.client import (
     ServingConfigServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.session_service.async_client import (
-    SessionServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.serving_config_service.async_client import (
+    ServingConfigServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.session_service.client import (
     SessionServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.site_search_engine_service.async_client import (
-    SiteSearchEngineServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.session_service.async_client import (
+    SessionServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.site_search_engine_service.client import (
     SiteSearchEngineServiceClient,
 )
-from google.cloud.discoveryengine_v1beta.services.user_event_service.async_client import (
-    UserEventServiceAsyncClient,
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service.async_client import (
+    SiteSearchEngineServiceAsyncClient,
 )
 from google.cloud.discoveryengine_v1beta.services.user_event_service.client import (
     UserEventServiceClient,
 )
+from google.cloud.discoveryengine_v1beta.services.user_event_service.async_client import (
+    UserEventServiceAsyncClient,
+)
+
 from google.cloud.discoveryengine_v1beta.types.answer import Answer
 from google.cloud.discoveryengine_v1beta.types.chunk import Chunk
-from google.cloud.discoveryengine_v1beta.types.common import (
-    CustomAttribute,
-    DoubleList,
-    EmbeddingConfig,
-    IndustryVertical,
-    Interval,
-    SearchAddOn,
-    SearchTier,
-    SearchUseCase,
-    SolutionType,
-    UserInfo,
-)
-from google.cloud.discoveryengine_v1beta.types.completion import (
-    CompletionSuggestion,
-    SuggestionDenyListEntry,
-)
+from google.cloud.discoveryengine_v1beta.types.common import CustomAttribute
+from google.cloud.discoveryengine_v1beta.types.common import DoubleList
+from google.cloud.discoveryengine_v1beta.types.common import EmbeddingConfig
+from google.cloud.discoveryengine_v1beta.types.common import Interval
+from google.cloud.discoveryengine_v1beta.types.common import UserInfo
+from google.cloud.discoveryengine_v1beta.types.common import IndustryVertical
+from google.cloud.discoveryengine_v1beta.types.common import SearchAddOn
+from google.cloud.discoveryengine_v1beta.types.common import SearchTier
+from google.cloud.discoveryengine_v1beta.types.common import SearchUseCase
+from google.cloud.discoveryengine_v1beta.types.common import SolutionType
+from google.cloud.discoveryengine_v1beta.types.completion import CompletionSuggestion
+from google.cloud.discoveryengine_v1beta.types.completion import SuggestionDenyListEntry
 from google.cloud.discoveryengine_v1beta.types.completion_service import (
     AdvancedCompleteQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.completion_service import (
     AdvancedCompleteQueryResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.completion_service import (
     CompleteQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.completion_service import (
     CompleteQueryResponse,
 )
-from google.cloud.discoveryengine_v1beta.types.control import Condition, Control
+from google.cloud.discoveryengine_v1beta.types.control import Condition
+from google.cloud.discoveryengine_v1beta.types.control import Control
 from google.cloud.discoveryengine_v1beta.types.control_service import (
     CreateControlRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.control_service import (
     DeleteControlRequest,
-    GetControlRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.control_service import GetControlRequest
+from google.cloud.discoveryengine_v1beta.types.control_service import (
     ListControlsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.control_service import (
     ListControlsResponse,
-    UpdateControlRequest,
 )
-from google.cloud.discoveryengine_v1beta.types.conversation import (
-    Conversation,
-    ConversationContext,
-    ConversationMessage,
-    Reply,
-    TextInput,
+from google.cloud.discoveryengine_v1beta.types.control_service import (
+    UpdateControlRequest,
 )
+from google.cloud.discoveryengine_v1beta.types.conversation import Conversation
+from google.cloud.discoveryengine_v1beta.types.conversation import ConversationContext
+from google.cloud.discoveryengine_v1beta.types.conversation import ConversationMessage
+from google.cloud.discoveryengine_v1beta.types.conversation import Reply
+from google.cloud.discoveryengine_v1beta.types.conversation import TextInput
 from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     AnswerQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     AnswerQueryResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ConverseConversationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ConverseConversationResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     CreateConversationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     CreateSessionRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     DeleteConversationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     DeleteSessionRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     GetAnswerRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     GetConversationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     GetSessionRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ListConversationsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ListConversationsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ListSessionsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     ListSessionsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     UpdateConversationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.conversational_search_service import (
     UpdateSessionRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.custom_tuning_model import (
     CustomTuningModel,
 )
+from google.cloud.discoveryengine_v1beta.types.data_store import DataStore
+from google.cloud.discoveryengine_v1beta.types.data_store import LanguageInfo
 from google.cloud.discoveryengine_v1beta.types.data_store import (
-    DataStore,
-    LanguageInfo,
     NaturalLanguageQueryUnderstandingConfig,
-    WorkspaceConfig,
 )
+from google.cloud.discoveryengine_v1beta.types.data_store import WorkspaceConfig
 from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     CreateDataStoreMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     CreateDataStoreRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     DeleteDataStoreMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     DeleteDataStoreRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     GetDataStoreRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     ListDataStoresRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     ListDataStoresResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.data_store_service import (
     UpdateDataStoreRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.document import Document
@@ -222,214 +278,401 @@
 )
 from google.cloud.discoveryengine_v1beta.types.document_service import (
     BatchGetDocumentsMetadataRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     BatchGetDocumentsMetadataResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     CreateDocumentRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     DeleteDocumentRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     GetDocumentRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     ListDocumentsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     ListDocumentsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.document_service import (
     UpdateDocumentRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.engine import Engine
 from google.cloud.discoveryengine_v1beta.types.engine_service import (
     CreateEngineMetadata,
-    CreateEngineRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.engine_service import CreateEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import (
     DeleteEngineMetadata,
-    DeleteEngineRequest,
-    GetEngineRequest,
-    ListEnginesRequest,
-    ListEnginesResponse,
-    PauseEngineRequest,
-    ResumeEngineRequest,
-    TuneEngineMetadata,
-    TuneEngineRequest,
-    TuneEngineResponse,
-    UpdateEngineRequest,
-)
-from google.cloud.discoveryengine_v1beta.types.evaluation import (
-    Evaluation,
-    QualityMetrics,
 )
+from google.cloud.discoveryengine_v1beta.types.engine_service import DeleteEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import GetEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import ListEnginesRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import ListEnginesResponse
+from google.cloud.discoveryengine_v1beta.types.engine_service import PauseEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import ResumeEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import TuneEngineMetadata
+from google.cloud.discoveryengine_v1beta.types.engine_service import TuneEngineRequest
+from google.cloud.discoveryengine_v1beta.types.engine_service import TuneEngineResponse
+from google.cloud.discoveryengine_v1beta.types.engine_service import UpdateEngineRequest
+from google.cloud.discoveryengine_v1beta.types.evaluation import Evaluation
+from google.cloud.discoveryengine_v1beta.types.evaluation import QualityMetrics
 from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     CreateEvaluationMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     CreateEvaluationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     GetEvaluationRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     ListEvaluationResultsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     ListEvaluationResultsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     ListEvaluationsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.evaluation_service import (
     ListEvaluationsResponse,
 )
 from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
     CheckGroundingRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
     CheckGroundingResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
     CheckGroundingSpec,
+)
+from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
     GenerateGroundedContentRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
     GenerateGroundedContentResponse,
-    GroundedGenerationContent,
 )
-from google.cloud.discoveryengine_v1beta.types.grounding import (
-    FactChunk,
-    GroundingConfig,
-    GroundingFact,
+from google.cloud.discoveryengine_v1beta.types.grounded_generation_service import (
+    GroundedGenerationContent,
 )
+from google.cloud.discoveryengine_v1beta.types.grounding import FactChunk
+from google.cloud.discoveryengine_v1beta.types.grounding import GroundingConfig
+from google.cloud.discoveryengine_v1beta.types.grounding import GroundingFact
+from google.cloud.discoveryengine_v1beta.types.import_config import AlloyDbSource
+from google.cloud.discoveryengine_v1beta.types.import_config import BigQuerySource
+from google.cloud.discoveryengine_v1beta.types.import_config import BigtableOptions
+from google.cloud.discoveryengine_v1beta.types.import_config import BigtableSource
+from google.cloud.discoveryengine_v1beta.types.import_config import CloudSqlSource
+from google.cloud.discoveryengine_v1beta.types.import_config import FhirStoreSource
+from google.cloud.discoveryengine_v1beta.types.import_config import FirestoreSource
+from google.cloud.discoveryengine_v1beta.types.import_config import GcsSource
 from google.cloud.discoveryengine_v1beta.types.import_config import (
-    AlloyDbSource,
-    BigQuerySource,
-    BigtableOptions,
-    BigtableSource,
-    CloudSqlSource,
-    FhirStoreSource,
-    FirestoreSource,
-    GcsSource,
     ImportCompletionSuggestionsMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportCompletionSuggestionsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportCompletionSuggestionsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportDocumentsMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportDocumentsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportDocumentsResponse,
-    ImportErrorConfig,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import ImportErrorConfig
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSampleQueriesMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSampleQueriesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSampleQueriesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSuggestionDenyListEntriesMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSuggestionDenyListEntriesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportSuggestionDenyListEntriesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportUserEventsMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportUserEventsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.import_config import (
     ImportUserEventsResponse,
-    SpannerSource,
 )
+from google.cloud.discoveryengine_v1beta.types.import_config import SpannerSource
 from google.cloud.discoveryengine_v1beta.types.project import Project
 from google.cloud.discoveryengine_v1beta.types.project_service import (
     ProvisionProjectMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.project_service import (
     ProvisionProjectRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeCompletionSuggestionsMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeCompletionSuggestionsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeCompletionSuggestionsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeDocumentsMetadata,
-    PurgeDocumentsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import PurgeDocumentsRequest
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeDocumentsResponse,
-    PurgeErrorConfig,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import PurgeErrorConfig
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeSuggestionDenyListEntriesMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeSuggestionDenyListEntriesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeSuggestionDenyListEntriesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeUserEventsMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
     PurgeUserEventsRequest,
-    PurgeUserEventsResponse,
 )
-from google.cloud.discoveryengine_v1beta.types.rank_service import (
-    RankingRecord,
-    RankRequest,
-    RankResponse,
+from google.cloud.discoveryengine_v1beta.types.purge_config import (
+    PurgeUserEventsResponse,
 )
+from google.cloud.discoveryengine_v1beta.types.rank_service import RankingRecord
+from google.cloud.discoveryengine_v1beta.types.rank_service import RankRequest
+from google.cloud.discoveryengine_v1beta.types.rank_service import RankResponse
 from google.cloud.discoveryengine_v1beta.types.recommendation_service import (
     RecommendRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.recommendation_service import (
     RecommendResponse,
 )
 from google.cloud.discoveryengine_v1beta.types.sample_query import SampleQuery
 from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     CreateSampleQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     DeleteSampleQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     GetSampleQueryRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     ListSampleQueriesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     ListSampleQueriesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_service import (
     UpdateSampleQueryRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.sample_query_set import SampleQuerySet
 from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     CreateSampleQuerySetRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     DeleteSampleQuerySetRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     GetSampleQuerySetRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     ListSampleQuerySetsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     ListSampleQuerySetsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.sample_query_set_service import (
     UpdateSampleQuerySetRequest,
 )
 from google.cloud.discoveryengine_v1beta.types.schema import Schema
 from google.cloud.discoveryengine_v1beta.types.schema_service import (
     CreateSchemaMetadata,
-    CreateSchemaRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.schema_service import CreateSchemaRequest
+from google.cloud.discoveryengine_v1beta.types.schema_service import (
     DeleteSchemaMetadata,
-    DeleteSchemaRequest,
-    GetSchemaRequest,
-    ListSchemasRequest,
-    ListSchemasResponse,
-    UpdateSchemaMetadata,
-    UpdateSchemaRequest,
 )
-from google.cloud.discoveryengine_v1beta.types.search_service import (
-    SearchRequest,
-    SearchResponse,
+from google.cloud.discoveryengine_v1beta.types.schema_service import DeleteSchemaRequest
+from google.cloud.discoveryengine_v1beta.types.schema_service import GetSchemaRequest
+from google.cloud.discoveryengine_v1beta.types.schema_service import ListSchemasRequest
+from google.cloud.discoveryengine_v1beta.types.schema_service import ListSchemasResponse
+from google.cloud.discoveryengine_v1beta.types.schema_service import (
+    UpdateSchemaMetadata,
 )
+from google.cloud.discoveryengine_v1beta.types.schema_service import UpdateSchemaRequest
+from google.cloud.discoveryengine_v1beta.types.search_service import SearchRequest
+from google.cloud.discoveryengine_v1beta.types.search_service import SearchResponse
 from google.cloud.discoveryengine_v1beta.types.search_tuning_service import (
     ListCustomModelsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.search_tuning_service import (
     ListCustomModelsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.search_tuning_service import (
     TrainCustomModelMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.search_tuning_service import (
     TrainCustomModelRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.search_tuning_service import (
     TrainCustomModelResponse,
 )
 from google.cloud.discoveryengine_v1beta.types.serving_config import ServingConfig
 from google.cloud.discoveryengine_v1beta.types.serving_config_service import (
     GetServingConfigRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.serving_config_service import (
     ListServingConfigsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.serving_config_service import (
     ListServingConfigsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.serving_config_service import (
     UpdateServingConfigRequest,
 )
-from google.cloud.discoveryengine_v1beta.types.session import Query, Session
+from google.cloud.discoveryengine_v1beta.types.session import Query
+from google.cloud.discoveryengine_v1beta.types.session import Session
+from google.cloud.discoveryengine_v1beta.types.site_search_engine import Sitemap
 from google.cloud.discoveryengine_v1beta.types.site_search_engine import (
-    Sitemap,
     SiteSearchEngine,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine import (
     SiteVerificationInfo,
-    TargetSite,
 )
+from google.cloud.discoveryengine_v1beta.types.site_search_engine import TargetSite
 from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchCreateTargetSiteMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchCreateTargetSitesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchCreateTargetSitesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchVerifyTargetSitesMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchVerifyTargetSitesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     BatchVerifyTargetSitesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     CreateSitemapMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     CreateSitemapRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     CreateTargetSiteMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     CreateTargetSiteRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DeleteSitemapMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DeleteSitemapRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DeleteTargetSiteMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DeleteTargetSiteRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DisableAdvancedSiteSearchMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DisableAdvancedSiteSearchRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     DisableAdvancedSiteSearchResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     EnableAdvancedSiteSearchMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     EnableAdvancedSiteSearchRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     EnableAdvancedSiteSearchResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     FetchDomainVerificationStatusRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     FetchDomainVerificationStatusResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     FetchSitemapsRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     FetchSitemapsResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     GetSiteSearchEngineRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     GetTargetSiteRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     ListTargetSitesRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     ListTargetSitesResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     RecrawlUrisMetadata,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     RecrawlUrisRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     RecrawlUrisResponse,
+)
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
     UpdateTargetSiteMetadata,
-    UpdateTargetSiteRequest,
 )
-from google.cloud.discoveryengine_v1beta.types.user_event import (
-    CompletionInfo,
-    DocumentInfo,
-    MediaInfo,
-    PageInfo,
-    PanelInfo,
-    SearchInfo,
-    TransactionInfo,
-    UserEvent,
+from google.cloud.discoveryengine_v1beta.types.site_search_engine_service import (
+    UpdateTargetSiteRequest,
 )
+from google.cloud.discoveryengine_v1beta.types.user_event import CompletionInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import DocumentInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import MediaInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import PageInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import PanelInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import SearchInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import TransactionInfo
+from google.cloud.discoveryengine_v1beta.types.user_event import UserEvent
 from google.cloud.discoveryengine_v1beta.types.user_event_service import (
     CollectUserEventRequest,
+)
+from google.cloud.discoveryengine_v1beta.types.user_event_service import (
     WriteUserEventRequest,
 )
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/gapic_version.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/gapic_version.py
index 6b356a66811e..fd79d4e761b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/gapic_version.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.15.0"  # {x-release-please-version}
+__version__ = "0.4.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/__init__.py
index 178101cff40d..c66b8b0b1b8a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/__init__.py
@@ -18,327 +18,289 @@
 __version__ = package_version.__version__
 
 
-from .services.assistant_service import (
-    AssistantServiceAsyncClient,
-    AssistantServiceClient,
-)
-from .services.cmek_config_service import (
-    CmekConfigServiceAsyncClient,
-    CmekConfigServiceClient,
-)
-from .services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-)
-from .services.control_service import ControlServiceAsyncClient, ControlServiceClient
+from .services.assistant_service import AssistantServiceClient
+from .services.assistant_service import AssistantServiceAsyncClient
+from .services.cmek_config_service import CmekConfigServiceClient
+from .services.cmek_config_service import CmekConfigServiceAsyncClient
+from .services.completion_service import CompletionServiceClient
+from .services.completion_service import CompletionServiceAsyncClient
+from .services.control_service import ControlServiceClient
+from .services.control_service import ControlServiceAsyncClient
+from .services.conversational_search_service import ConversationalSearchServiceClient
 from .services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
-    ConversationalSearchServiceClient,
-)
-from .services.data_store_service import (
-    DataStoreServiceAsyncClient,
-    DataStoreServiceClient,
-)
-from .services.document_service import DocumentServiceAsyncClient, DocumentServiceClient
-from .services.engine_service import EngineServiceAsyncClient, EngineServiceClient
-from .services.grounded_generation_service import (
-    GroundedGenerationServiceAsyncClient,
-    GroundedGenerationServiceClient,
 )
+from .services.data_store_service import DataStoreServiceClient
+from .services.data_store_service import DataStoreServiceAsyncClient
+from .services.document_service import DocumentServiceClient
+from .services.document_service import DocumentServiceAsyncClient
+from .services.engine_service import EngineServiceClient
+from .services.engine_service import EngineServiceAsyncClient
+from .services.grounded_generation_service import GroundedGenerationServiceClient
+from .services.grounded_generation_service import GroundedGenerationServiceAsyncClient
+from .services.identity_mapping_store_service import IdentityMappingStoreServiceClient
 from .services.identity_mapping_store_service import (
     IdentityMappingStoreServiceAsyncClient,
-    IdentityMappingStoreServiceClient,
-)
-from .services.project_service import ProjectServiceAsyncClient, ProjectServiceClient
-from .services.rank_service import RankServiceAsyncClient, RankServiceClient
-from .services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-)
-from .services.schema_service import SchemaServiceAsyncClient, SchemaServiceClient
-from .services.search_service import SearchServiceAsyncClient, SearchServiceClient
-from .services.search_tuning_service import (
-    SearchTuningServiceAsyncClient,
-    SearchTuningServiceClient,
-)
-from .services.serving_config_service import (
-    ServingConfigServiceAsyncClient,
-    ServingConfigServiceClient,
-)
-from .services.session_service import SessionServiceAsyncClient, SessionServiceClient
-from .services.site_search_engine_service import (
-    SiteSearchEngineServiceAsyncClient,
-    SiteSearchEngineServiceClient,
-)
-from .services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
-)
-from .services.user_license_service import (
-    UserLicenseServiceAsyncClient,
-    UserLicenseServiceClient,
 )
+from .services.project_service import ProjectServiceClient
+from .services.project_service import ProjectServiceAsyncClient
+from .services.rank_service import RankServiceClient
+from .services.rank_service import RankServiceAsyncClient
+from .services.recommendation_service import RecommendationServiceClient
+from .services.recommendation_service import RecommendationServiceAsyncClient
+from .services.schema_service import SchemaServiceClient
+from .services.schema_service import SchemaServiceAsyncClient
+from .services.search_service import SearchServiceClient
+from .services.search_service import SearchServiceAsyncClient
+from .services.search_tuning_service import SearchTuningServiceClient
+from .services.search_tuning_service import SearchTuningServiceAsyncClient
+from .services.serving_config_service import ServingConfigServiceClient
+from .services.serving_config_service import ServingConfigServiceAsyncClient
+from .services.session_service import SessionServiceClient
+from .services.session_service import SessionServiceAsyncClient
+from .services.site_search_engine_service import SiteSearchEngineServiceClient
+from .services.site_search_engine_service import SiteSearchEngineServiceAsyncClient
+from .services.user_event_service import UserEventServiceClient
+from .services.user_event_service import UserEventServiceAsyncClient
+from .services.user_license_service import UserLicenseServiceClient
+from .services.user_license_service import UserLicenseServiceAsyncClient
+
 from .types.answer import Answer
-from .types.assist_answer import (
-    AssistAnswer,
-    AssistantContent,
-    AssistantGroundedContent,
-)
+from .types.assist_answer import AssistAnswer
+from .types.assist_answer import AssistantContent
+from .types.assist_answer import AssistantGroundedContent
 from .types.assistant import Assistant
-from .types.assistant_service import (
-    AssistUserMetadata,
-    StreamAssistRequest,
-    StreamAssistResponse,
-)
+from .types.assistant_service import AssistUserMetadata
+from .types.assistant_service import StreamAssistRequest
+from .types.assistant_service import StreamAssistResponse
 from .types.chunk import Chunk
-from .types.cmek_config_service import (
-    CmekConfig,
-    DeleteCmekConfigMetadata,
-    DeleteCmekConfigRequest,
-    GetCmekConfigRequest,
-    ListCmekConfigsRequest,
-    ListCmekConfigsResponse,
-    SingleRegionKey,
-    UpdateCmekConfigMetadata,
-    UpdateCmekConfigRequest,
-)
-from .types.common import (
-    CustomAttribute,
-    DoubleList,
-    HealthcareFhirConfig,
-    IndustryVertical,
-    Interval,
-    Principal,
-    SearchAddOn,
-    SearchLinkPromotion,
-    SearchTier,
-    SearchUseCase,
-    SolutionType,
-    UserInfo,
-)
-from .types.completion import CompletionSuggestion, SuggestionDenyListEntry
-from .types.completion_service import CompleteQueryRequest, CompleteQueryResponse
-from .types.control import Condition, Control
-from .types.control_service import (
-    CreateControlRequest,
-    DeleteControlRequest,
-    GetControlRequest,
-    ListControlsRequest,
-    ListControlsResponse,
-    UpdateControlRequest,
-)
-from .types.conversation import (
-    Conversation,
-    ConversationContext,
-    ConversationMessage,
-    Reply,
-    TextInput,
-)
-from .types.conversational_search_service import (
-    AnswerQueryRequest,
-    AnswerQueryResponse,
-    ConverseConversationRequest,
-    ConverseConversationResponse,
-    CreateConversationRequest,
-    CreateSessionRequest,
-    DeleteConversationRequest,
-    DeleteSessionRequest,
-    GetAnswerRequest,
-    GetConversationRequest,
-    GetSessionRequest,
-    ListConversationsRequest,
-    ListConversationsResponse,
-    ListSessionsRequest,
-    ListSessionsResponse,
-    UpdateConversationRequest,
-    UpdateSessionRequest,
-)
+from .types.cmek_config_service import CmekConfig
+from .types.cmek_config_service import DeleteCmekConfigMetadata
+from .types.cmek_config_service import DeleteCmekConfigRequest
+from .types.cmek_config_service import GetCmekConfigRequest
+from .types.cmek_config_service import ListCmekConfigsRequest
+from .types.cmek_config_service import ListCmekConfigsResponse
+from .types.cmek_config_service import SingleRegionKey
+from .types.cmek_config_service import UpdateCmekConfigMetadata
+from .types.cmek_config_service import UpdateCmekConfigRequest
+from .types.common import CustomAttribute
+from .types.common import DoubleList
+from .types.common import HealthcareFhirConfig
+from .types.common import Interval
+from .types.common import Principal
+from .types.common import SearchLinkPromotion
+from .types.common import UserInfo
+from .types.common import IndustryVertical
+from .types.common import SearchAddOn
+from .types.common import SearchTier
+from .types.common import SearchUseCase
+from .types.common import SolutionType
+from .types.completion import CompletionSuggestion
+from .types.completion import SuggestionDenyListEntry
+from .types.completion_service import CompleteQueryRequest
+from .types.completion_service import CompleteQueryResponse
+from .types.control import Condition
+from .types.control import Control
+from .types.control_service import CreateControlRequest
+from .types.control_service import DeleteControlRequest
+from .types.control_service import GetControlRequest
+from .types.control_service import ListControlsRequest
+from .types.control_service import ListControlsResponse
+from .types.control_service import UpdateControlRequest
+from .types.conversation import Conversation
+from .types.conversation import ConversationContext
+from .types.conversation import ConversationMessage
+from .types.conversation import Reply
+from .types.conversation import TextInput
+from .types.conversational_search_service import AnswerQueryRequest
+from .types.conversational_search_service import AnswerQueryResponse
+from .types.conversational_search_service import ConverseConversationRequest
+from .types.conversational_search_service import ConverseConversationResponse
+from .types.conversational_search_service import CreateConversationRequest
+from .types.conversational_search_service import CreateSessionRequest
+from .types.conversational_search_service import DeleteConversationRequest
+from .types.conversational_search_service import DeleteSessionRequest
+from .types.conversational_search_service import GetAnswerRequest
+from .types.conversational_search_service import GetConversationRequest
+from .types.conversational_search_service import GetSessionRequest
+from .types.conversational_search_service import ListConversationsRequest
+from .types.conversational_search_service import ListConversationsResponse
+from .types.conversational_search_service import ListSessionsRequest
+from .types.conversational_search_service import ListSessionsResponse
+from .types.conversational_search_service import UpdateConversationRequest
+from .types.conversational_search_service import UpdateSessionRequest
 from .types.custom_tuning_model import CustomTuningModel
-from .types.data_store import AdvancedSiteSearchConfig, DataStore, WorkspaceConfig
-from .types.data_store_service import (
-    CreateDataStoreMetadata,
-    CreateDataStoreRequest,
-    DeleteDataStoreMetadata,
-    DeleteDataStoreRequest,
-    GetDataStoreRequest,
-    ListDataStoresRequest,
-    ListDataStoresResponse,
-    UpdateDataStoreRequest,
-)
+from .types.data_store import AdvancedSiteSearchConfig
+from .types.data_store import DataStore
+from .types.data_store import WorkspaceConfig
+from .types.data_store_service import CreateDataStoreMetadata
+from .types.data_store_service import CreateDataStoreRequest
+from .types.data_store_service import DeleteDataStoreMetadata
+from .types.data_store_service import DeleteDataStoreRequest
+from .types.data_store_service import GetDataStoreRequest
+from .types.data_store_service import ListDataStoresRequest
+from .types.data_store_service import ListDataStoresResponse
+from .types.data_store_service import UpdateDataStoreRequest
 from .types.document import Document
 from .types.document_processing_config import DocumentProcessingConfig
-from .types.document_service import (
-    BatchGetDocumentsMetadataRequest,
-    BatchGetDocumentsMetadataResponse,
-    CreateDocumentRequest,
-    DeleteDocumentRequest,
-    GetDocumentRequest,
-    ListDocumentsRequest,
-    ListDocumentsResponse,
-    UpdateDocumentRequest,
-)
+from .types.document_service import BatchGetDocumentsMetadataRequest
+from .types.document_service import BatchGetDocumentsMetadataResponse
+from .types.document_service import CreateDocumentRequest
+from .types.document_service import DeleteDocumentRequest
+from .types.document_service import GetDocumentRequest
+from .types.document_service import ListDocumentsRequest
+from .types.document_service import ListDocumentsResponse
+from .types.document_service import UpdateDocumentRequest
 from .types.engine import Engine
-from .types.engine_service import (
-    CreateEngineMetadata,
-    CreateEngineRequest,
-    DeleteEngineMetadata,
-    DeleteEngineRequest,
-    GetEngineRequest,
-    ListEnginesRequest,
-    ListEnginesResponse,
-    UpdateEngineRequest,
-)
-from .types.grounded_generation_service import (
-    CheckGroundingRequest,
-    CheckGroundingResponse,
-    CheckGroundingSpec,
-    GenerateGroundedContentRequest,
-    GenerateGroundedContentResponse,
-    GroundedGenerationContent,
-)
-from .types.grounding import FactChunk, GroundingFact
-from .types.identity_mapping_store import IdentityMappingEntry, IdentityMappingStore
-from .types.identity_mapping_store_service import (
-    CreateIdentityMappingStoreRequest,
-    DeleteIdentityMappingStoreMetadata,
-    DeleteIdentityMappingStoreRequest,
-    GetIdentityMappingStoreRequest,
-    IdentityMappingEntryOperationMetadata,
-    ImportIdentityMappingsRequest,
-    ImportIdentityMappingsResponse,
-    ListIdentityMappingsRequest,
-    ListIdentityMappingsResponse,
-    ListIdentityMappingStoresRequest,
-    ListIdentityMappingStoresResponse,
-    PurgeIdentityMappingsRequest,
-)
-from .types.import_config import (
-    AlloyDbSource,
-    BigQuerySource,
-    BigtableOptions,
-    BigtableSource,
-    CloudSqlSource,
-    FhirStoreSource,
-    FirestoreSource,
-    GcsSource,
-    ImportCompletionSuggestionsMetadata,
-    ImportCompletionSuggestionsRequest,
-    ImportCompletionSuggestionsResponse,
-    ImportDocumentsMetadata,
-    ImportDocumentsRequest,
-    ImportDocumentsResponse,
-    ImportErrorConfig,
-    ImportSuggestionDenyListEntriesMetadata,
-    ImportSuggestionDenyListEntriesRequest,
-    ImportSuggestionDenyListEntriesResponse,
-    ImportUserEventsMetadata,
-    ImportUserEventsRequest,
-    ImportUserEventsResponse,
-    SpannerSource,
-)
+from .types.engine_service import CreateEngineMetadata
+from .types.engine_service import CreateEngineRequest
+from .types.engine_service import DeleteEngineMetadata
+from .types.engine_service import DeleteEngineRequest
+from .types.engine_service import GetEngineRequest
+from .types.engine_service import ListEnginesRequest
+from .types.engine_service import ListEnginesResponse
+from .types.engine_service import UpdateEngineRequest
+from .types.grounded_generation_service import CheckGroundingRequest
+from .types.grounded_generation_service import CheckGroundingResponse
+from .types.grounded_generation_service import CheckGroundingSpec
+from .types.grounded_generation_service import GenerateGroundedContentRequest
+from .types.grounded_generation_service import GenerateGroundedContentResponse
+from .types.grounded_generation_service import GroundedGenerationContent
+from .types.grounding import FactChunk
+from .types.grounding import GroundingFact
+from .types.identity_mapping_store import IdentityMappingEntry
+from .types.identity_mapping_store import IdentityMappingStore
+from .types.identity_mapping_store_service import CreateIdentityMappingStoreRequest
+from .types.identity_mapping_store_service import DeleteIdentityMappingStoreMetadata
+from .types.identity_mapping_store_service import DeleteIdentityMappingStoreRequest
+from .types.identity_mapping_store_service import GetIdentityMappingStoreRequest
+from .types.identity_mapping_store_service import IdentityMappingEntryOperationMetadata
+from .types.identity_mapping_store_service import ImportIdentityMappingsRequest
+from .types.identity_mapping_store_service import ImportIdentityMappingsResponse
+from .types.identity_mapping_store_service import ListIdentityMappingsRequest
+from .types.identity_mapping_store_service import ListIdentityMappingsResponse
+from .types.identity_mapping_store_service import ListIdentityMappingStoresRequest
+from .types.identity_mapping_store_service import ListIdentityMappingStoresResponse
+from .types.identity_mapping_store_service import PurgeIdentityMappingsRequest
+from .types.import_config import AlloyDbSource
+from .types.import_config import BigQuerySource
+from .types.import_config import BigtableOptions
+from .types.import_config import BigtableSource
+from .types.import_config import CloudSqlSource
+from .types.import_config import FhirStoreSource
+from .types.import_config import FirestoreSource
+from .types.import_config import GcsSource
+from .types.import_config import ImportCompletionSuggestionsMetadata
+from .types.import_config import ImportCompletionSuggestionsRequest
+from .types.import_config import ImportCompletionSuggestionsResponse
+from .types.import_config import ImportDocumentsMetadata
+from .types.import_config import ImportDocumentsRequest
+from .types.import_config import ImportDocumentsResponse
+from .types.import_config import ImportErrorConfig
+from .types.import_config import ImportSuggestionDenyListEntriesMetadata
+from .types.import_config import ImportSuggestionDenyListEntriesRequest
+from .types.import_config import ImportSuggestionDenyListEntriesResponse
+from .types.import_config import ImportUserEventsMetadata
+from .types.import_config import ImportUserEventsRequest
+from .types.import_config import ImportUserEventsResponse
+from .types.import_config import SpannerSource
 from .types.project import Project
-from .types.project_service import ProvisionProjectMetadata, ProvisionProjectRequest
-from .types.purge_config import (
-    PurgeCompletionSuggestionsMetadata,
-    PurgeCompletionSuggestionsRequest,
-    PurgeCompletionSuggestionsResponse,
-    PurgeDocumentsMetadata,
-    PurgeDocumentsRequest,
-    PurgeDocumentsResponse,
-    PurgeErrorConfig,
-    PurgeSuggestionDenyListEntriesMetadata,
-    PurgeSuggestionDenyListEntriesRequest,
-    PurgeSuggestionDenyListEntriesResponse,
-    PurgeUserEventsMetadata,
-    PurgeUserEventsRequest,
-    PurgeUserEventsResponse,
-)
-from .types.rank_service import RankingRecord, RankRequest, RankResponse
-from .types.recommendation_service import RecommendRequest, RecommendResponse
-from .types.safety import HarmCategory, SafetyRating
+from .types.project_service import ProvisionProjectMetadata
+from .types.project_service import ProvisionProjectRequest
+from .types.purge_config import PurgeCompletionSuggestionsMetadata
+from .types.purge_config import PurgeCompletionSuggestionsRequest
+from .types.purge_config import PurgeCompletionSuggestionsResponse
+from .types.purge_config import PurgeDocumentsMetadata
+from .types.purge_config import PurgeDocumentsRequest
+from .types.purge_config import PurgeDocumentsResponse
+from .types.purge_config import PurgeErrorConfig
+from .types.purge_config import PurgeSuggestionDenyListEntriesMetadata
+from .types.purge_config import PurgeSuggestionDenyListEntriesRequest
+from .types.purge_config import PurgeSuggestionDenyListEntriesResponse
+from .types.purge_config import PurgeUserEventsMetadata
+from .types.purge_config import PurgeUserEventsRequest
+from .types.purge_config import PurgeUserEventsResponse
+from .types.rank_service import RankingRecord
+from .types.rank_service import RankRequest
+from .types.rank_service import RankResponse
+from .types.recommendation_service import RecommendRequest
+from .types.recommendation_service import RecommendResponse
+from .types.safety import SafetyRating
+from .types.safety import HarmCategory
 from .types.schema import Schema
-from .types.schema_service import (
-    CreateSchemaMetadata,
-    CreateSchemaRequest,
-    DeleteSchemaMetadata,
-    DeleteSchemaRequest,
-    GetSchemaRequest,
-    ListSchemasRequest,
-    ListSchemasResponse,
-    UpdateSchemaMetadata,
-    UpdateSchemaRequest,
-)
-from .types.search_service import SearchRequest, SearchResponse
-from .types.search_tuning_service import (
-    ListCustomModelsRequest,
-    ListCustomModelsResponse,
-    TrainCustomModelMetadata,
-    TrainCustomModelRequest,
-    TrainCustomModelResponse,
-)
+from .types.schema_service import CreateSchemaMetadata
+from .types.schema_service import CreateSchemaRequest
+from .types.schema_service import DeleteSchemaMetadata
+from .types.schema_service import DeleteSchemaRequest
+from .types.schema_service import GetSchemaRequest
+from .types.schema_service import ListSchemasRequest
+from .types.schema_service import ListSchemasResponse
+from .types.schema_service import UpdateSchemaMetadata
+from .types.schema_service import UpdateSchemaRequest
+from .types.search_service import SearchRequest
+from .types.search_service import SearchResponse
+from .types.search_tuning_service import ListCustomModelsRequest
+from .types.search_tuning_service import ListCustomModelsResponse
+from .types.search_tuning_service import TrainCustomModelMetadata
+from .types.search_tuning_service import TrainCustomModelRequest
+from .types.search_tuning_service import TrainCustomModelResponse
 from .types.serving_config import ServingConfig
 from .types.serving_config_service import UpdateServingConfigRequest
-from .types.session import Query, Session
-from .types.site_search_engine import (
-    Sitemap,
-    SiteSearchEngine,
-    SiteVerificationInfo,
-    TargetSite,
-)
-from .types.site_search_engine_service import (
-    BatchCreateTargetSiteMetadata,
-    BatchCreateTargetSitesRequest,
-    BatchCreateTargetSitesResponse,
-    BatchVerifyTargetSitesMetadata,
-    BatchVerifyTargetSitesRequest,
-    BatchVerifyTargetSitesResponse,
-    CreateSitemapMetadata,
-    CreateSitemapRequest,
-    CreateTargetSiteMetadata,
-    CreateTargetSiteRequest,
-    DeleteSitemapMetadata,
-    DeleteSitemapRequest,
-    DeleteTargetSiteMetadata,
-    DeleteTargetSiteRequest,
-    DisableAdvancedSiteSearchMetadata,
-    DisableAdvancedSiteSearchRequest,
-    DisableAdvancedSiteSearchResponse,
-    EnableAdvancedSiteSearchMetadata,
-    EnableAdvancedSiteSearchRequest,
-    EnableAdvancedSiteSearchResponse,
-    FetchDomainVerificationStatusRequest,
-    FetchDomainVerificationStatusResponse,
-    FetchSitemapsRequest,
-    FetchSitemapsResponse,
-    GetSiteSearchEngineRequest,
-    GetTargetSiteRequest,
-    ListTargetSitesRequest,
-    ListTargetSitesResponse,
-    RecrawlUrisMetadata,
-    RecrawlUrisRequest,
-    RecrawlUrisResponse,
-    UpdateTargetSiteMetadata,
-    UpdateTargetSiteRequest,
-)
-from .types.user_event import (
-    CompletionInfo,
-    DocumentInfo,
-    MediaInfo,
-    PageInfo,
-    PanelInfo,
-    SearchInfo,
-    TransactionInfo,
-    UserEvent,
-)
-from .types.user_event_service import CollectUserEventRequest, WriteUserEventRequest
+from .types.session import Query
+from .types.session import Session
+from .types.site_search_engine import Sitemap
+from .types.site_search_engine import SiteSearchEngine
+from .types.site_search_engine import SiteVerificationInfo
+from .types.site_search_engine import TargetSite
+from .types.site_search_engine_service import BatchCreateTargetSiteMetadata
+from .types.site_search_engine_service import BatchCreateTargetSitesRequest
+from .types.site_search_engine_service import BatchCreateTargetSitesResponse
+from .types.site_search_engine_service import BatchVerifyTargetSitesMetadata
+from .types.site_search_engine_service import BatchVerifyTargetSitesRequest
+from .types.site_search_engine_service import BatchVerifyTargetSitesResponse
+from .types.site_search_engine_service import CreateSitemapMetadata
+from .types.site_search_engine_service import CreateSitemapRequest
+from .types.site_search_engine_service import CreateTargetSiteMetadata
+from .types.site_search_engine_service import CreateTargetSiteRequest
+from .types.site_search_engine_service import DeleteSitemapMetadata
+from .types.site_search_engine_service import DeleteSitemapRequest
+from .types.site_search_engine_service import DeleteTargetSiteMetadata
+from .types.site_search_engine_service import DeleteTargetSiteRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import DisableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import EnableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import EnableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import EnableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import FetchDomainVerificationStatusRequest
+from .types.site_search_engine_service import FetchDomainVerificationStatusResponse
+from .types.site_search_engine_service import FetchSitemapsRequest
+from .types.site_search_engine_service import FetchSitemapsResponse
+from .types.site_search_engine_service import GetSiteSearchEngineRequest
+from .types.site_search_engine_service import GetTargetSiteRequest
+from .types.site_search_engine_service import ListTargetSitesRequest
+from .types.site_search_engine_service import ListTargetSitesResponse
+from .types.site_search_engine_service import RecrawlUrisMetadata
+from .types.site_search_engine_service import RecrawlUrisRequest
+from .types.site_search_engine_service import RecrawlUrisResponse
+from .types.site_search_engine_service import UpdateTargetSiteMetadata
+from .types.site_search_engine_service import UpdateTargetSiteRequest
+from .types.user_event import CompletionInfo
+from .types.user_event import DocumentInfo
+from .types.user_event import MediaInfo
+from .types.user_event import PageInfo
+from .types.user_event import PanelInfo
+from .types.user_event import SearchInfo
+from .types.user_event import TransactionInfo
+from .types.user_event import UserEvent
+from .types.user_event_service import CollectUserEventRequest
+from .types.user_event_service import WriteUserEventRequest
 from .types.user_license import UserLicense
-from .types.user_license_service import (
-    BatchUpdateUserLicensesMetadata,
-    BatchUpdateUserLicensesRequest,
-    BatchUpdateUserLicensesResponse,
-    ListUserLicensesRequest,
-    ListUserLicensesResponse,
-)
+from .types.user_license_service import BatchUpdateUserLicensesMetadata
+from .types.user_license_service import BatchUpdateUserLicensesRequest
+from .types.user_license_service import BatchUpdateUserLicensesResponse
+from .types.user_license_service import ListUserLicensesRequest
+from .types.user_license_service import ListUserLicensesResponse
 
 __all__ = (
     "AssistantServiceAsyncClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_version.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_version.py
index 6b356a66811e..fd79d4e761b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_version.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.15.0"  # {x-release-please-version}
+__version__ = "0.4.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/__init__.py
index 61e8f333fb58..1ca07e3a5a45 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import AssistantServiceAsyncClient
 from .client import AssistantServiceClient
+from .async_client import AssistantServiceAsyncClient
 
 __all__ = (
     "AssistantServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/async_client.py
index 53976232bc61..446cf3e907e7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/async_client.py
@@ -13,47 +13,47 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    AsyncIterable,
-    Awaitable,
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    AsyncIterable,
+    Awaitable,
     Sequence,
     Tuple,
     Type,
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import assist_answer
+from google.cloud.discoveryengine_v1.types import assistant_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import assist_answer, assistant_service
-
-from .client import AssistantServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, AssistantServiceTransport
+from .transports.base import AssistantServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import AssistantServiceGrpcAsyncIOTransport
+from .client import AssistantServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -129,7 +129,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             AssistantServiceAsyncClient: The constructed client.
         """
-        return AssistantServiceClient.from_service_account_info.__func__(AssistantServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return AssistantServiceClient.from_service_account_info.__func__(
+            AssistantServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -145,7 +147,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             AssistantServiceAsyncClient: The constructed client.
         """
-        return AssistantServiceClient.from_service_account_file.__func__(AssistantServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return AssistantServiceClient.from_service_account_file.__func__(
+            AssistantServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/client.py
index be979d2572c3..db577f001e96 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/client.py
@@ -20,13 +20,13 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
-    Iterable,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    Iterable,
     Sequence,
     Tuple,
     Type,
@@ -35,19 +35,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -62,12 +62,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1.types import assist_answer
+from google.cloud.discoveryengine_v1.types import assistant_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import assist_answer, assistant_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, AssistantServiceTransport
+from .transports.base import AssistantServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import AssistantServiceGrpcTransport
 from .transports.grpc_asyncio import AssistantServiceGrpcAsyncIOTransport
 from .transports.rest import AssistantServiceRestTransport
@@ -81,9 +80,7 @@ class AssistantServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[AssistantServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[AssistantServiceTransport]]
     _transport_registry["grpc"] = AssistantServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = AssistantServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = AssistantServiceRestTransport
@@ -713,11 +710,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = AssistantServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            AssistantServiceClient._read_environment_variables()
+        )
         self._client_cert_source = AssistantServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -752,8 +747,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(AssistantServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/__init__.py
index 090a905984ae..6df23173990e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import AssistantServiceTransport
 from .grpc import AssistantServiceGrpcTransport
 from .grpc_asyncio import AssistantServiceGrpcAsyncIOTransport
-from .rest import AssistantServiceRestInterceptor, AssistantServiceRestTransport
+from .rest import AssistantServiceRestTransport
+from .rest import AssistantServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[AssistantServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/base.py
index 31a7cf2f8929..aab9ffe2e8b3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import assistant_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -211,7 +212,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc.py
index c4694cb3571e..ef82bde486a7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import assistant_service
-
-from .base import DEFAULT_CLIENT_INFO, AssistantServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import AssistantServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc_asyncio.py
index b356fdf333fa..a5607e0c2d53 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import assistant_service
-
-from .base import DEFAULT_CLIENT_INFO, AssistantServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import AssistantServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import AssistantServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest.py
index 49ba60e14f26..44e13dce9864 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import assistant_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseAssistantServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -516,9 +522,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseAssistantServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseAssistantServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -778,9 +782,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseAssistantServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseAssistantServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseAssistantServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest_base.py
index df20db51d6a2..9420ca3e3f51 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import AssistantServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import assistant_service
-
-from .base import DEFAULT_CLIENT_INFO, AssistantServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseAssistantServiceRestTransport(AssistantServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/__init__.py
index 863e84cf9d00..51fc80582075 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import CmekConfigServiceAsyncClient
 from .client import CmekConfigServiceClient
+from .async_client import CmekConfigServiceAsyncClient
 
 __all__ = (
     "CmekConfigServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/async_client.py
index a5e23bae15a0..ced8fdf79ac0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,15 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import cmek_config_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import cmek_config_service
-
-from .client import CmekConfigServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, CmekConfigServiceTransport
+from .transports.base import CmekConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import CmekConfigServiceGrpcAsyncIOTransport
+from .client import CmekConfigServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +131,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             CmekConfigServiceAsyncClient: The constructed client.
         """
-        return CmekConfigServiceClient.from_service_account_info.__func__(CmekConfigServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return CmekConfigServiceClient.from_service_account_info.__func__(
+            CmekConfigServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +149,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             CmekConfigServiceAsyncClient: The constructed client.
         """
-        return CmekConfigServiceClient.from_service_account_file.__func__(CmekConfigServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return CmekConfigServiceClient.from_service_account_file.__func__(
+            CmekConfigServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/client.py
index aa8828198418..2d5890ee1601 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,13 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import cmek_config_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import cmek_config_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, CmekConfigServiceTransport
+from .transports.base import CmekConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import CmekConfigServiceGrpcTransport
 from .transports.grpc_asyncio import CmekConfigServiceGrpcAsyncIOTransport
 from .transports.rest import CmekConfigServiceRestTransport
@@ -83,9 +81,7 @@ class CmekConfigServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[CmekConfigServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[CmekConfigServiceTransport]]
     _transport_registry["grpc"] = CmekConfigServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = CmekConfigServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = CmekConfigServiceRestTransport
@@ -675,11 +671,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = CmekConfigServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            CmekConfigServiceClient._read_environment_variables()
+        )
         self._client_cert_source = CmekConfigServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -714,8 +708,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(CmekConfigServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/__init__.py
index 66bc7b16ebf0..805d19299df4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import CmekConfigServiceTransport
 from .grpc import CmekConfigServiceGrpcTransport
 from .grpc_asyncio import CmekConfigServiceGrpcAsyncIOTransport
-from .rest import CmekConfigServiceRestInterceptor, CmekConfigServiceRestTransport
+from .rest import CmekConfigServiceRestTransport
+from .rest import CmekConfigServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[CmekConfigServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/base.py
index bf56c1dc0d97..b4acca5ed876 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -251,7 +253,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc.py
index a51541d73d1b..158abfeeaa28 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import cmek_config_service
-
-from .base import DEFAULT_CLIENT_INFO, CmekConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CmekConfigServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc_asyncio.py
index 2e31add97da0..ec7cc049443e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import cmek_config_service
-
-from .base import DEFAULT_CLIENT_INFO, CmekConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CmekConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import CmekConfigServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest.py
index 43ffa1c6f925..feb3648e49ba 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseCmekConfigServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -715,9 +722,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseDeleteCmekConfig._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseDeleteCmekConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_cmek_config(
                 request, metadata
@@ -863,9 +868,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseGetCmekConfig._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseGetCmekConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_get_cmek_config(request, metadata)
             transcoded_request = _BaseCmekConfigServiceRestTransport._BaseGetCmekConfig._get_transcoded_request(
@@ -1013,9 +1016,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseListCmekConfigs._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseListCmekConfigs._get_http_options()
 
             request, metadata = self._interceptor.pre_list_cmek_configs(
                 request, metadata
@@ -1167,9 +1168,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseUpdateCmekConfig._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseUpdateCmekConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_cmek_config(
                 request, metadata
@@ -1359,9 +1358,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1481,9 +1478,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseCmekConfigServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1622,9 +1617,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseCmekConfigServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseCmekConfigServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseCmekConfigServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest_base.py
index 6c9861b2399a..30b332c3f7b8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/cmek_config_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import CmekConfigServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import cmek_config_service
-
-from .base import DEFAULT_CLIENT_INFO, CmekConfigServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseCmekConfigServiceRestTransport(CmekConfigServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/__init__.py
index 58eb7a9f0042..480b61be40da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import CompletionServiceAsyncClient
 from .client import CompletionServiceClient
+from .async_client import CompletionServiceAsyncClient
 
 __all__ = (
     "CompletionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/async_client.py
index 31704e8c8267..3afa6da883bd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,18 +47,14 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .client import CompletionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
+from .client import CompletionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -121,7 +118,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_info.__func__(CompletionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_info.__func__(
+            CompletionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -137,7 +136,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_file.__func__(CompletionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_file.__func__(
+            CompletionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/client.py
index 142e6da0e1a7..67edaf059e54 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,16 +63,12 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import CompletionServiceGrpcTransport
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
 from .transports.rest import CompletionServiceRestTransport
@@ -86,9 +82,7 @@ class CompletionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[CompletionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
     _transport_registry["grpc"] = CompletionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = CompletionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = CompletionServiceRestTransport
@@ -614,11 +608,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = CompletionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            CompletionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = CompletionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -653,8 +645,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(CompletionServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/__init__.py
index 20f1ed5f3637..7177c73e997f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import CompletionServiceTransport
 from .grpc import CompletionServiceGrpcTransport
 from .grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
-from .rest import CompletionServiceRestInterceptor, CompletionServiceRestTransport
+from .rest import CompletionServiceRestTransport
+from .rest import CompletionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/base.py
index 6f8d8a682797..8ee3c58131a9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/base.py
@@ -16,23 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -267,7 +267,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc.py
index 0901a44674cb..530af8d8b263 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc.py
@@ -16,27 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -398,12 +398,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -431,12 +431,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -463,12 +463,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -495,12 +495,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc_asyncio.py
index 7ac71da82875..28497bfb7985 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/grpc_asyncio.py
@@ -15,31 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import CompletionServiceGrpcTransport
 
 try:
@@ -407,12 +407,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -441,12 +441,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -474,12 +474,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -507,12 +507,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest.py
index 828892b07ea0..26c4b760542a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest.py
@@ -13,31 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseCompletionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -775,9 +780,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_complete_query(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_transcoded_request(
@@ -929,9 +932,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_import_completion_suggestions(
                 request, metadata
@@ -998,11 +999,10 @@ def __call__(
 
             resp = self._interceptor.post_import_completion_suggestions(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_completion_suggestions_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_completion_suggestions_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1091,15 +1091,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_import_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_import_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1163,11 +1160,10 @@ def __call__(
 
             resp = self._interceptor.post_import_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1254,9 +1250,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_completion_suggestions(
                 request, metadata
@@ -1411,15 +1405,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_purge_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_purge_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1483,11 +1474,10 @@ def __call__(
 
             resp = self._interceptor.post_purge_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1531,7 +1521,9 @@ def import_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def import_suggestion_deny_list_entries(
@@ -1541,7 +1533,9 @@ def import_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_completion_suggestions(
@@ -1551,7 +1545,9 @@ def purge_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_suggestion_deny_list_entries(
@@ -1561,7 +1557,9 @@ def purge_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -1619,9 +1617,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1741,9 +1737,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1882,9 +1876,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest_base.py
index b2545baa2a4a..69b32c1a9a14 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/completion_service/transports/rest_base.py
@@ -14,21 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseCompletionServiceRestTransport(CompletionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/__init__.py
index d5bd8f14f952..b0aec3b84b78 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ControlServiceAsyncClient
 from .client import ControlServiceClient
+from .async_client import ControlServiceAsyncClient
 
 __all__ = (
     "ControlServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/async_client.py
index 6d551e10468e..0cde2c21be70 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,34 +29,33 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.control_service import pagers
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
-
-from .client import ControlServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
+from .client import ControlServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_info.__func__(ControlServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_info.__func__(
+            ControlServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_file.__func__(ControlServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_file.__func__(
+            ControlServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -619,8 +622,8 @@ async def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1.Control] to
                 update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/client.py
index effeb8344b29..405e0fb2ba1c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,17 +61,15 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.control_service import pagers
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ControlServiceGrpcTransport
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
 from .transports.rest import ControlServiceRestTransport
@@ -85,9 +83,7 @@ class ControlServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ControlServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
     _transport_registry["grpc"] = ControlServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ControlServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ControlServiceRestTransport
@@ -663,11 +659,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ControlServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ControlServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ControlServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -702,8 +696,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ControlServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1082,8 +1075,8 @@ def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1.Control] to
                 update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/pagers.py
index 25df6ee7edfc..d5f41faf8f7d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import control, control_service
+from google.cloud.discoveryengine_v1.types import control
+from google.cloud.discoveryengine_v1.types import control_service
 
 
 class ListControlsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/__init__.py
index 3e0b9c56088b..4c3c6cfd5dbb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ControlServiceTransport
 from .grpc import ControlServiceGrpcTransport
 from .grpc_asyncio import ControlServiceGrpcAsyncIOTransport
-from .rest import ControlServiceRestInterceptor, ControlServiceRestTransport
+from .rest import ControlServiceRestTransport
+from .rest import ControlServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/base.py
index ab04ccdaa6be..00591f78678a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/base.py
@@ -16,22 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +262,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc.py
index feee03b815e0..4f302e507630 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc.py
@@ -16,26 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc_asyncio.py
index d1cd6f7eca62..a21819c87b10 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/grpc_asyncio.py
@@ -15,30 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ControlServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest.py
index a25262b30968..d000fa7fccff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest.py
@@ -13,30 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseControlServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1295,9 +1301,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest_base.py
index f8b4a388e297..6e625924cb99 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/control_service/transports/rest_base.py
@@ -14,20 +14,22 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseControlServiceRestTransport(ControlServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/__init__.py
index 733efd06389f..504962bdc81a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ConversationalSearchServiceAsyncClient
 from .client import ConversationalSearchServiceClient
+from .async_client import ConversationalSearchServiceAsyncClient
 
 __all__ = (
     "ConversationalSearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/async_client.py
index f52112df7f9f..4a24e35d37aa 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/async_client.py
@@ -13,61 +13,58 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    AsyncIterable,
-    Awaitable,
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    AsyncIterable,
+    Awaitable,
     Sequence,
     Tuple,
     Type,
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1.types import (
-    conversational_search_service,
-    safety,
-    search_service,
-)
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import safety
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .client import ConversationalSearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
+from .client import ConversationalSearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -173,7 +170,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_info.__func__(ConversationalSearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_info.__func__(
+            ConversationalSearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -189,7 +188,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_file.__func__(ConversationalSearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_file.__func__(
+            ConversationalSearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -227,7 +228,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ConversationalSearchServiceTransport:
@@ -776,7 +779,7 @@ async def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -1690,7 +1693,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1.Session] to
                 update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/client.py
index 16de9ed07c2a..08cda78e7b1e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/client.py
@@ -20,13 +20,13 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
-    Iterable,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    Iterable,
     Sequence,
     Tuple,
     Type,
@@ -35,19 +35,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -62,26 +62,22 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1.types import (
-    conversational_search_service,
-    safety,
-    search_service,
-)
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import safety
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ConversationalSearchServiceGrpcTransport
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
 from .transports.rest import ConversationalSearchServiceRestTransport
@@ -95,13 +91,11 @@ class ConversationalSearchServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
     _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
-    _transport_registry[
-        "grpc_asyncio"
-    ] = ConversationalSearchServiceGrpcAsyncIOTransport
+    _transport_registry["grpc_asyncio"] = (
+        ConversationalSearchServiceGrpcAsyncIOTransport
+    )
     _transport_registry["rest"] = ConversationalSearchServiceRestTransport
 
     def get_transport_class(
@@ -809,11 +803,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ConversationalSearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ConversationalSearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             ConversationalSearchServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -850,8 +842,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ConversationalSearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1338,7 +1329,7 @@ def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -2230,7 +2221,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1.Session] to
                 update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/pagers.py
index 896deb696acc..31f7892ff7e2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,11 +37,9 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    conversation,
-    conversational_search_service,
-    session,
-)
+from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import session
 
 
 class ListConversationsPager:
@@ -71,7 +68,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -151,7 +148,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -233,7 +230,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -311,7 +308,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/__init__.py
index 855e35aad0c0..88c3053fe65f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import ConversationalSearchServiceTransport
 from .grpc import ConversationalSearchServiceGrpcTransport
 from .grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
-from .rest import (
-    ConversationalSearchServiceRestInterceptor,
-    ConversationalSearchServiceRestTransport,
-)
+from .rest import ConversationalSearchServiceRestTransport
+from .rest import ConversationalSearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
 _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ConversationalSearchServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ConversationalSearchServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/base.py
index 3bdef53e836d..b3ca423d7134 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/base.py
@@ -16,25 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -402,7 +403,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc.py
index 87669a1bde2d..e055df1eebfa 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc.py
@@ -16,29 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc_asyncio.py
index 5b47516e8e9e..c7a1165ce75a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/grpc_asyncio.py
@@ -15,33 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ConversationalSearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest.py
index ea6e8130b173..ebb83b65aa97 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest.py
@@ -13,33 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseConversationalSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1036,9 +1042,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_answer_query(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_transcoded_request(
@@ -1198,9 +1202,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_converse_conversation(
                 request, metadata
@@ -1358,9 +1360,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_create_conversation(
                 request, metadata
@@ -1511,9 +1511,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_create_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_transcoded_request(
@@ -1660,9 +1658,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_conversation(
                 request, metadata
@@ -1769,9 +1765,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_transcoded_request(
@@ -1882,9 +1876,7 @@ def __call__(
                     Defines an answer.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
 
             request, metadata = self._interceptor.pre_get_answer(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_transcoded_request(
@@ -2031,9 +2023,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_conversation(
                 request, metadata
@@ -2180,9 +2170,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
 
             request, metadata = self._interceptor.pre_get_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_transcoded_request(
@@ -2329,9 +2317,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_conversations(
                 request, metadata
@@ -2480,9 +2466,7 @@ def __call__(
                     Response for ListSessions method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sessions(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_transcoded_request(
@@ -2638,9 +2622,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseStreamAnswerQuery._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseStreamAnswerQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_stream_answer_query(
                 request, metadata
@@ -2788,9 +2770,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_update_conversation(
                 request, metadata
@@ -2941,9 +2921,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_update_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_transcoded_request(
@@ -3238,9 +3216,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3363,9 +3339,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -3506,9 +3480,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest_base.py
index 4094e99450f5..605c83b7912f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/conversational_search_service/transports/rest_base.py
@@ -14,23 +14,25 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseConversationalSearchServiceRestTransport(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/__init__.py
index aaea8b56ac8a..b8c5d59ab4e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DataStoreServiceAsyncClient
 from .client import DataStoreServiceClient
+from .async_client import DataStoreServiceAsyncClient
 
 __all__ = (
     "DataStoreServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/async_client.py
index 3dc9595013f9..a5032cbfcf5c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,25 +47,22 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import data_store
+from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1.types import data_store_service
+from google.cloud.discoveryengine_v1.types import document_processing_config
+from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.data_store_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1.types import cmek_config_service, common
-from google.cloud.discoveryengine_v1.types import data_store
-from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
-
-from .client import DataStoreServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
+from .client import DataStoreServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -157,7 +155,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_info.__func__(DataStoreServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_info.__func__(
+            DataStoreServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -173,7 +173,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_file.__func__(DataStoreServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_file.__func__(
+            DataStoreServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/client.py
index 0339b982d45a..6c98fd08f707 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,23 +63,20 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import data_store
+from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1.types import data_store_service
+from google.cloud.discoveryengine_v1.types import document_processing_config
+from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.data_store_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1.types import cmek_config_service, common
-from google.cloud.discoveryengine_v1.types import data_store
-from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
-
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DataStoreServiceGrpcTransport
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
 from .transports.rest import DataStoreServiceRestTransport
@@ -93,9 +90,7 @@ class DataStoreServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DataStoreServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
     _transport_registry["grpc"] = DataStoreServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DataStoreServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DataStoreServiceRestTransport
@@ -783,11 +778,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DataStoreServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DataStoreServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DataStoreServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -822,8 +815,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DataStoreServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/pagers.py
index 7f58cc992a6b..c0c6ff9b40ab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import data_store, data_store_service
+from google.cloud.discoveryengine_v1.types import data_store
+from google.cloud.discoveryengine_v1.types import data_store_service
 
 
 class ListDataStoresPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/__init__.py
index 70a5571eccbe..9230588b12ff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DataStoreServiceTransport
 from .grpc import DataStoreServiceGrpcTransport
 from .grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
-from .rest import DataStoreServiceRestInterceptor, DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/base.py
index 0704969371b3..fbafe9ac49fd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import data_store
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1.types import data_store_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -265,7 +267,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc.py
index 1912e521bbea..f5a266837a9c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import data_store
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc_asyncio.py
index 28891d658dc4..52aa475e320a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import data_store
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DataStoreServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest.py
index 39d47ff88a08..31fdaf571587 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import data_store
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1.types import data_store_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDataStoreServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -776,9 +783,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_create_data_store(
                 request, metadata
@@ -931,9 +936,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_data_store(
                 request, metadata
@@ -1228,9 +1231,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
 
             request, metadata = self._interceptor.pre_list_data_stores(
                 request, metadata
@@ -1382,9 +1383,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_update_data_store(
                 request, metadata
@@ -1584,9 +1583,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1846,9 +1843,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDataStoreServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest_base.py
index acd1629b2ef9..94f9bf4a1ded 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/data_store_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import data_store
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDataStoreServiceRestTransport(DataStoreServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/__init__.py
index 0bd096115c9e..4d6f3ee464d0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DocumentServiceAsyncClient
 from .client import DocumentServiceClient
+from .async_client import DocumentServiceAsyncClient
 
 __all__ = (
     "DocumentServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/async_client.py
index 71054e73c44d..7916ea22304d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,24 +47,20 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.document_service import pagers
+from google.cloud.discoveryengine_v1.types import document
+from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.document_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1.types import document
-from google.cloud.discoveryengine_v1.types import document as gcd_document
-
-from .client import DocumentServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
+from .client import DocumentServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -138,7 +135,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_info.__func__(DocumentServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_info.__func__(
+            DocumentServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -154,7 +153,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_file.__func__(DocumentServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_file.__func__(
+            DocumentServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/client.py
index 1b4043d931d9..b947e4057e5c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,22 +63,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.document_service import pagers
+from google.cloud.discoveryengine_v1.types import document
+from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.document_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1.types import document
-from google.cloud.discoveryengine_v1.types import document as gcd_document
-
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DocumentServiceGrpcTransport
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
 from .transports.rest import DocumentServiceRestTransport
@@ -92,9 +88,7 @@ class DocumentServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DocumentServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
     _transport_registry["grpc"] = DocumentServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DocumentServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DocumentServiceRestTransport
@@ -701,11 +695,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DocumentServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DocumentServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DocumentServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -740,8 +732,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DocumentServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/pagers.py
index ac51440eeead..056821610376 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import document, document_service
+from google.cloud.discoveryengine_v1.types import document
+from google.cloud.discoveryengine_v1.types import document_service
 
 
 class ListDocumentsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/__init__.py
index 08578a95ea6d..de821c2b2022 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DocumentServiceTransport
 from .grpc import DocumentServiceGrpcTransport
 from .grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
-from .rest import DocumentServiceRestInterceptor, DocumentServiceRestTransport
+from .rest import DocumentServiceRestTransport
+from .rest import DocumentServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/base.py
index 82c50be788d0..2b7c35df1608 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/base.py
@@ -16,26 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1.types import document
 from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -324,7 +324,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc.py
index 05e0a2d3f1d3..e8f46ecdeee8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc.py
@@ -16,30 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1.types import document
 from google.cloud.discoveryengine_v1.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -582,12 +582,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc_asyncio.py
index 77f762d0e1d3..17e5c33a6bc2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/grpc_asyncio.py
@@ -15,34 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1.types import document
 from google.cloud.discoveryengine_v1.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DocumentServiceGrpcTransport
 
 try:
@@ -599,12 +599,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest.py
index 50a4d46dde6f..f40e3f2d6b56 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest.py
@@ -13,34 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1.types import document
 from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDocumentServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -908,9 +913,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_get_documents_metadata(
                 request, metadata
@@ -1066,9 +1069,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_create_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_transcoded_request(
@@ -1213,9 +1214,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_transcoded_request(
@@ -1476,9 +1475,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_import_documents(
                 request, metadata
@@ -1782,9 +1779,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_documents(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_transcoded_request(
@@ -1935,9 +1930,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_update_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_transcoded_request(
@@ -2039,7 +2032,9 @@ def batch_get_documents_metadata(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchGetDocumentsMetadata(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchGetDocumentsMetadata(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_document(
@@ -2154,9 +2149,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -2416,9 +2409,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest_base.py
index 46c67990ec00..e979e7cbf238 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/document_service/transports/rest_base.py
@@ -14,24 +14,24 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1.types import document
 from google.cloud.discoveryengine_v1.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDocumentServiceRestTransport(DocumentServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/__init__.py
index f028860e65ae..e6da99d73e86 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EngineServiceAsyncClient
 from .client import EngineServiceClient
+from .async_client import EngineServiceAsyncClient
 
 __all__ = (
     "EngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/async_client.py
index 925b30d7dfeb..d6627bc655c4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,21 +47,19 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.engine_service import pagers
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
-
-from .client import EngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
+from .client import EngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_info.__func__(EngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_info.__func__(
+            EngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_file.__func__(EngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_file.__func__(
+            EngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/client.py
index 4254996f18bd..483ca0344ef9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,19 +63,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.engine_service import pagers
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EngineServiceGrpcTransport
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
 from .transports.rest import EngineServiceRestTransport
@@ -639,11 +637,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EngineServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -678,8 +674,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/pagers.py
index ec1fde800ee2..bb69362b2193 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import engine, engine_service
+from google.cloud.discoveryengine_v1.types import engine
+from google.cloud.discoveryengine_v1.types import engine_service
 
 
 class ListEnginesPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/__init__.py
index b4ffb09de4fe..196454992873 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import EngineServiceTransport
 from .grpc import EngineServiceGrpcTransport
 from .grpc_asyncio import EngineServiceGrpcAsyncIOTransport
-from .rest import EngineServiceRestInterceptor, EngineServiceRestTransport
+from .rest import EngineServiceRestTransport
+from .rest import EngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[EngineServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/base.py
index 057af87e23ae..f15c7156a20c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -265,7 +267,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc.py
index c3cfe00e1a7c..d6412be55d6f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc_asyncio.py
index af710f3f1ef7..79d5af88928c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EngineServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest.py
index 5db6c2f5a8fe..d36ffc9dfb5f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest_base.py
index 325cff42db74..dc37e7222c3a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/engine_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEngineServiceRestTransport(EngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/__init__.py
index 6fea6cab0de9..4cfbfc0e118a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import GroundedGenerationServiceAsyncClient
 from .client import GroundedGenerationServiceClient
+from .async_client import GroundedGenerationServiceAsyncClient
 
 __all__ = (
     "GroundedGenerationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/async_client.py
index f6720459006b..89a3659aaa68 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/async_client.py
@@ -13,48 +13,48 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    AsyncIterable,
-    AsyncIterator,
-    Awaitable,
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    AsyncIterable,
+    Awaitable,
+    AsyncIterator,
     Sequence,
     Tuple,
     Type,
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import grounded_generation_service
+from google.cloud.discoveryengine_v1.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import grounded_generation_service, grounding
-
-from .client import GroundedGenerationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
+from .client import GroundedGenerationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -140,7 +140,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_info.__func__(GroundedGenerationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_info.__func__(
+            GroundedGenerationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -156,7 +158,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_file.__func__(GroundedGenerationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_file.__func__(
+            GroundedGenerationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -194,7 +198,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> GroundedGenerationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/client.py
index d1e36741fd1a..c02ffff48635 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/client.py
@@ -20,14 +20,14 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
-    Iterable,
-    Iterator,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    Iterable,
+    Iterator,
     Sequence,
     Tuple,
     Type,
@@ -36,19 +36,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,12 +63,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1.types import grounded_generation_service
+from google.cloud.discoveryengine_v1.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import grounded_generation_service, grounding
-
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import GroundedGenerationServiceGrpcTransport
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
 from .transports.rest import GroundedGenerationServiceRestTransport
@@ -82,9 +81,7 @@ class GroundedGenerationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
     _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = GroundedGenerationServiceRestTransport
@@ -653,11 +650,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = GroundedGenerationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            GroundedGenerationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             GroundedGenerationServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -694,8 +689,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(GroundedGenerationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/__init__.py
index 0f3052cbd079..bf39f5e977bd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import GroundedGenerationServiceTransport
 from .grpc import GroundedGenerationServiceGrpcTransport
 from .grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
-from .rest import (
-    GroundedGenerationServiceRestInterceptor,
-    GroundedGenerationServiceRestTransport,
-)
+from .rest import GroundedGenerationServiceRestTransport
+from .rest import GroundedGenerationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
 _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = GroundedGenerationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/base.py
index c62de3288072..53dc0d713e7a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import grounded_generation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -236,7 +237,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc.py
index 31f2246b579b..e8675bf44707 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -346,12 +347,12 @@ def stream_generate_grounded_content(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "stream_generate_grounded_content" not in self._stubs:
-            self._stubs[
-                "stream_generate_grounded_content"
-            ] = self._logged_channel.stream_stream(
-                "/google.cloud.discoveryengine.v1.GroundedGenerationService/StreamGenerateGroundedContent",
-                request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
-                response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+            self._stubs["stream_generate_grounded_content"] = (
+                self._logged_channel.stream_stream(
+                    "/google.cloud.discoveryengine.v1.GroundedGenerationService/StreamGenerateGroundedContent",
+                    request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
+                    response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+                )
             )
         return self._stubs["stream_generate_grounded_content"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc_asyncio.py
index f566cd344b8e..9eca90058f3f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import GroundedGenerationServiceGrpcTransport
 
 try:
@@ -354,12 +355,12 @@ def stream_generate_grounded_content(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "stream_generate_grounded_content" not in self._stubs:
-            self._stubs[
-                "stream_generate_grounded_content"
-            ] = self._logged_channel.stream_stream(
-                "/google.cloud.discoveryengine.v1.GroundedGenerationService/StreamGenerateGroundedContent",
-                request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
-                response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+            self._stubs["stream_generate_grounded_content"] = (
+                self._logged_channel.stream_stream(
+                    "/google.cloud.discoveryengine.v1.GroundedGenerationService/StreamGenerateGroundedContent",
+                    request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
+                    response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+                )
             )
         return self._stubs["stream_generate_grounded_content"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest.py
index 85d027c4ce30..3f8f1667d434 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import grounded_generation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseGroundedGenerationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -424,9 +430,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
 
             request, metadata = self._interceptor.pre_check_grounding(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_transcoded_request(
@@ -584,9 +588,7 @@ def __call__(
                     Response for the ``GenerateGroundedContent`` method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseGenerateGroundedContent._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseGenerateGroundedContent._get_http_options()
 
             request, metadata = self._interceptor.pre_generate_grounded_content(
                 request, metadata
@@ -726,7 +728,9 @@ def generate_grounded_content(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._GenerateGroundedContent(self._session, self._host, self._interceptor)  # type: ignore
+        return self._GenerateGroundedContent(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def stream_generate_grounded_content(
@@ -737,7 +741,9 @@ def stream_generate_grounded_content(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._StreamGenerateGroundedContent(self._session, self._host, self._interceptor)  # type: ignore
+        return self._StreamGenerateGroundedContent(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -795,9 +801,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -920,9 +924,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1063,9 +1065,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest_base.py
index cc30d05f96fa..a2383e9df82b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/grounded_generation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseGroundedGenerationServiceRestTransport(GroundedGenerationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/__init__.py
index 776ac4568994..2059929c1612 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import IdentityMappingStoreServiceAsyncClient
 from .client import IdentityMappingStoreServiceClient
+from .async_client import IdentityMappingStoreServiceAsyncClient
 
 __all__ = (
     "IdentityMappingStoreServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/async_client.py
index 68b258cafda5..22bcccc9d587 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,23 +47,21 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     pagers,
 )
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import cmek_config_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
-
-from .client import IdentityMappingStoreServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, IdentityMappingStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .transports.base import IdentityMappingStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import IdentityMappingStoreServiceGrpcAsyncIOTransport
+from .client import IdentityMappingStoreServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -156,7 +155,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             IdentityMappingStoreServiceAsyncClient: The constructed client.
         """
-        return IdentityMappingStoreServiceClient.from_service_account_info.__func__(IdentityMappingStoreServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return IdentityMappingStoreServiceClient.from_service_account_info.__func__(
+            IdentityMappingStoreServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -172,7 +173,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             IdentityMappingStoreServiceAsyncClient: The constructed client.
         """
-        return IdentityMappingStoreServiceClient.from_service_account_file.__func__(IdentityMappingStoreServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return IdentityMappingStoreServiceClient.from_service_account_file.__func__(
+            IdentityMappingStoreServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -210,7 +213,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return IdentityMappingStoreServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return IdentityMappingStoreServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> IdentityMappingStoreServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/client.py
index 0c75fcee6117..87014ea91cb6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,21 +63,19 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     pagers,
 )
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import cmek_config_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
-
-from .transports.base import DEFAULT_CLIENT_INFO, IdentityMappingStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .transports.base import IdentityMappingStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import IdentityMappingStoreServiceGrpcTransport
 from .transports.grpc_asyncio import IdentityMappingStoreServiceGrpcAsyncIOTransport
 from .transports.rest import IdentityMappingStoreServiceRestTransport
@@ -91,13 +89,11 @@ class IdentityMappingStoreServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[IdentityMappingStoreServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[IdentityMappingStoreServiceTransport]]
     _transport_registry["grpc"] = IdentityMappingStoreServiceGrpcTransport
-    _transport_registry[
-        "grpc_asyncio"
-    ] = IdentityMappingStoreServiceGrpcAsyncIOTransport
+    _transport_registry["grpc_asyncio"] = (
+        IdentityMappingStoreServiceGrpcAsyncIOTransport
+    )
     _transport_registry["rest"] = IdentityMappingStoreServiceRestTransport
 
     def get_transport_class(
@@ -711,11 +707,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = IdentityMappingStoreServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            IdentityMappingStoreServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             IdentityMappingStoreServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -752,8 +746,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(IdentityMappingStoreServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/pagers.py
index baf9caba7fd4..3ce7cb9d9249 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    identity_mapping_store,
-    identity_mapping_store_service,
-)
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
+from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
 
 
 class ListIdentityMappingsPager:
@@ -72,7 +69,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -154,7 +151,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -240,7 +237,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -323,7 +320,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/__init__.py
index 174d9fb7f1c1..308c026d36a4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import IdentityMappingStoreServiceTransport
 from .grpc import IdentityMappingStoreServiceGrpcTransport
 from .grpc_asyncio import IdentityMappingStoreServiceGrpcAsyncIOTransport
-from .rest import (
-    IdentityMappingStoreServiceRestInterceptor,
-    IdentityMappingStoreServiceRestTransport,
-)
+from .rest import IdentityMappingStoreServiceRestTransport
+from .rest import IdentityMappingStoreServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[IdentityMappingStoreServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[IdentityMappingStoreServiceTransport]]
 _transport_registry["grpc"] = IdentityMappingStoreServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = IdentityMappingStoreServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = IdentityMappingStoreServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/base.py
index 6fc518202560..d45ed3792eb0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/base.py
@@ -16,23 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -304,7 +306,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc.py
index 9905e3da1955..f77702306ef6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc.py
@@ -16,27 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
-
-from .base import DEFAULT_CLIENT_INFO, IdentityMappingStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import IdentityMappingStoreServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -366,12 +368,12 @@ def create_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "create_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "create_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/CreateIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.CreateIdentityMappingStoreRequest.serialize,
-                response_deserializer=gcd_identity_mapping_store.IdentityMappingStore.deserialize,
+            self._stubs["create_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/CreateIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.CreateIdentityMappingStoreRequest.serialize,
+                    response_deserializer=gcd_identity_mapping_store.IdentityMappingStore.deserialize,
+                )
             )
         return self._stubs["create_identity_mapping_store"]
 
@@ -397,12 +399,12 @@ def get_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "get_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/GetIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.GetIdentityMappingStoreRequest.serialize,
-                response_deserializer=identity_mapping_store.IdentityMappingStore.deserialize,
+            self._stubs["get_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/GetIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.GetIdentityMappingStoreRequest.serialize,
+                    response_deserializer=identity_mapping_store.IdentityMappingStore.deserialize,
+                )
             )
         return self._stubs["get_identity_mapping_store"]
 
@@ -428,12 +430,12 @@ def delete_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "delete_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "delete_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/DeleteIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.DeleteIdentityMappingStoreRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["delete_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/DeleteIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.DeleteIdentityMappingStoreRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["delete_identity_mapping_store"]
 
@@ -548,12 +550,12 @@ def list_identity_mapping_stores(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "list_identity_mapping_stores" not in self._stubs:
-            self._stubs[
-                "list_identity_mapping_stores"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/ListIdentityMappingStores",
-                request_serializer=identity_mapping_store_service.ListIdentityMappingStoresRequest.serialize,
-                response_deserializer=identity_mapping_store_service.ListIdentityMappingStoresResponse.deserialize,
+            self._stubs["list_identity_mapping_stores"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/ListIdentityMappingStores",
+                    request_serializer=identity_mapping_store_service.ListIdentityMappingStoresRequest.serialize,
+                    response_deserializer=identity_mapping_store_service.ListIdentityMappingStoresResponse.deserialize,
+                )
             )
         return self._stubs["list_identity_mapping_stores"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc_asyncio.py
index 051c342a8e43..a892a76223da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/grpc_asyncio.py
@@ -15,31 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
-
-from .base import DEFAULT_CLIENT_INFO, IdentityMappingStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import IdentityMappingStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import IdentityMappingStoreServiceGrpcTransport
 
 try:
@@ -376,12 +378,12 @@ def create_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "create_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "create_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/CreateIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.CreateIdentityMappingStoreRequest.serialize,
-                response_deserializer=gcd_identity_mapping_store.IdentityMappingStore.deserialize,
+            self._stubs["create_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/CreateIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.CreateIdentityMappingStoreRequest.serialize,
+                    response_deserializer=gcd_identity_mapping_store.IdentityMappingStore.deserialize,
+                )
             )
         return self._stubs["create_identity_mapping_store"]
 
@@ -407,12 +409,12 @@ def get_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "get_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/GetIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.GetIdentityMappingStoreRequest.serialize,
-                response_deserializer=identity_mapping_store.IdentityMappingStore.deserialize,
+            self._stubs["get_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/GetIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.GetIdentityMappingStoreRequest.serialize,
+                    response_deserializer=identity_mapping_store.IdentityMappingStore.deserialize,
+                )
             )
         return self._stubs["get_identity_mapping_store"]
 
@@ -438,12 +440,12 @@ def delete_identity_mapping_store(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "delete_identity_mapping_store" not in self._stubs:
-            self._stubs[
-                "delete_identity_mapping_store"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/DeleteIdentityMappingStore",
-                request_serializer=identity_mapping_store_service.DeleteIdentityMappingStoreRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["delete_identity_mapping_store"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/DeleteIdentityMappingStore",
+                    request_serializer=identity_mapping_store_service.DeleteIdentityMappingStoreRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["delete_identity_mapping_store"]
 
@@ -558,12 +560,12 @@ def list_identity_mapping_stores(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "list_identity_mapping_stores" not in self._stubs:
-            self._stubs[
-                "list_identity_mapping_stores"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/ListIdentityMappingStores",
-                request_serializer=identity_mapping_store_service.ListIdentityMappingStoresRequest.serialize,
-                response_deserializer=identity_mapping_store_service.ListIdentityMappingStoresResponse.deserialize,
+            self._stubs["list_identity_mapping_stores"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.IdentityMappingStoreService/ListIdentityMappingStores",
+                    request_serializer=identity_mapping_store_service.ListIdentityMappingStoresRequest.serialize,
+                    response_deserializer=identity_mapping_store_service.ListIdentityMappingStoresResponse.deserialize,
+                )
             )
         return self._stubs["list_identity_mapping_stores"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest.py
index 96444f77f638..1dac7d8819da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest.py
@@ -13,31 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
 
+
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseIdentityMappingStoreServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -903,9 +910,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseCreateIdentityMappingStore._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseCreateIdentityMappingStore._get_http_options()
 
             request, metadata = self._interceptor.pre_create_identity_mapping_store(
                 request, metadata
@@ -974,11 +979,10 @@ def __call__(
 
             resp = self._interceptor.post_create_identity_mapping_store(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_create_identity_mapping_store_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_create_identity_mapping_store_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1069,9 +1073,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseDeleteIdentityMappingStore._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseDeleteIdentityMappingStore._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_identity_mapping_store(
                 request, metadata
@@ -1133,11 +1135,10 @@ def __call__(
 
             resp = self._interceptor.post_delete_identity_mapping_store(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_delete_identity_mapping_store_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_delete_identity_mapping_store_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1223,9 +1224,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseGetIdentityMappingStore._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseGetIdentityMappingStore._get_http_options()
 
             request, metadata = self._interceptor.pre_get_identity_mapping_store(
                 request, metadata
@@ -1379,9 +1378,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseImportIdentityMappings._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseImportIdentityMappings._get_http_options()
 
             request, metadata = self._interceptor.pre_import_identity_mappings(
                 request, metadata
@@ -1532,9 +1529,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseListIdentityMappings._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseListIdentityMappings._get_http_options()
 
             request, metadata = self._interceptor.pre_list_identity_mappings(
                 request, metadata
@@ -1689,9 +1684,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseListIdentityMappingStores._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseListIdentityMappingStores._get_http_options()
 
             request, metadata = self._interceptor.pre_list_identity_mapping_stores(
                 request, metadata
@@ -1849,9 +1842,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BasePurgeIdentityMappings._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BasePurgeIdentityMappings._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_identity_mappings(
                 request, metadata
@@ -1953,7 +1944,9 @@ def create_identity_mapping_store(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._CreateIdentityMappingStore(self._session, self._host, self._interceptor)  # type: ignore
+        return self._CreateIdentityMappingStore(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def delete_identity_mapping_store(
@@ -1964,7 +1957,9 @@ def delete_identity_mapping_store(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._DeleteIdentityMappingStore(self._session, self._host, self._interceptor)  # type: ignore
+        return self._DeleteIdentityMappingStore(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def get_identity_mapping_store(
@@ -1975,7 +1970,9 @@ def get_identity_mapping_store(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._GetIdentityMappingStore(self._session, self._host, self._interceptor)  # type: ignore
+        return self._GetIdentityMappingStore(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def import_identity_mappings(
@@ -1986,7 +1983,9 @@ def import_identity_mappings(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportIdentityMappings(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportIdentityMappings(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def list_identity_mappings(
@@ -2008,7 +2007,9 @@ def list_identity_mapping_stores(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ListIdentityMappingStores(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ListIdentityMappingStores(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_identity_mappings(
@@ -2077,9 +2078,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -2202,9 +2201,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseIdentityMappingStoreServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -2345,9 +2342,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseIdentityMappingStoreServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseIdentityMappingStoreServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseIdentityMappingStoreServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest_base.py
index ace057d7e5c4..c6d070ee761a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/identity_mapping_store_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import IdentityMappingStoreServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
-
-from .base import DEFAULT_CLIENT_INFO, IdentityMappingStoreServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseIdentityMappingStoreServiceRestTransport(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/__init__.py
index 92a56900c029..f42a6de5f23b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ProjectServiceAsyncClient
 from .client import ProjectServiceClient
+from .async_client import ProjectServiceAsyncClient
 
 __all__ = (
     "ProjectServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/async_client.py
index 70d0d80a8504..508266526505 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,14 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import project
+from google.cloud.discoveryengine_v1.types import project_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import project, project_service
-
-from .client import ProjectServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
+from .client import ProjectServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -119,7 +119,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_info.__func__(ProjectServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_info.__func__(
+            ProjectServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -135,7 +137,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_file.__func__(ProjectServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_file.__func__(
+            ProjectServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/client.py
index af3d906d848f..1ad0bc231604 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,12 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import project
+from google.cloud.discoveryengine_v1.types import project_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import project, project_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ProjectServiceGrpcTransport
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
 from .transports.rest import ProjectServiceRestTransport
@@ -82,9 +81,7 @@ class ProjectServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ProjectServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
     _transport_registry["grpc"] = ProjectServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ProjectServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ProjectServiceRestTransport
@@ -601,11 +598,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ProjectServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ProjectServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ProjectServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -640,8 +635,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ProjectServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/__init__.py
index 34168b4c507d..37999d2dc481 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ProjectServiceTransport
 from .grpc import ProjectServiceGrpcTransport
 from .grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
-from .rest import ProjectServiceRestInterceptor, ProjectServiceRestTransport
+from .rest import ProjectServiceRestTransport
+from .rest import ProjectServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/base.py
index 77e609a32684..5ec80f9ad46d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import project_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -204,7 +206,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc.py
index f34176357d51..26042ed591f1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc_asyncio.py
index 4b559d1624d2..7330ceac9fdf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ProjectServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest.py
index 0a0653653735..ec3c5c7f18bc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import project_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseProjectServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -541,9 +548,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
 
             request, metadata = self._interceptor.pre_provision_project(
                 request, metadata
@@ -699,9 +704,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest_base.py
index ffe02057fffc..2418c88dfa0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/project_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseProjectServiceRestTransport(ProjectServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/__init__.py
index b87f3b8d87d4..cff8ae0bd628 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RankServiceAsyncClient
 from .client import RankServiceClient
+from .async_client import RankServiceAsyncClient
 
 __all__ = (
     "RankServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/async_client.py
index bc75f18dbbf6..53d05eb431a7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import rank_service
-
-from .client import RankServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
+from .client import RankServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -113,7 +112,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_info.__func__(RankServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_info.__func__(
+            RankServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -129,7 +130,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_file.__func__(RankServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_file.__func__(
+            RankServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/client.py
index 601055c28dcb..ff18f9a09474 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import rank_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RankServiceGrpcTransport
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
 from .transports.rest import RankServiceRestTransport
@@ -602,11 +600,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RankServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RankServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RankServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -641,8 +637,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RankServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/__init__.py
index f45de8a44763..3ea75b53c7b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import RankServiceTransport
 from .grpc import RankServiceGrpcTransport
 from .grpc_asyncio import RankServiceGrpcAsyncIOTransport
-from .rest import RankServiceRestInterceptor, RankServiceRestTransport
+from .rest import RankServiceRestTransport
+from .rest import RankServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[RankServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/base.py
index 4ef2e84081b8..028ed1fcf29b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import rank_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -199,7 +200,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc.py
index da47ea55a36c..da7e8bcb279f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc_asyncio.py
index 356285718df1..3d36c9ac719b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RankServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest.py
index ec034858eae5..b08081f9879f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import rank_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRankServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest_base.py
index 1e4bab85e887..5cabd357d2f4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/rank_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRankServiceRestTransport(RankServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/__init__.py
index 6a625342219a..4ddd61f41d3e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RecommendationServiceAsyncClient
 from .client import RecommendationServiceClient
+from .async_client import RecommendationServiceAsyncClient
 
 __all__ = (
     "RecommendationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/async_client.py
index c1ce0fab69d5..4bdd37f7f529 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import recommendation_service
-
-from .client import RecommendationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
+from .client import RecommendationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -127,7 +126,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_info.__func__(RecommendationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_info.__func__(
+            RecommendationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -143,7 +144,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_file.__func__(RecommendationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_file.__func__(
+            RecommendationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -181,7 +184,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> RecommendationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/client.py
index de134a234495..717202029f98 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import recommendation_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RecommendationServiceGrpcTransport
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
 from .transports.rest import RecommendationServiceRestTransport
@@ -80,9 +78,7 @@ class RecommendationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[RecommendationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
     _transport_registry["grpc"] = RecommendationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = RecommendationServiceRestTransport
@@ -684,11 +680,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RecommendationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RecommendationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RecommendationServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -723,8 +717,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RecommendationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/__init__.py
index f21f53c111bf..a7477e51c44b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import RecommendationServiceTransport
 from .grpc import RecommendationServiceGrpcTransport
 from .grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
-from .rest import (
-    RecommendationServiceRestInterceptor,
-    RecommendationServiceRestTransport,
-)
+from .rest import RecommendationServiceRestTransport
+from .rest import RecommendationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[RecommendationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
 _transport_registry["grpc"] = RecommendationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = RecommendationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/base.py
index 4c86cefda588..1c50797c2b98 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import recommendation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -202,7 +203,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc.py
index 87a59a304273..7dce84df21e3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc_asyncio.py
index f7813777b005..acf1a81805d0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RecommendationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest.py
index 5720b3cc98b0..0c73dad8a426 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import recommendation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRecommendationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -358,9 +364,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
 
             request, metadata = self._interceptor.pre_recommend(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseRecommend._get_transcoded_request(
@@ -522,9 +526,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -647,9 +649,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -788,9 +788,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest_base.py
index 62761d1fbd9c..8a06009b724c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/recommendation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRecommendationServiceRestTransport(RecommendationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/__init__.py
index f95513aefa30..0908014e8c82 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SchemaServiceAsyncClient
 from .client import SchemaServiceClient
+from .async_client import SchemaServiceAsyncClient
 
 __all__ = (
     "SchemaServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/async_client.py
index cae8913850a8..308ba3b1bef7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,19 +47,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.schema_service import pagers
 from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.discoveryengine_v1.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1.types import schema_service
-
-from .client import SchemaServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
+from .client import SchemaServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -126,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_info.__func__(SchemaServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_info.__func__(
+            SchemaServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -142,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_file.__func__(SchemaServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_file.__func__(
+            SchemaServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/client.py
index 0f5b6397db4d..63955ef5b3b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,17 +63,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.schema_service import pagers
 from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.discoveryengine_v1.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1.types import schema_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SchemaServiceGrpcTransport
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
 from .transports.rest import SchemaServiceRestTransport
@@ -635,11 +633,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SchemaServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SchemaServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SchemaServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -674,8 +670,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SchemaServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/pagers.py
index 39d3aa982444..c95ccd00d204 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import schema, schema_service
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
 
 
 class ListSchemasPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/__init__.py
index d21d5baa6100..78c2fa21d683 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SchemaServiceTransport
 from .grpc import SchemaServiceGrpcTransport
 from .grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
-from .rest import SchemaServiceRestInterceptor, SchemaServiceRestTransport
+from .rest import SchemaServiceRestTransport
+from .rest import SchemaServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SchemaServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/base.py
index 0ad1ceb12bf5..dfb078f3e1ec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/base.py
@@ -16,19 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import schema, schema_service
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -263,7 +266,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc.py
index ff6e12c5ed53..fde00913d573 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc.py
@@ -16,23 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc_asyncio.py
index 86e834072ee1..1b41178cedda 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/grpc_asyncio.py
@@ -15,27 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SchemaServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest.py
index 55873e594a9c..0caed11cdd00 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest.py
@@ -13,27 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import schema, schema_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSchemaServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest_base.py
index dcd2de979b3a..0044327fae10 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/schema_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1.types import schema, schema_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+
+from google.cloud.discoveryengine_v1.types import schema
+from google.cloud.discoveryengine_v1.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSchemaServiceRestTransport(SchemaServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/__init__.py
index 96aaa3993300..2be7ab3ff9b0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchServiceAsyncClient
 from .client import SearchServiceClient
+from .async_client import SearchServiceAsyncClient
 
 __all__ = (
     "SearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/async_client.py
index 29a56caccd71..fb071c034b87 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,30 +29,29 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.search_service import pagers
 from google.cloud.discoveryengine_v1.types import search_service
-
-from .client import SearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
+from .client import SearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_info.__func__(SearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_info.__func__(
+            SearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_file.__func__(SearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_file.__func__(
+            SearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/client.py
index cbdc72272d57..042dc071e3c0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,13 +61,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.search_service import pagers
 from google.cloud.discoveryengine_v1.types import search_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchServiceGrpcTransport
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
 from .transports.rest import SearchServiceRestTransport
@@ -729,11 +727,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -768,8 +764,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/pagers.py
index d3a0656343e3..8ec155295784 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -67,7 +66,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +142,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -223,7 +222,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -299,7 +298,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/__init__.py
index 24f3c65a62e4..62c175446415 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SearchServiceTransport
 from .grpc import SearchServiceGrpcTransport
 from .grpc_asyncio import SearchServiceGrpcAsyncIOTransport
-from .rest import SearchServiceRestInterceptor, SearchServiceRestTransport
+from .rest import SearchServiceRestTransport
+from .rest import SearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/base.py
index 031b664b5ad4..d851b98de616 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import search_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -213,7 +214,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc.py
index 75d3d2e6b966..5e8bf4f1e289 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc_asyncio.py
index ce258458a3c8..b9127b748af7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest.py
index 202f27b30213..9b8d9d0671e1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import search_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest_base.py
index aee220d223d7..b98c76f83e74 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchServiceRestTransport(SearchServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/__init__.py
index 1759c51ec4ab..6b603bf03c01 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchTuningServiceAsyncClient
 from .client import SearchTuningServiceClient
+from .async_client import SearchTuningServiceAsyncClient
 
 __all__ = (
     "SearchTuningServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/async_client.py
index b1641981be86..deae6ae826e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,17 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import custom_tuning_model
+from google.cloud.discoveryengine_v1.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .client import SearchTuningServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
+from .client import SearchTuningServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_info.__func__(SearchTuningServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_info.__func__(
+            SearchTuningServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_file.__func__(SearchTuningServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_file.__func__(
+            SearchTuningServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -182,7 +183,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SearchTuningServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/client.py
index caa806592de5..534165937762 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,15 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import custom_tuning_model
+from google.cloud.discoveryengine_v1.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchTuningServiceGrpcTransport
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
 from .transports.rest import SearchTuningServiceRestTransport
@@ -85,9 +81,7 @@ class SearchTuningServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SearchTuningServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
     _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SearchTuningServiceRestTransport
@@ -637,11 +631,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchTuningServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchTuningServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchTuningServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -676,8 +668,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchTuningServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/__init__.py
index d759f5c3cdcd..a1d0aa1f0e9f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import SearchTuningServiceTransport
 from .grpc import SearchTuningServiceGrpcTransport
 from .grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
-from .rest import SearchTuningServiceRestInterceptor, SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SearchTuningServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
 _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SearchTuningServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/base.py
index ca2f767e56cc..e2765fc4e868 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import search_tuning_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -221,7 +223,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc.py
index 517cd9fa2925..3706b755cc5d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc_asyncio.py
index 2230de5a3f2e..715b612c881e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchTuningServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest.py
index 381276207316..0603234ffa5d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import search_tuning_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchTuningServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -601,9 +608,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
 
             request, metadata = self._interceptor.pre_list_custom_models(
                 request, metadata
@@ -756,9 +761,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
 
             request, metadata = self._interceptor.pre_train_custom_model(
                 request, metadata
@@ -928,9 +931,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1051,9 +1052,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1192,9 +1191,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest_base.py
index cbc8b44d20fb..61387595c118 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/search_tuning_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchTuningServiceRestTransport(SearchTuningServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/__init__.py
index 5e424baa78b8..123f6508d9a5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ServingConfigServiceAsyncClient
 from .client import ServingConfigServiceClient
+from .async_client import ServingConfigServiceAsyncClient
 
 __all__ = (
     "ServingConfigServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/async_client.py
index 3ae0776e9c27..1609f70052ee 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,33 +29,32 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
+from google.cloud.discoveryengine_v1.types import serving_config_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
-from google.cloud.discoveryengine_v1.types import common
-from google.cloud.discoveryengine_v1.types import serving_config_service
-
-from .client import ServingConfigServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
+from .client import ServingConfigServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -123,7 +122,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_info.__func__(ServingConfigServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_info.__func__(
+            ServingConfigServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -139,7 +140,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_file.__func__(ServingConfigServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_file.__func__(
+            ServingConfigServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -177,7 +180,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ServingConfigServiceTransport:
@@ -364,7 +369,7 @@ async def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/client.py
index 3d7b8bf969b2..c3aa756ed9b2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,16 +61,14 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
+from google.cloud.discoveryengine_v1.types import serving_config_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
-from google.cloud.discoveryengine_v1.types import common
-from google.cloud.discoveryengine_v1.types import serving_config_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ServingConfigServiceGrpcTransport
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
 from .transports.rest import ServingConfigServiceRestTransport
@@ -84,9 +82,7 @@ class ServingConfigServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ServingConfigServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
     _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ServingConfigServiceRestTransport
@@ -616,11 +612,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ServingConfigServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ServingConfigServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ServingConfigServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -655,8 +649,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ServingConfigServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -788,7 +781,7 @@ def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/__init__.py
index 6bdd4697d637..21e7b3091b0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import ServingConfigServiceTransport
 from .grpc import ServingConfigServiceGrpcTransport
 from .grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
-from .rest import ServingConfigServiceRestInterceptor, ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ServingConfigServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
 _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ServingConfigServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/base.py
index 16cb9121569f..18b73447fe06 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/base.py
@@ -16,20 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
 from google.cloud.discoveryengine_v1.types import serving_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -203,7 +204,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc.py
index d1c6a2fa0b24..c9746425faf5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc.py
@@ -16,24 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
 from google.cloud.discoveryengine_v1.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc_asyncio.py
index a4f8d822aa90..603475f6fea7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/grpc_asyncio.py
@@ -15,28 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
 from google.cloud.discoveryengine_v1.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ServingConfigServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest.py
index 308ca01f41d5..645ca5f42e0b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest.py
@@ -13,28 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
 from google.cloud.discoveryengine_v1.types import serving_config_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseServingConfigServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -365,9 +371,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_serving_config(
                 request, metadata
@@ -533,9 +537,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -656,9 +658,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -797,9 +797,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest_base.py
index 002043d83096..9c9b499e83c1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/serving_config_service/transports/rest_base.py
@@ -14,18 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
 from google.cloud.discoveryengine_v1.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseServingConfigServiceRestTransport(ServingConfigServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/__init__.py
index c278fb1603a2..a00026df42c5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SessionServiceAsyncClient
 from .client import SessionServiceClient
+from .async_client import SessionServiceAsyncClient
 
 __all__ = (
     "SessionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/async_client.py
index b347e794ea27..b0595a73a5b6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,34 +29,33 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.session_service import pagers
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .client import SessionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
+from .client import SessionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +131,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_info.__func__(SessionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_info.__func__(
+            SessionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +149,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_file.__func__(SessionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_file.__func__(
+            SessionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -589,7 +592,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1.Session] to
                 update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/client.py
index c1e4e7041229..02b8c62b768b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,17 +61,15 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.session_service import pagers
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SessionServiceGrpcTransport
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
 from .transports.rest import SessionServiceRestTransport
@@ -85,9 +83,7 @@ class SessionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SessionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
     _transport_registry["grpc"] = SessionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SessionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SessionServiceRestTransport
@@ -741,11 +737,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SessionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SessionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SessionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -780,8 +774,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SessionServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1126,7 +1119,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1.Session] to
                 update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/pagers.py
index 81daa2b85b5d..093e26b62dd5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import conversational_search_service, session
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import session
 
 
 class ListSessionsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -145,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/__init__.py
index d258a984225b..541203cdd07f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SessionServiceTransport
 from .grpc import SessionServiceGrpcTransport
 from .grpc_asyncio import SessionServiceGrpcAsyncIOTransport
-from .rest import SessionServiceRestInterceptor, SessionServiceRestTransport
+from .rest import SessionServiceRestTransport
+from .rest import SessionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/base.py
index 12576764ebe4..513f27fa5ad3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/base.py
@@ -16,22 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +262,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc.py
index 8b0fc2b575ea..f882ad4209ab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc.py
@@ -16,26 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc_asyncio.py
index b25a483d8ec6..b45efb707998 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/grpc_asyncio.py
@@ -15,30 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SessionServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest.py
index 0248e2b45739..cc0afa243435 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest.py
@@ -13,30 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSessionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1292,9 +1298,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest_base.py
index 639adc3c8330..8d879c3a3400 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/session_service/transports/rest_base.py
@@ -14,20 +14,22 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import conversational_search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSessionServiceRestTransport(SessionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/__init__.py
index 8039b8753159..3bffbf62365f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SiteSearchEngineServiceAsyncClient
 from .client import SiteSearchEngineServiceClient
+from .async_client import SiteSearchEngineServiceAsyncClient
 
 __all__ = (
     "SiteSearchEngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/async_client.py
index 1dd928221c4d..a73e7aa057be 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,20 +47,16 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import pagers
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.site_search_engine_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .client import SiteSearchEngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
+from .client import SiteSearchEngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -139,7 +136,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_info.__func__(SiteSearchEngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_info.__func__(
+            SiteSearchEngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -155,7 +154,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_file.__func__(SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_file.__func__(
+            SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -193,7 +194,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SiteSearchEngineServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/client.py
index f8b1fcf5ad26..7803e79bd1fc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,18 +63,14 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import pagers
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.site_search_engine_service import pagers
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SiteSearchEngineServiceGrpcTransport
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
 from .transports.rest import SiteSearchEngineServiceRestTransport
@@ -88,9 +84,7 @@ class SiteSearchEngineServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
     _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
@@ -666,11 +660,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SiteSearchEngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SiteSearchEngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             SiteSearchEngineServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -707,8 +699,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SiteSearchEngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/pagers.py
index 02ccb3146820..0fc95ca5bce0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
 
 
 class ListTargetSitesPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -232,7 +229,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -315,7 +312,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/__init__.py
index 5443c0c10cf1..31f1983d1847 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import SiteSearchEngineServiceTransport
 from .grpc import SiteSearchEngineServiceGrpcTransport
 from .grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
-from .rest import (
-    SiteSearchEngineServiceRestInterceptor,
-    SiteSearchEngineServiceRestTransport,
-)
+from .rest import SiteSearchEngineServiceRestTransport
+from .rest import SiteSearchEngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
 _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/base.py
index cc325dbf414f..977a85efeec9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/base.py
@@ -16,22 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -415,7 +415,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc.py
index 082f14f87f21..1b96c76ad5ea 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc.py
@@ -16,26 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -657,12 +657,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -689,12 +689,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -782,12 +782,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc_asyncio.py
index 2614081a8a1b..d5ed140f0399 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/grpc_asyncio.py
@@ -15,30 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SiteSearchEngineServiceGrpcTransport
 
 try:
@@ -671,12 +671,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -703,12 +703,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -797,12 +797,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest.py
index d81dea2526f0..292f5a6ba9bd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest.py
@@ -13,30 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSiteSearchEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1354,9 +1359,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_create_target_sites(
                 request, metadata
@@ -1510,9 +1513,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_verify_target_sites(
                 request, metadata
@@ -1666,9 +1667,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sitemap(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_transcoded_request(
@@ -1822,9 +1821,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_create_target_site(
                 request, metadata
@@ -1979,9 +1976,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sitemap(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_transcoded_request(
@@ -2129,9 +2124,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_target_site(
                 request, metadata
@@ -2285,9 +2278,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_disable_advanced_site_search(
                 request, metadata
@@ -2442,9 +2433,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_enable_advanced_site_search(
                 request, metadata
@@ -2600,9 +2589,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
 
             request, metadata = self._interceptor.pre_fetch_domain_verification_status(
                 request, metadata
@@ -2670,11 +2657,10 @@ def __call__(
 
             resp = self._interceptor.post_fetch_domain_verification_status(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_fetch_domain_verification_status_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_fetch_domain_verification_status_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -2761,9 +2747,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_http_options()
 
             request, metadata = self._interceptor.pre_fetch_sitemaps(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_transcoded_request(
@@ -2918,9 +2902,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
 
             request, metadata = self._interceptor.pre_get_site_search_engine(
                 request, metadata
@@ -3073,9 +3055,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_get_target_site(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_transcoded_request(
@@ -3225,9 +3205,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_list_target_sites(
                 request, metadata
@@ -3384,9 +3362,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
 
             request, metadata = self._interceptor.pre_recrawl_uris(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_transcoded_request(
@@ -3538,9 +3514,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_update_target_site(
                 request, metadata
@@ -3644,7 +3618,9 @@ def batch_create_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchCreateTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchCreateTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def batch_verify_target_sites(
@@ -3655,7 +3631,9 @@ def batch_verify_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchVerifyTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchVerifyTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_sitemap(
@@ -3706,7 +3684,9 @@ def disable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._DisableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._DisableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def enable_advanced_site_search(
@@ -3717,7 +3697,9 @@ def enable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._EnableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._EnableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def fetch_domain_verification_status(
@@ -3728,7 +3710,9 @@ def fetch_domain_verification_status(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._FetchDomainVerificationStatus(self._session, self._host, self._interceptor)  # type: ignore
+        return self._FetchDomainVerificationStatus(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def fetch_sitemaps(
@@ -3849,9 +3833,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3974,9 +3956,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -4115,9 +4095,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest_base.py
index 1851547a35ec..20831ce79c2d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/site_search_engine_service/transports/rest_base.py
@@ -14,20 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSiteSearchEngineServiceRestTransport(SiteSearchEngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/__init__.py
index eea5da67c013..4c45751a520f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import UserEventServiceAsyncClient
 from .client import UserEventServiceClient
+from .async_client import UserEventServiceAsyncClient
 
 __all__ = (
     "UserEventServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/async_client.py
index f7f698f5f8bb..64029b9bc329 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -47,22 +48,18 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .client import UserEventServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
+from .client import UserEventServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +129,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_info.__func__(UserEventServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_info.__func__(
+            UserEventServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +147,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_file.__func__(UserEventServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_file.__func__(
+            UserEventServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/client.py
index f70be2aaff4b..a27d3ceaf666 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -64,20 +64,16 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import UserEventServiceGrpcTransport
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
 from .transports.rest import UserEventServiceRestTransport
@@ -91,9 +87,7 @@ class UserEventServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[UserEventServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
     _transport_registry["grpc"] = UserEventServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = UserEventServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = UserEventServiceRestTransport
@@ -669,11 +663,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = UserEventServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            UserEventServiceClient._read_environment_variables()
+        )
         self._client_cert_source = UserEventServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -708,8 +700,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(UserEventServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/__init__.py
index 771ec74658ec..d136d6cf3abb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import UserEventServiceTransport
 from .grpc import UserEventServiceGrpcTransport
 from .grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
-from .rest import UserEventServiceRestInterceptor, UserEventServiceRestTransport
+from .rest import UserEventServiceRestTransport
+from .rest import UserEventServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/base.py
index 79f375da5157..60d565dc30a6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/base.py
@@ -16,25 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-from google.cloud.discoveryengine_v1.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +261,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc.py
index 22f744b83b5d..e636cd16396b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc.py
@@ -16,29 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc_asyncio.py
index c18441a8fb15..e7270035aa5a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/grpc_asyncio.py
@@ -15,33 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import UserEventServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest.py
index e93d914728ee..3ae61e5bcfe2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest.py
@@ -13,33 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseUserEventServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -762,9 +767,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_collect_user_event(
                 request, metadata
@@ -914,9 +917,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_import_user_events(
                 request, metadata
@@ -1069,9 +1070,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_user_events(
                 request, metadata
@@ -1224,9 +1223,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_write_user_event(
                 request, metadata
@@ -1409,9 +1406,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1671,9 +1666,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseUserEventServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest_base.py
index 55a14e57a4b0..355429b12570 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_event_service/transports/rest_base.py
@@ -14,23 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
+
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
 from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
-
-from google.cloud.discoveryengine_v1.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
 
 
 class _BaseUserEventServiceRestTransport(UserEventServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/__init__.py
index acdd866e7cf5..e0ac86665fab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import UserLicenseServiceAsyncClient
 from .client import UserLicenseServiceClient
+from .async_client import UserLicenseServiceAsyncClient
 
 __all__ = (
     "UserLicenseServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/async_client.py
index dcebff58820b..82e5f158ecf4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,15 +47,14 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.user_license_service import pagers
+from google.cloud.discoveryengine_v1.types import user_license
+from google.cloud.discoveryengine_v1.types import user_license_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.user_license_service import pagers
-from google.cloud.discoveryengine_v1.types import user_license, user_license_service
-
-from .client import UserLicenseServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, UserLicenseServiceTransport
+from .transports.base import UserLicenseServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import UserLicenseServiceGrpcAsyncIOTransport
+from .client import UserLicenseServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -122,7 +122,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             UserLicenseServiceAsyncClient: The constructed client.
         """
-        return UserLicenseServiceClient.from_service_account_info.__func__(UserLicenseServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return UserLicenseServiceClient.from_service_account_info.__func__(
+            UserLicenseServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -138,7 +140,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             UserLicenseServiceAsyncClient: The constructed client.
         """
-        return UserLicenseServiceClient.from_service_account_file.__func__(UserLicenseServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return UserLicenseServiceClient.from_service_account_file.__func__(
+            UserLicenseServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -176,7 +180,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return UserLicenseServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return UserLicenseServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> UserLicenseServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/client.py
index 410ae1121a9c..83b82faddda8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,13 +63,12 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1.services.user_license_service import pagers
+from google.cloud.discoveryengine_v1.types import user_license
+from google.cloud.discoveryengine_v1.types import user_license_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1.services.user_license_service import pagers
-from google.cloud.discoveryengine_v1.types import user_license, user_license_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, UserLicenseServiceTransport
+from .transports.base import UserLicenseServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import UserLicenseServiceGrpcTransport
 from .transports.grpc_asyncio import UserLicenseServiceGrpcAsyncIOTransport
 from .transports.rest import UserLicenseServiceRestTransport
@@ -83,9 +82,7 @@ class UserLicenseServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[UserLicenseServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[UserLicenseServiceTransport]]
     _transport_registry["grpc"] = UserLicenseServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = UserLicenseServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = UserLicenseServiceRestTransport
@@ -633,11 +630,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = UserLicenseServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            UserLicenseServiceClient._read_environment_variables()
+        )
         self._client_cert_source = UserLicenseServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -672,8 +667,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(UserLicenseServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/pagers.py
index 5fbeea13004a..4f2335d6d979 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import user_license, user_license_service
+from google.cloud.discoveryengine_v1.types import user_license
+from google.cloud.discoveryengine_v1.types import user_license_service
 
 
 class ListUserLicensesPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/__init__.py
index 39a4af2019a0..c9e4f4cdfbba 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import UserLicenseServiceTransport
 from .grpc import UserLicenseServiceGrpcTransport
 from .grpc_asyncio import UserLicenseServiceGrpcAsyncIOTransport
-from .rest import UserLicenseServiceRestInterceptor, UserLicenseServiceRestTransport
+from .rest import UserLicenseServiceRestTransport
+from .rest import UserLicenseServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[UserLicenseServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[UserLicenseServiceTransport]]
 _transport_registry["grpc"] = UserLicenseServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = UserLicenseServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = UserLicenseServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/base.py
index b2e631df6c2f..0d42a1364550 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1 import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1 import gapic_version as package_version
 from google.cloud.discoveryengine_v1.types import user_license_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -221,7 +223,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc.py
index 6623b0fe8af6..b15e0a7f1e49 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import user_license_service
-
-from .base import DEFAULT_CLIENT_INFO, UserLicenseServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserLicenseServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -392,12 +394,12 @@ def batch_update_user_licenses(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_update_user_licenses" not in self._stubs:
-            self._stubs[
-                "batch_update_user_licenses"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.UserLicenseService/BatchUpdateUserLicenses",
-                request_serializer=user_license_service.BatchUpdateUserLicensesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["batch_update_user_licenses"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.UserLicenseService/BatchUpdateUserLicenses",
+                    request_serializer=user_license_service.BatchUpdateUserLicensesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["batch_update_user_licenses"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc_asyncio.py
index b3d4161debc7..cda861c5471e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import user_license_service
-
-from .base import DEFAULT_CLIENT_INFO, UserLicenseServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserLicenseServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import UserLicenseServiceGrpcTransport
 
 try:
@@ -401,12 +403,12 @@ def batch_update_user_licenses(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_update_user_licenses" not in self._stubs:
-            self._stubs[
-                "batch_update_user_licenses"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1.UserLicenseService/BatchUpdateUserLicenses",
-                request_serializer=user_license_service.BatchUpdateUserLicensesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["batch_update_user_licenses"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1.UserLicenseService/BatchUpdateUserLicenses",
+                    request_serializer=user_license_service.BatchUpdateUserLicensesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["batch_update_user_licenses"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest.py
index dd67d173a26e..7c179a7b9ac4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1.types import user_license_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseUserLicenseServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -603,9 +610,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserLicenseServiceRestTransport._BaseBatchUpdateUserLicenses._get_http_options()
-            )
+            http_options = _BaseUserLicenseServiceRestTransport._BaseBatchUpdateUserLicenses._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_update_user_licenses(
                 request, metadata
@@ -758,9 +763,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserLicenseServiceRestTransport._BaseListUserLicenses._get_http_options()
-            )
+            http_options = _BaseUserLicenseServiceRestTransport._BaseListUserLicenses._get_http_options()
 
             request, metadata = self._interceptor.pre_list_user_licenses(
                 request, metadata
@@ -860,7 +863,9 @@ def batch_update_user_licenses(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchUpdateUserLicenses(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchUpdateUserLicenses(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def list_user_licenses(
@@ -929,9 +934,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseUserLicenseServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseUserLicenseServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1052,9 +1055,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseUserLicenseServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseUserLicenseServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseUserLicenseServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1193,9 +1194,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseUserLicenseServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseUserLicenseServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseUserLicenseServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest_base.py
index 0d4ec4d25984..c60c75440c9e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/user_license_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import UserLicenseServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1.types import user_license_service
-
-from .base import DEFAULT_CLIENT_INFO, UserLicenseServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseUserLicenseServiceRestTransport(UserLicenseServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/__init__.py
index 839ab2e31bfc..11a53517c21b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/__init__.py
@@ -13,15 +13,25 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .answer import Answer
-from .assist_answer import AssistAnswer, AssistantContent, AssistantGroundedContent
-from .assistant import Assistant
+from .answer import (
+    Answer,
+)
+from .assist_answer import (
+    AssistAnswer,
+    AssistantContent,
+    AssistantGroundedContent,
+)
+from .assistant import (
+    Assistant,
+)
 from .assistant_service import (
     AssistUserMetadata,
     StreamAssistRequest,
     StreamAssistResponse,
 )
-from .chunk import Chunk
+from .chunk import (
+    Chunk,
+)
 from .cmek_config_service import (
     CmekConfig,
     DeleteCmekConfigMetadata,
@@ -37,19 +47,28 @@
     CustomAttribute,
     DoubleList,
     HealthcareFhirConfig,
-    IndustryVertical,
     Interval,
     Principal,
-    SearchAddOn,
     SearchLinkPromotion,
+    UserInfo,
+    IndustryVertical,
+    SearchAddOn,
     SearchTier,
     SearchUseCase,
     SolutionType,
-    UserInfo,
 )
-from .completion import CompletionSuggestion, SuggestionDenyListEntry
-from .completion_service import CompleteQueryRequest, CompleteQueryResponse
-from .control import Condition, Control
+from .completion import (
+    CompletionSuggestion,
+    SuggestionDenyListEntry,
+)
+from .completion_service import (
+    CompleteQueryRequest,
+    CompleteQueryResponse,
+)
+from .control import (
+    Condition,
+    Control,
+)
 from .control_service import (
     CreateControlRequest,
     DeleteControlRequest,
@@ -84,8 +103,14 @@
     UpdateConversationRequest,
     UpdateSessionRequest,
 )
-from .custom_tuning_model import CustomTuningModel
-from .data_store import AdvancedSiteSearchConfig, DataStore, WorkspaceConfig
+from .custom_tuning_model import (
+    CustomTuningModel,
+)
+from .data_store import (
+    AdvancedSiteSearchConfig,
+    DataStore,
+    WorkspaceConfig,
+)
 from .data_store_service import (
     CreateDataStoreMetadata,
     CreateDataStoreRequest,
@@ -96,8 +121,12 @@
     ListDataStoresResponse,
     UpdateDataStoreRequest,
 )
-from .document import Document
-from .document_processing_config import DocumentProcessingConfig
+from .document import (
+    Document,
+)
+from .document_processing_config import (
+    DocumentProcessingConfig,
+)
 from .document_service import (
     BatchGetDocumentsMetadataRequest,
     BatchGetDocumentsMetadataResponse,
@@ -108,7 +137,9 @@
     ListDocumentsResponse,
     UpdateDocumentRequest,
 )
-from .engine import Engine
+from .engine import (
+    Engine,
+)
 from .engine_service import (
     CreateEngineMetadata,
     CreateEngineRequest,
@@ -127,8 +158,14 @@
     GenerateGroundedContentResponse,
     GroundedGenerationContent,
 )
-from .grounding import FactChunk, GroundingFact
-from .identity_mapping_store import IdentityMappingEntry, IdentityMappingStore
+from .grounding import (
+    FactChunk,
+    GroundingFact,
+)
+from .identity_mapping_store import (
+    IdentityMappingEntry,
+    IdentityMappingStore,
+)
 from .identity_mapping_store_service import (
     CreateIdentityMappingStoreRequest,
     DeleteIdentityMappingStoreMetadata,
@@ -167,8 +204,13 @@
     ImportUserEventsResponse,
     SpannerSource,
 )
-from .project import Project
-from .project_service import ProvisionProjectMetadata, ProvisionProjectRequest
+from .project import (
+    Project,
+)
+from .project_service import (
+    ProvisionProjectMetadata,
+    ProvisionProjectRequest,
+)
 from .purge_config import (
     PurgeCompletionSuggestionsMetadata,
     PurgeCompletionSuggestionsRequest,
@@ -184,10 +226,22 @@
     PurgeUserEventsRequest,
     PurgeUserEventsResponse,
 )
-from .rank_service import RankingRecord, RankRequest, RankResponse
-from .recommendation_service import RecommendRequest, RecommendResponse
-from .safety import HarmCategory, SafetyRating
-from .schema import Schema
+from .rank_service import (
+    RankingRecord,
+    RankRequest,
+    RankResponse,
+)
+from .recommendation_service import (
+    RecommendRequest,
+    RecommendResponse,
+)
+from .safety import (
+    SafetyRating,
+    HarmCategory,
+)
+from .schema import (
+    Schema,
+)
 from .schema_service import (
     CreateSchemaMetadata,
     CreateSchemaRequest,
@@ -199,7 +253,10 @@
     UpdateSchemaMetadata,
     UpdateSchemaRequest,
 )
-from .search_service import SearchRequest, SearchResponse
+from .search_service import (
+    SearchRequest,
+    SearchResponse,
+)
 from .search_tuning_service import (
     ListCustomModelsRequest,
     ListCustomModelsResponse,
@@ -207,9 +264,16 @@
     TrainCustomModelRequest,
     TrainCustomModelResponse,
 )
-from .serving_config import ServingConfig
-from .serving_config_service import UpdateServingConfigRequest
-from .session import Query, Session
+from .serving_config import (
+    ServingConfig,
+)
+from .serving_config_service import (
+    UpdateServingConfigRequest,
+)
+from .session import (
+    Query,
+    Session,
+)
 from .site_search_engine import (
     Sitemap,
     SiteSearchEngine,
@@ -261,8 +325,13 @@
     TransactionInfo,
     UserEvent,
 )
-from .user_event_service import CollectUserEventRequest, WriteUserEventRequest
-from .user_license import UserLicense
+from .user_event_service import (
+    CollectUserEventRequest,
+    WriteUserEventRequest,
+)
+from .user_license import (
+    UserLicense,
+)
 from .user_license_service import (
     BatchUpdateUserLicensesMetadata,
     BatchUpdateUserLicensesRequest,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/answer.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/answer.py
index 39c29ccfbabd..493c7410d30e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/answer.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/answer.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import safety
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -88,6 +89,7 @@ class State(proto.Enum):
             STREAMING (4):
                 Answer generation is currently in progress.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         FAILED = 2
@@ -161,6 +163,7 @@ class AnswerSkippedReason(proto.Enum):
                 is not answerable, the answer is not relevant to
                 the query, or the answer is not well-formatted.
         """
+
         ANSWER_SKIPPED_REASON_UNSPECIFIED = 0
         ADVERSARIAL_QUERY_IGNORED = 1
         NON_ANSWER_SEEKING_QUERY_IGNORED = 2
@@ -544,6 +547,7 @@ class State(proto.Enum):
                 SUCCEEDED (3):
                     Step has succeeded.
             """
+
             STATE_UNSPECIFIED = 0
             IN_PROGRESS = 1
             FAILED = 2
@@ -772,6 +776,7 @@ class Type(proto.Enum):
                     USER_DEFINED_CLASSIFICATION_QUERY (5):
                         User defined query classification type.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assist_answer.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assist_answer.py
index 3709ae87a66c..ae6e3f4d4cc3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assist_answer.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assist_answer.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -63,6 +64,7 @@ class State(proto.Enum):
             SKIPPED (4):
                 Assist operation has been skipped.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         FAILED = 2
@@ -84,6 +86,7 @@ class AssistSkippedReason(proto.Enum):
                 (e.g., the query or the answer contained a
                 banned phrase).
         """
+
         ASSIST_SKIPPED_REASON_UNSPECIFIED = 0
         NON_ASSIST_SEEKING_QUERY_IGNORED = 1
         CUSTOMER_POLICY_VIOLATION = 2
@@ -253,6 +256,7 @@ class Outcome(proto.Enum):
                     cancelled. There may or may not be a partial
                     output present.
             """
+
             OUTCOME_UNSPECIFIED = 0
             OUTCOME_OK = 1
             OUTCOME_FAILED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant.py
index 16f301e40e2c..f204df5ffdf3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant_service.py
index ccee1a3bff80..f2ddb772b23c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/assistant_service.py
@@ -19,9 +19,11 @@
 
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import assist_answer, search_service
+from google.cloud.discoveryengine_v1.types import assist_answer
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import session as gcd_session
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/chunk.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/chunk.py
index c476c9ea4e8f..fbf6b6795333 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/chunk.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/chunk.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -92,6 +94,7 @@ class StructureType(proto.Enum):
             CHECKBOX_STRUCTURE (3):
                 Checkbox structure.
         """
+
         STRUCTURE_TYPE_UNSPECIFIED = 0
         SHAREHOLDER_STRUCTURE = 1
         SIGNATURE_STRUCTURE = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/cmek_config_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/cmek_config_service.py
index 378cd38ad0b7..d6fc4c03ef00 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/cmek_config_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/cmek_config_service.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -156,6 +158,7 @@ class State(proto.Enum):
                 The KMS key is soft deleted. Some cleanup
                 policy will eventually be applied.
         """
+
         STATE_UNSPECIFIED = 0
         CREATING = 1
         ACTIVE = 2
@@ -179,6 +182,7 @@ class NotebookLMState(proto.Enum):
             NOTEBOOK_LM_NOT_ENABLED (3):
                 The NotebookLM is not enabled.
         """
+
         NOTEBOOK_LM_STATE_UNSPECIFIED = 0
         NOTEBOOK_LM_NOT_READY = 1
         NOTEBOOK_LM_READY = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/common.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/common.py
index ee09c5fad591..cef3124914a4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/common.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/common.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -53,6 +54,7 @@ class IndustryVertical(proto.Enum):
         HEALTHCARE_FHIR (7):
             The healthcare FHIR vertical.
     """
+
     INDUSTRY_VERTICAL_UNSPECIFIED = 0
     GENERIC = 1
     MEDIA = 2
@@ -78,6 +80,7 @@ class SolutionType(proto.Enum):
             data stores must enrolled with ``SOLUTION_TYPE_CHAT``
             solution.
     """
+
     SOLUTION_TYPE_UNSPECIFIED = 0
     SOLUTION_TYPE_RECOMMENDATION = 1
     SOLUTION_TYPE_SEARCH = 2
@@ -100,6 +103,7 @@ class SearchUseCase(proto.Enum):
             Browse use case. Expects the traffic has an empty
             [query][google.cloud.discoveryengine.v1.SearchRequest.query].
     """
+
     SEARCH_USE_CASE_UNSPECIFIED = 0
     SEARCH_USE_CASE_SEARCH = 1
     SEARCH_USE_CASE_BROWSE = 2
@@ -119,6 +123,7 @@ class SearchTier(proto.Enum):
         SEARCH_TIER_ENTERPRISE (2):
             Enterprise tier.
     """
+
     SEARCH_TIER_UNSPECIFIED = 0
     SEARCH_TIER_STANDARD = 1
     SEARCH_TIER_ENTERPRISE = 2
@@ -134,6 +139,7 @@ class SearchAddOn(proto.Enum):
         SEARCH_ADD_ON_LLM (1):
             Large language model add-on.
     """
+
     SEARCH_ADD_ON_UNSPECIFIED = 0
     SEARCH_ADD_ON_LLM = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion.py
index f7f45960f38e..a60f40ec2d84 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -54,6 +55,7 @@ class MatchOperator(proto.Enum):
             CONTAINS (2):
                 If the suggestion contains the block_phrase, then block it.
         """
+
         MATCH_OPERATOR_UNSPECIFIED = 0
         EXACT_MATCH = 1
         CONTAINS = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion_service.py
index d4c75d5e46c4..b0a4964c8f2f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/completion_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -46,24 +47,24 @@ class CompleteQueryRequest(proto.Message):
             model specified in the Configuration > Autocomplete section
             of the Cloud console. Currently supported values:
 
-            - ``document`` - Using suggestions generated from
-              user-imported documents.
-            - ``search-history`` - Using suggestions generated from the
-              past history of
-              [SearchService.Search][google.cloud.discoveryengine.v1.SearchService.Search]
-              API calls. Do not use it when there is no traffic for
-              Search API.
-            - ``user-event`` - Using suggestions generated from
-              user-imported search events.
-            - ``document-completable`` - Using suggestions taken
-              directly from user-imported document fields marked as
-              completable.
+            -  ``document`` - Using suggestions generated from
+               user-imported documents.
+            -  ``search-history`` - Using suggestions generated from the
+               past history of
+               [SearchService.Search][google.cloud.discoveryengine.v1.SearchService.Search]
+               API calls. Do not use it when there is no traffic for
+               Search API.
+            -  ``user-event`` - Using suggestions generated from
+               user-imported search events.
+            -  ``document-completable`` - Using suggestions taken
+               directly from user-imported document fields marked as
+               completable.
 
             Default values:
 
-            - ``document`` is the default model for regular dataStores.
-            - ``search-history`` is the default model for site search
-              dataStores.
+            -  ``document`` is the default model for regular dataStores.
+            -  ``search-history`` is the default model for site search
+               dataStores.
         user_pseudo_id (str):
             A unique identifier for tracking visitors. For example, this
             could be implemented with an HTTP cookie, which should be
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control.py
index 8d8b1e4a4bf0..e9d13f0ef8e6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -282,6 +283,7 @@ class AttributeType(proto.Enum):
                         ``[nD][T[nH][nM][nS]]``. For example, ``5D``, ``3DT12H30M``,
                         ``T24H``.
                 """
+
                 ATTRIBUTE_TYPE_UNSPECIFIED = 0
                 NUMERICAL = 1
                 FRESHNESS = 2
@@ -298,6 +300,7 @@ class InterpolationType(proto.Enum):
                         Piecewise linear interpolation will be
                         applied.
                 """
+
                 INTERPOLATION_TYPE_UNSPECIFIED = 0
                 LINEAR = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control_service.py
index b32fe3220982..0cb38d0b1e38 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/control_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import control as gcd_control
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -80,8 +81,8 @@ class UpdateControlRequest(proto.Message):
             [Control][google.cloud.discoveryengine.v1.Control] to
             update. The following are NOT supported:
 
-            - [Control.name][google.cloud.discoveryengine.v1.Control.name]
-            - [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
+            -  [Control.name][google.cloud.discoveryengine.v1.Control.name]
+            -  [Control.solution_type][google.cloud.discoveryengine.v1.Control.solution_type]
 
             If not set or empty, all supported fields are updated.
     """
@@ -150,9 +151,9 @@ class ListControlsRequest(proto.Message):
             Optional. A filter to apply on the list results. Supported
             features:
 
-            - List all the products under the parent branch if
-              [filter][google.cloud.discoveryengine.v1.ListControlsRequest.filter]
-              is unset. Currently this field is unsupported.
+            -  List all the products under the parent branch if
+               [filter][google.cloud.discoveryengine.v1.ListControlsRequest.filter]
+               is unset. Currently this field is unsupported.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversation.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversation.py
index 45179ba30683..f8f3e975f068 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversation.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversation.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -68,6 +69,7 @@ class State(proto.Enum):
             COMPLETED (2):
                 Conversation has been completed.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         COMPLETED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversational_search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversational_search_service.py
index d12fbaea8277..9eb90135bdac 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/conversational_search_service.py
@@ -17,13 +17,15 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1.types import answer as gcd_answer
-from google.cloud.discoveryengine_v1.types import safety, search_service
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1.types import safety
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -80,20 +82,20 @@ class ConverseConversationRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -197,12 +199,12 @@ class ConverseConversationResponse(proto.Message):
         number=2,
         message=gcd_conversation.Conversation,
     )
-    search_results: MutableSequence[
-        search_service.SearchResponse.SearchResult
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=3,
-        message=search_service.SearchResponse.SearchResult,
+    search_results: MutableSequence[search_service.SearchResponse.SearchResult] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=3,
+            message=search_service.SearchResponse.SearchResult,
+        )
     )
 
 
@@ -239,7 +241,7 @@ class UpdateConversationRequest(proto.Message):
             [Conversation][google.cloud.discoveryengine.v1.Conversation]
             to update. The following are NOT supported:
 
-            - [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
+            -  [Conversation.name][google.cloud.discoveryengine.v1.Conversation.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -312,9 +314,9 @@ class ListConversationsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``conversation_name``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``conversation_name``
 
             Example: "update_time desc" "create_time".
     """
@@ -435,20 +437,20 @@ class AnswerQueryRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -502,6 +504,7 @@ class HarmBlockThreshold(proto.Enum):
                     OFF (5):
                         Turn off the safety filter.
                 """
+
                 HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0
                 BLOCK_LOW_AND_ABOVE = 1
                 BLOCK_MEDIUM_AND_ABOVE = 2
@@ -573,6 +576,7 @@ class FilteringLevel(proto.Enum):
                 FILTERING_LEVEL_HIGH (2):
                     Filter answers based on a high threshold.
             """
+
             FILTERING_LEVEL_UNSPECIFIED = 0
             FILTERING_LEVEL_LOW = 1
             FILTERING_LEVEL_HIGH = 2
@@ -1095,6 +1099,7 @@ class Type(proto.Enum):
                     USER_DEFINED_CLASSIFICATION_QUERY (5):
                         User defined query classification type.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
@@ -1150,6 +1155,7 @@ class ModelType(proto.Enum):
                             Large query rephraser model. Gemini 1.0 Pro
                             model.
                     """
+
                     MODEL_TYPE_UNSPECIFIED = 0
                     SMALL = 1
                     LARGE = 2
@@ -1412,7 +1418,7 @@ class UpdateSessionRequest(proto.Message):
             [Session][google.cloud.discoveryengine.v1.Session] to
             update. The following are NOT supported:
 
-            - [Session.name][google.cloud.discoveryengine.v1.Session.name]
+            -  [Session.name][google.cloud.discoveryengine.v1.Session.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -1485,14 +1491,14 @@ class ListSessionsRequest(proto.Message):
             A comma-separated list of fields to filter by, in EBNF
             grammar. The supported fields are:
 
-            - ``user_pseudo_id``
-            - ``state``
-            - ``display_name``
-            - ``starred``
-            - ``is_pinned``
-            - ``labels``
-            - ``create_time``
-            - ``update_time``
+            -  ``user_pseudo_id``
+            -  ``state``
+            -  ``display_name``
+            -  ``starred``
+            -  ``is_pinned``
+            -  ``labels``
+            -  ``create_time``
+            -  ``update_time``
 
             Examples: "user_pseudo_id = some_id" "display_name =
             "some_name"" "starred = true" "is_pinned=true AND (NOT
@@ -1502,17 +1508,17 @@ class ListSessionsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``session_name``
-            - ``is_pinned``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``session_name``
+            -  ``is_pinned``
 
             Example:
 
-            - "update_time desc"
-            - "create_time"
-            - "is_pinned desc,update_time desc": list sessions by
-              is_pinned first, then by update_time.
+            -  "update_time desc"
+            -  "create_time"
+            -  "is_pinned desc,update_time desc": list sessions by
+               is_pinned first, then by update_time.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/custom_tuning_model.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/custom_tuning_model.py
index d4eacc8b57c8..92076f07c356 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/custom_tuning_model.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/custom_tuning_model.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -83,6 +85,7 @@ class ModelState(proto.Enum):
                 Input data validation failed. Model training
                 didn't start.
         """
+
         MODEL_STATE_UNSPECIFIED = 0
         TRAINING_PAUSED = 1
         TRAINING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store.py
index 397e4dce92ba..c3fa1ad63105 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store.py
@@ -17,14 +17,16 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1.types import cmek_config_service, common
 from google.cloud.discoveryengine_v1.types import schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -62,10 +64,11 @@ class DataStore(proto.Message):
             solutions for each
             [industry_vertical][google.cloud.discoveryengine.v1.DataStore.industry_vertical]:
 
-            - ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
-              ``SOLUTION_TYPE_SEARCH``.
-            - ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is automatically
-              enrolled. Other solutions cannot be enrolled.
+            -  ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
+               ``SOLUTION_TYPE_SEARCH``.
+            -  ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is
+               automatically enrolled. Other solutions cannot be
+               enrolled.
         default_schema_id (str):
             Output only. The id of the default
             [Schema][google.cloud.discoveryengine.v1.Schema] associated
@@ -174,6 +177,7 @@ class ContentConfig(proto.Enum):
                 workspace data store are specified in the
                 [WorkspaceConfig][google.cloud.discoveryengine.v1.WorkspaceConfig].
         """
+
         CONTENT_CONFIG_UNSPECIFIED = 0
         NO_CONTENT = 1
         CONTENT_REQUIRED = 2
@@ -384,6 +388,7 @@ class Type(proto.Enum):
             GOOGLE_PEOPLE (8):
                 Workspace Data Store contains People data
         """
+
         TYPE_UNSPECIFIED = 0
         GOOGLE_DRIVE = 1
         GOOGLE_MAIL = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store_service.py
index 6415db9c91d7..475a252458c6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/data_store_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document.py
index aa775043afc9..f5c67545a562 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1.types import common
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import common
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -99,12 +100,12 @@ class Document(proto.Message):
         index_status (google.cloud.discoveryengine_v1.types.Document.IndexStatus):
             Output only. The index status of the document.
 
-            - If document is indexed successfully, the index_time field
-              is populated.
-            - Otherwise, if document is not indexed due to errors, the
-              error_samples field is populated.
-            - Otherwise, if document's index is in progress, the
-              pending_message field is populated.
+            -  If document is indexed successfully, the index_time field
+               is populated.
+            -  Otherwise, if document is not indexed due to errors, the
+               error_samples field is populated.
+            -  Otherwise, if document's index is in progress, the
+               pending_message field is populated.
     """
 
     class Content(proto.Message):
@@ -140,28 +141,28 @@ class Content(proto.Message):
             mime_type (str):
                 The MIME type of the content. Supported types:
 
-                - ``application/pdf`` (PDF, only native PDFs are supported
-                  for now)
-                - ``text/html`` (HTML)
-                - ``text/plain`` (TXT)
-                - ``application/xml`` or ``text/xml`` (XML)
-                - ``application/json`` (JSON)
-                - ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
-                  (DOCX)
-                - ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
-                  (PPTX)
-                - ``application/vnd.openxmlformats-officedocument.spreadsheetml.sheet``
-                  (XLSX)
-                - ``application/vnd.ms-excel.sheet.macroenabled.12`` (XLSM)
+                -  ``application/pdf`` (PDF, only native PDFs are supported
+                   for now)
+                -  ``text/html`` (HTML)
+                -  ``text/plain`` (TXT)
+                -  ``application/xml`` or ``text/xml`` (XML)
+                -  ``application/json`` (JSON)
+                -  ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
+                   (DOCX)
+                -  ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
+                   (PPTX)
+                -  ``application/vnd.openxmlformats-officedocument.spreadsheetml.sheet``
+                   (XLSX)
+                -  ``application/vnd.ms-excel.sheet.macroenabled.12`` (XLSM)
 
                 The following types are supported only if layout parser is
                 enabled in the data store:
 
-                - ``image/bmp`` (BMP)
-                - ``image/gif`` (GIF)
-                - ``image/jpeg`` (JPEG)
-                - ``image/png`` (PNG)
-                - ``image/tiff`` (TIFF)
+                -  ``image/bmp`` (BMP)
+                -  ``image/gif`` (GIF)
+                -  ``image/jpeg`` (JPEG)
+                -  ``image/png`` (PNG)
+                -  ``image/tiff`` (TIFF)
 
                 See
                 https://www.iana.org/assignments/media-types/media-types.xhtml.
@@ -226,12 +227,12 @@ class AccessRestriction(proto.Message):
                 number=2,
             )
 
-        readers: MutableSequence[
-            "Document.AclInfo.AccessRestriction"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message="Document.AclInfo.AccessRestriction",
+        readers: MutableSequence["Document.AclInfo.AccessRestriction"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message="Document.AclInfo.AccessRestriction",
+            )
         )
 
     class IndexStatus(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_processing_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_processing_config.py
index 319afeb26b8d..26b895121053 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_processing_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_processing_config.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -53,19 +54,19 @@ class DocumentProcessingConfig(proto.Message):
             Map from file type to override the default parsing
             configuration based on the file type. Supported keys:
 
-            - ``pdf``: Override parsing config for PDF files, either
-              digital parsing, ocr parsing or layout parsing is
-              supported.
-            - ``html``: Override parsing config for HTML files, only
-              digital parsing and layout parsing are supported.
-            - ``docx``: Override parsing config for DOCX files, only
-              digital parsing and layout parsing are supported.
-            - ``pptx``: Override parsing config for PPTX files, only
-              digital parsing and layout parsing are supported.
-            - ``xlsm``: Override parsing config for XLSM files, only
-              digital parsing and layout parsing are supported.
-            - ``xlsx``: Override parsing config for XLSX files, only
-              digital parsing and layout parsing are supported.
+            -  ``pdf``: Override parsing config for PDF files, either
+               digital parsing, ocr parsing or layout parsing is
+               supported.
+            -  ``html``: Override parsing config for HTML files, only
+               digital parsing and layout parsing are supported.
+            -  ``docx``: Override parsing config for DOCX files, only
+               digital parsing and layout parsing are supported.
+            -  ``pptx``: Override parsing config for PPTX files, only
+               digital parsing and layout parsing are supported.
+            -  ``xlsm``: Override parsing config for XLSM files, only
+               digital parsing and layout parsing are supported.
+            -  ``xlsx``: Override parsing config for XLSX files, only
+               digital parsing and layout parsing are supported.
     """
 
     class ChunkingConfig(proto.Message):
@@ -179,7 +180,7 @@ class LayoutParsingConfig(proto.Message):
                     Optional. Contains the required structure types to extract
                     from the document. Supported values:
 
-                    - ``shareholder-structure``
+                    -  ``shareholder-structure``
                 exclude_html_elements (MutableSequence[str]):
                     Optional. List of HTML elements to exclude
                     from the parsed content.
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_service.py
index 6a4718de16f0..86428fcc0ebc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/document_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -391,6 +392,7 @@ class State(proto.Enum):
                 The [Document][google.cloud.discoveryengine.v1.Document] is
                 not indexed.
         """
+
         STATE_UNSPECIFIED = 0
         INDEXED = 1
         NOT_IN_TARGET_SITE = 2
@@ -416,10 +418,10 @@ class DocumentMetadata(proto.Message):
 
                 Allowed values are:
 
-                - ``batch``: Data ingested via Batch API, e.g.,
-                  ImportDocuments.
-                - ``streaming`` Data ingested via Streaming API, e.g., FHIR
-                  streaming.
+                -  ``batch``: Data ingested via Batch API, e.g.,
+                   ImportDocuments.
+                -  ``streaming`` Data ingested via Streaming API, e.g., FHIR
+                   streaming.
         """
 
         class MatcherValue(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine.py
index 6269a62ef070..91e1b5c1c55b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -229,6 +230,7 @@ class TrainingState(proto.Enum):
                 TRAINING (2):
                     The engine is training.
             """
+
             TRAINING_STATE_UNSPECIFIED = 0
             PAUSED = 1
             TRAINING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine_service.py
index 484dbbcd23e3..bda9bc1bce32 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/engine_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounded_generation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounded_generation_service.py
index 31c733582e6a..c66b6a0ad47e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounded_generation_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1.types import grounding
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -108,20 +109,20 @@ class GenerateGroundedContentRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -258,6 +259,7 @@ class Version(proto.Enum):
                         The V1 model which is evaluating each source
                         independently.
                 """
+
                 VERSION_UNSPECIFIED = 0
                 V1_INDEPENDENT = 1
 
@@ -325,12 +327,12 @@ class InlineSource(proto.Message):
                     author of the content).
             """
 
-            grounding_facts: MutableSequence[
-                grounding.GroundingFact
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=1,
-                message=grounding.GroundingFact,
+            grounding_facts: MutableSequence[grounding.GroundingFact] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=1,
+                    message=grounding.GroundingFact,
+                )
             )
             attributes: MutableMapping[str, str] = proto.MapField(
                 proto.STRING,
@@ -558,6 +560,7 @@ class Source(proto.Enum):
                         GOOGLE_MAPS (4):
                             Google Maps.
                     """
+
                     SOURCE_UNSPECIFIED = 0
                     VERTEX_AI_SEARCH = 1
                     GOOGLE_SEARCH = 3
@@ -620,6 +623,7 @@ class Version(proto.Enum):
                             The V1 model which is evaluating each source
                             independently.
                     """
+
                     VERSION_UNSPECIFIED = 0
                     V1_INDEPENDENT = 1
 
@@ -882,20 +886,20 @@ class CheckGroundingRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounding.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounding.py
index 8fa92a7cdabd..e7d5dc3bd0b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounding.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/grounding.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store.py
index 9d8d066786de..311b1073eab2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1.types import cmek_config_service
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store_service.py
index 1cce182f70d0..614f02447567 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/identity_mapping_store_service.py
@@ -17,13 +17,14 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -229,17 +230,17 @@ class PurgeIdentityMappingsRequest(proto.Message):
             Filter matching identity mappings to purge. The eligible
             field for filtering is:
 
-            - ``update_time``: in ISO 8601 "zulu" format.
-            - ``external_id``
+            -  ``update_time``: in ISO 8601 "zulu" format.
+            -  ``external_id``
 
             Examples:
 
-            - Deleting all identity mappings updated in a time range:
-              ``update_time > "2012-04-23T18:25:43.511Z" AND update_time < "2012-04-23T18:30:43.511Z"``
-            - Deleting all identity mappings for a given external_id:
-              ``external_id = "id1"``
-            - Deleting all identity mappings inside an identity mapping
-              store: ``*``
+            -  Deleting all identity mappings updated in a time range:
+               ``update_time > "2012-04-23T18:25:43.511Z" AND update_time < "2012-04-23T18:30:43.511Z"``
+            -  Deleting all identity mappings for a given external_id:
+               ``external_id = "id1"``
+            -  Deleting all identity mappings inside an identity mapping
+               store: ``*``
 
             The filtering fields are assumed to have an implicit AND.
             Should not be used with source. An error will be thrown, if
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/import_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/import_config.py
index 8aa69e0939e7..5565ab28551e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/import_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/import_config.py
@@ -17,13 +17,16 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1.types import completion
+from google.cloud.discoveryengine_v1.types import document
+from google.cloud.discoveryengine_v1.types import user_event
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import completion, document, user_event
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -73,30 +76,30 @@ class GcsSource(proto.Message):
 
             Supported values for document imports:
 
-            - ``document`` (default): One JSON
-              [Document][google.cloud.discoveryengine.v1.Document] per
-              line. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1.Document.id].
-            - ``content``: Unstructured data (e.g. PDF, HTML). Each file
-              matched by ``input_uris`` becomes a document, with the ID
-              set to the first 128 bits of SHA256(URI) encoded as a hex
-              string.
-            - ``custom``: One custom data JSON per row in arbitrary
-              format that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1.Schema] of the
-              data store. This can only be used by the GENERIC Data
-              Store vertical.
-            - ``csv``: A CSV file with header conforming to the defined
-              [Schema][google.cloud.discoveryengine.v1.Schema] of the
-              data store. Each entry after the header is imported as a
-              Document. This can only be used by the GENERIC Data Store
-              vertical.
+            -  ``document`` (default): One JSON
+               [Document][google.cloud.discoveryengine.v1.Document] per
+               line. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1.Document.id].
+            -  ``content``: Unstructured data (e.g. PDF, HTML). Each
+               file matched by ``input_uris`` becomes a document, with
+               the ID set to the first 128 bits of SHA256(URI) encoded
+               as a hex string.
+            -  ``custom``: One custom data JSON per row in arbitrary
+               format that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1.Schema] of the
+               data store. This can only be used by the GENERIC Data
+               Store vertical.
+            -  ``csv``: A CSV file with header conforming to the defined
+               [Schema][google.cloud.discoveryengine.v1.Schema] of the
+               data store. Each entry after the header is imported as a
+               Document. This can only be used by the GENERIC Data Store
+               vertical.
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One JSON
-              [UserEvent][google.cloud.discoveryengine.v1.UserEvent] per
-              line.
+            -  ``user_event`` (default): One JSON
+               [UserEvent][google.cloud.discoveryengine.v1.UserEvent]
+               per line.
     """
 
     input_uris: MutableSequence[str] = proto.RepeatedField(
@@ -143,25 +146,25 @@ class BigQuerySource(proto.Message):
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One
-              [UserEvent][google.cloud.discoveryengine.v1.UserEvent] per
-              row.
+            -  ``user_event`` (default): One
+               [UserEvent][google.cloud.discoveryengine.v1.UserEvent]
+               per row.
 
             Supported values for document imports:
 
-            - ``document`` (default): One
-              [Document][google.cloud.discoveryengine.v1.Document]
-              format per row. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1.Document.id]
-              and one of
-              [Document.json_data][google.cloud.discoveryengine.v1.Document.json_data]
-              or
-              [Document.struct_data][google.cloud.discoveryengine.v1.Document.struct_data].
-            - ``custom``: One custom data per row in arbitrary format
-              that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1.Schema] of the
-              data store. This can only be used by the GENERIC Data
-              Store vertical.
+            -  ``document`` (default): One
+               [Document][google.cloud.discoveryengine.v1.Document]
+               format per row. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1.Document.id]
+               and one of
+               [Document.json_data][google.cloud.discoveryengine.v1.Document.json_data]
+               or
+               [Document.struct_data][google.cloud.discoveryengine.v1.Document.struct_data].
+            -  ``custom``: One custom data per row in arbitrary format
+               that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1.Schema] of the
+               data store. This can only be used by the GENERIC Data
+               Store vertical.
     """
 
     partition_date: date_pb2.Date = proto.Field(
@@ -278,6 +281,7 @@ class Type(proto.Enum):
             JSON (7):
                 JSON type.
         """
+
         TYPE_UNSPECIFIED = 0
         STRING = 1
         NUMBER = 2
@@ -298,6 +302,7 @@ class Encoding(proto.Enum):
             BINARY (2):
                 Binary encoding.
         """
+
         ENCODING_UNSPECIFIED = 0
         TEXT = 1
         BINARY = 2
@@ -317,11 +322,11 @@ class BigtableColumnFamily(proto.Message):
                 The encoding mode of the values when the type is not STRING.
                 Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -346,12 +351,12 @@ class BigtableColumnFamily(proto.Message):
             number=3,
             enum="BigtableOptions.Type",
         )
-        columns: MutableSequence[
-            "BigtableOptions.BigtableColumn"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=4,
-            message="BigtableOptions.BigtableColumn",
+        columns: MutableSequence["BigtableOptions.BigtableColumn"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=4,
+                message="BigtableOptions.BigtableColumn",
+            )
         )
 
     class BigtableColumn(proto.Message):
@@ -373,11 +378,11 @@ class BigtableColumn(proto.Message):
                 The encoding mode of the values when the type is not
                 ``STRING``. Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -979,18 +984,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1.BigtableSource].
         id_field (str):
             The field indicates the ID field or column to be used as
             unique IDs of the documents.
@@ -1019,18 +1024,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1.BigtableSource].
         force_refresh_content (bool):
             Optional. Whether to force refresh the unstructured content
             of the documents.
@@ -1056,6 +1061,7 @@ class ReconciliationMode(proto.Enum):
                 deleted if they are not present in the source
                 location.
         """
+
         RECONCILIATION_MODE_UNSPECIFIED = 0
         INCREMENTAL = 1
         FULL = 2
@@ -1218,8 +1224,8 @@ class ImportSuggestionDenyListEntriesRequest(proto.Message):
             import. Supported values ``gcs_source.schema`` for
             autocomplete suggestion deny list entry imports:
 
-            - ``suggestion_deny_list`` (default): One JSON
-              [SuggestionDenyListEntry] per line.
+            -  ``suggestion_deny_list`` (default): One JSON
+               [SuggestionDenyListEntry] per line.
 
             This field is a member of `oneof`_ ``source``.
         parent (str):
@@ -1237,12 +1243,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        entries: MutableSequence[
-            completion.SuggestionDenyListEntry
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.SuggestionDenyListEntry,
+        entries: MutableSequence[completion.SuggestionDenyListEntry] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.SuggestionDenyListEntry,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
@@ -1365,12 +1371,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        suggestions: MutableSequence[
-            completion.CompletionSuggestion
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.CompletionSuggestion,
+        suggestions: MutableSequence[completion.CompletionSuggestion] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.CompletionSuggestion,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project.py
index 23ec2dc21bae..f901376b3bbc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -60,11 +62,11 @@ class ServiceTerms(proto.Message):
                 The unique identifier of this terms of service. Available
                 terms:
 
-                - ``GA_DATA_USE_TERMS``: `Terms for data
-                  use <https://cloud.google.com/retail/data-use-terms>`__.
-                  When using this as ``id``, the acceptable
-                  [version][google.cloud.discoveryengine.v1.Project.ServiceTerms.version]
-                  to provide is ``2022-11-23``.
+                -  ``GA_DATA_USE_TERMS``: `Terms for data
+                   use <https://cloud.google.com/retail/data-use-terms>`__.
+                   When using this as ``id``, the acceptable
+                   [version][google.cloud.discoveryengine.v1.Project.ServiceTerms.version]
+                   to provide is ``2022-11-23``.
             version (str):
                 The version string of the terms of service. For acceptable
                 values, see the comments for
@@ -98,6 +100,7 @@ class State(proto.Enum):
                     The project has declined or revoked the
                     agreement to terms of service.
             """
+
             STATE_UNSPECIFIED = 0
             TERMS_ACCEPTED = 1
             TERMS_PENDING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project_service.py
index 77670cbe94f3..511d8935b370 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/project_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/purge_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/purge_config.py
index 74cbdd1f53f1..5094d0ed66e0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/purge_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/purge_config.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import import_config
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -56,28 +57,28 @@ class PurgeUserEventsRequest(proto.Message):
             deleted with a length limit of 5,000 characters. The
             eligible fields for filtering are:
 
-            - ``eventType``: Double quoted
-              [UserEvent.event_type][google.cloud.discoveryengine.v1.UserEvent.event_type]
-              string.
-            - ``eventTime``: in ISO 8601 "zulu" format.
-            - ``userPseudoId``: Double quoted string. Specifying this
-              will delete all events associated with a visitor.
-            - ``userId``: Double quoted string. Specifying this will
-              delete all events associated with a user.
+            -  ``eventType``: Double quoted
+               [UserEvent.event_type][google.cloud.discoveryengine.v1.UserEvent.event_type]
+               string.
+            -  ``eventTime``: in ISO 8601 "zulu" format.
+            -  ``userPseudoId``: Double quoted string. Specifying this
+               will delete all events associated with a visitor.
+            -  ``userId``: Double quoted string. Specifying this will
+               delete all events associated with a user.
 
             Note: This API only supports purging a max range of 30 days.
 
             Examples:
 
-            - Deleting all events in a time range:
-              ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
-            - Deleting specific eventType in a time range:
-              ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z" eventType = "search"``
-            - Deleting all events for a specific visitor in a time
-              range:
-              ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z" userPseudoId = "visitor1024"``
-            - Deleting the past 30 days of events inside a DataStore:
-              ``*``
+            -  Deleting all events in a time range:
+               ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
+            -  Deleting specific eventType in a time range:
+               ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z" eventType = "search"``
+            -  Deleting all events for a specific visitor in a time
+               range:
+               ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z" userPseudoId = "visitor1024"``
+            -  Deleting the past 30 days of events inside a DataStore:
+               ``*``
 
             The filtering fields are assumed to have an implicit AND.
         force (bool):
@@ -198,9 +199,9 @@ class PurgeDocumentsRequest(proto.Message):
             Cloud Storage location for the input content. Supported
             ``data_schema``:
 
-            - ``document_id``: One valid
-              [Document.id][google.cloud.discoveryengine.v1.Document.id]
-              per line.
+            -  ``document_id``: One valid
+               [Document.id][google.cloud.discoveryengine.v1.Document.id]
+               per line.
 
             This field is a member of `oneof`_ ``source``.
         inline_source (google.cloud.discoveryengine_v1.types.PurgeDocumentsRequest.InlineSource):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/rank_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/rank_service.py
index 523aabfa5335..eb54787486ef 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/rank_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/rank_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -88,8 +89,8 @@ class RankRequest(proto.Message):
         model (str):
             The identifier of the model to use. It is one of:
 
-            - ``semantic-ranker-512@latest``: Semantic ranking model
-              with maximum input token size 512.
+            -  ``semantic-ranker-512@latest``: Semantic ranking model
+               with maximum input token size 512.
 
             It is set to ``semantic-ranker-512@latest`` by default if
             unspecified.
@@ -110,20 +111,20 @@ class RankRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/recommendation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/recommendation_service.py
index aa40514fe133..25c3f7606465 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/recommendation_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import document as gcd_document
 from google.cloud.discoveryengine_v1.types import user_event as gcd_user_event
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -84,18 +85,18 @@ class RecommendRequest(proto.Message):
 
             Examples:
 
-            - ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
-            - ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
+            -  ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
+            -  ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
 
             If ``attributeFilteringSyntax`` is set to true under the
             ``params`` field, then attribute-based expressions are
             expected instead of the above described tag-based syntax.
             Examples:
 
-            - (language: ANY("en", "es")) AND NOT (categories:
-              ANY("Movie"))
-            - (available: true) AND (language: ANY("en", "es")) OR
-              (categories: ANY("Movie"))
+            -  (language: ANY("en", "es")) AND NOT (categories:
+               ANY("Movie"))
+            -  (available: true) AND (language: ANY("en", "es")) OR
+               (categories: ANY("Movie"))
 
             If your filter blocks all results, the API returns generic
             (unfiltered) popular Documents. If you only want results
@@ -119,51 +120,51 @@ class RecommendRequest(proto.Message):
 
             Allowed values:
 
-            - ``returnDocument``: Boolean. If set to ``true``, the
-              associated Document object is returned in
-              [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1.RecommendResponse.RecommendationResult.document].
-            - ``returnScore``: Boolean. If set to true, the
-              recommendation score corresponding to each returned
-              Document is set in
-              [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1.RecommendResponse.RecommendationResult.metadata].
-              The given score indicates the probability of a Document
-              conversion given the user's context and history.
-            - ``strictFiltering``: Boolean. True by default. If set to
-              ``false``, the service returns generic (unfiltered)
-              popular Documents instead of empty if your filter blocks
-              all recommendation results.
-            - ``diversityLevel``: String. Default empty. If set to be
-              non-empty, then it needs to be one of:
-
-              - ``no-diversity``
-              - ``low-diversity``
-              - ``medium-diversity``
-              - ``high-diversity``
-              - ``auto-diversity`` This gives request-level control and
-                adjusts recommendation results based on Document
-                category.
-
-            - ``attributeFilteringSyntax``: Boolean. False by default.
-              If set to true, the ``filter`` field is interpreted
-              according to the new, attribute-based syntax.
+            -  ``returnDocument``: Boolean. If set to ``true``, the
+               associated Document object is returned in
+               [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1.RecommendResponse.RecommendationResult.document].
+            -  ``returnScore``: Boolean. If set to true, the
+               recommendation score corresponding to each returned
+               Document is set in
+               [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1.RecommendResponse.RecommendationResult.metadata].
+               The given score indicates the probability of a Document
+               conversion given the user's context and history.
+            -  ``strictFiltering``: Boolean. True by default. If set to
+               ``false``, the service returns generic (unfiltered)
+               popular Documents instead of empty if your filter blocks
+               all recommendation results.
+            -  ``diversityLevel``: String. Default empty. If set to be
+               non-empty, then it needs to be one of:
+
+               -  ``no-diversity``
+               -  ``low-diversity``
+               -  ``medium-diversity``
+               -  ``high-diversity``
+               -  ``auto-diversity`` This gives request-level control
+                  and adjusts recommendation results based on Document
+                  category.
+
+            -  ``attributeFilteringSyntax``: Boolean. False by default.
+               If set to true, the ``filter`` field is interpreted
+               according to the new, attribute-based syntax.
         user_labels (MutableMapping[str, str]):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Requirements for
             labels <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -242,9 +243,9 @@ class RecommendationResult(proto.Message):
 
                 Possible values:
 
-                - ``score``: Recommendation score in double value. Is set if
-                  ``returnScore`` is set to true in
-                  [RecommendRequest.params][google.cloud.discoveryengine.v1.RecommendRequest.params].
+                -  ``score``: Recommendation score in double value. Is set
+                   if ``returnScore`` is set to true in
+                   [RecommendRequest.params][google.cloud.discoveryengine.v1.RecommendRequest.params].
         """
 
         id: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/safety.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/safety.py
index 19274c56b9f2..e95d9224b3b8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/safety.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/safety.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -46,6 +47,7 @@ class HarmCategory(proto.Enum):
         HARM_CATEGORY_CIVIC_INTEGRITY (5):
             The harm category is civic integrity.
     """
+
     HARM_CATEGORY_UNSPECIFIED = 0
     HARM_CATEGORY_HATE_SPEECH = 1
     HARM_CATEGORY_DANGEROUS_CONTENT = 2
@@ -90,6 +92,7 @@ class HarmProbability(proto.Enum):
             HIGH (4):
                 High level of harm.
         """
+
         HARM_PROBABILITY_UNSPECIFIED = 0
         NEGLIGIBLE = 1
         LOW = 2
@@ -111,6 +114,7 @@ class HarmSeverity(proto.Enum):
             HARM_SEVERITY_HIGH (4):
                 High level of harm severity.
         """
+
         HARM_SEVERITY_UNSPECIFIED = 0
         HARM_SEVERITY_NEGLIGIBLE = 1
         HARM_SEVERITY_LOW = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema.py
index 18e6d43e0a35..027fd93e3667 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema_service.py
index a54f02bcbd97..67562aae857f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/schema_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import schema as gcd_schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_service.py
index 0bbbbac3121a..d40abd0c007e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import chunk as gcd_chunk
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -64,11 +65,11 @@ class SearchRequest(proto.Message):
             Values above the maximum value are coerced to the maximum
             value.
 
-            - Websites with basic indexing: Default ``10``, Maximum
-              ``25``.
-            - Websites with advanced indexing: Default ``25``, Maximum
-              ``50``.
-            - Other: Default ``50``, Maximum ``100``.
+            -  Websites with basic indexing: Default ``10``, Maximum
+               ``25``.
+            -  Websites with advanced indexing: Default ``25``, Maximum
+               ``50``.
+            -  Other: Default ``50``, Maximum ``100``.
 
             If this field is negative, an ``INVALID_ARGUMENT`` is
             returned.
@@ -181,18 +182,18 @@ class SearchRequest(proto.Message):
 
             For public website search only, supported values are:
 
-            - ``user_country_code``: string. Default empty. If set to
-              non-empty, results are restricted or boosted based on the
-              location provided. For example,
-              ``user_country_code: "au"``
+            -  ``user_country_code``: string. Default empty. If set to
+               non-empty, results are restricted or boosted based on the
+               location provided. For example,
+               ``user_country_code: "au"``
 
-              For available codes see `Country
-              Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
+               For available codes see `Country
+               Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
 
-            - ``search_type``: double. Default empty. Enables
-              non-webpage searching depending on the value. The only
-              valid non-default value is 1, which enables image
-              searching. For example, ``search_type: 1``
+            -  ``search_type``: double. Default empty. Enables
+               non-webpage searching depending on the value. The only
+               valid non-default value is 1, which enables image
+               searching. For example, ``search_type: 1``
         query_expansion_spec (google.cloud.discoveryengine_v1.types.SearchRequest.QueryExpansionSpec):
             The query expansion specification that
             specifies the conditions under which query
@@ -229,20 +230,20 @@ class SearchRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -316,21 +317,21 @@ class SearchRequest(proto.Message):
             be a single function or multiple functions that are joined
             by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              ``embedding_field_path`` and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               ``embedding_field_path`` and query embedding vector.
 
             Example ranking expression:
 
@@ -344,66 +345,68 @@ class SearchRequest(proto.Message):
             is set to ``RANK_BY_FORMULA``, the following expression
             types (and combinations of those chained using + or
 
-            - operators) are supported:
-
-              - ``double``
-              - ``signal``
-              - ``log(signal)``
-              - ``exp(signal)``
-              - ``rr(signal, double > 0)`` -- reciprocal rank
-                transformation with second argument being a denominator
-                constant.
-              - ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
-                otherwise.
-              - ``fill_nan(signal1, signal2 | double)`` -- if signal1 is
-                NaN, returns signal2 \| double, else returns signal1.
-
-              Here are a few examples of ranking formulas that use the
-              supported ranking expression types:
-
-              - ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
-                -- mostly rank by the logarithm of
-                ``keyword_similarity_score`` with slight
-                ``semantic_smilarity_score`` adjustment.
-              - ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
-                -- rank by the exponent of ``semantic_similarity_score``
-                filling the value with 0 if it's NaN, also add constant
-                0.3 adjustment to the final score if
-                ``semantic_similarity_score`` is NaN.
-              - ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
-                -- mostly rank by the reciprocal rank of
-                ``keyword_similarity_score`` with slight adjustment of
-                reciprocal rank of ``semantic_smilarity_score``.
+            -  operators) are supported:
+
+               -  ``double``
+               -  ``signal``
+               -  ``log(signal)``
+               -  ``exp(signal)``
+               -  ``rr(signal, double > 0)`` -- reciprocal rank
+                  transformation with second argument being a
+                  denominator constant.
+               -  ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
+                  otherwise.
+               -  ``fill_nan(signal1, signal2 | double)`` -- if signal1
+                  is NaN, returns signal2 \| double, else returns
+                  signal1.
+
+               Here are a few examples of ranking formulas that use the
+               supported ranking expression types:
+
+               -  ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
+                  -- mostly rank by the logarithm of
+                  ``keyword_similarity_score`` with slight
+                  ``semantic_smilarity_score`` adjustment.
+               -  ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
+                  -- rank by the exponent of
+                  ``semantic_similarity_score`` filling the value with 0
+                  if it's NaN, also add constant 0.3 adjustment to the
+                  final score if ``semantic_similarity_score`` is NaN.
+               -  ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
+                  -- mostly rank by the reciprocal rank of
+                  ``keyword_similarity_score`` with slight adjustment of
+                  reciprocal rank of ``semantic_smilarity_score``.
 
             The following signals are supported:
 
-            - ``semantic_similarity_score``: semantic similarity
-              adjustment that is calculated using the embeddings
-              generated by a proprietary Google model. This score
-              determines how semantically similar a search query is to a
-              document.
-            - ``keyword_similarity_score``: keyword match adjustment
-              uses the Best Match 25 (BM25) ranking function. This score
-              is calculated using a probabilistic model to estimate the
-              probability that a document is relevant to a given query.
-            - ``relevance_score``: semantic relevance adjustment that
-              uses a proprietary Google model to determine the meaning
-              and intent behind a user's query in context with the
-              content in the documents.
-            - ``pctr_rank``: predicted conversion rate adjustment as a
-              rank use predicted Click-through rate (pCTR) to gauge the
-              relevance and attractiveness of a search result from a
-              user's perspective. A higher pCTR suggests that the result
-              is more likely to satisfy the user's query and intent,
-              making it a valuable signal for ranking.
-            - ``freshness_rank``: freshness adjustment as a rank
-            - ``document_age``: The time in hours elapsed since the
-              document was last updated, a floating-point number (e.g.,
-              0.25 means 15 minutes).
-            - ``topicality_rank``: topicality adjustment as a rank. Uses
-              proprietary Google model to determine the keyword-based
-              overlap between the query and the document.
-            - ``base_rank``: the default rank of the result
+            -  ``semantic_similarity_score``: semantic similarity
+               adjustment that is calculated using the embeddings
+               generated by a proprietary Google model. This score
+               determines how semantically similar a search query is to
+               a document.
+            -  ``keyword_similarity_score``: keyword match adjustment
+               uses the Best Match 25 (BM25) ranking function. This
+               score is calculated using a probabilistic model to
+               estimate the probability that a document is relevant to a
+               given query.
+            -  ``relevance_score``: semantic relevance adjustment that
+               uses a proprietary Google model to determine the meaning
+               and intent behind a user's query in context with the
+               content in the documents.
+            -  ``pctr_rank``: predicted conversion rate adjustment as a
+               rank use predicted Click-through rate (pCTR) to gauge the
+               relevance and attractiveness of a search result from a
+               user's perspective. A higher pCTR suggests that the
+               result is more likely to satisfy the user's query and
+               intent, making it a valuable signal for ranking.
+            -  ``freshness_rank``: freshness adjustment as a rank
+            -  ``document_age``: The time in hours elapsed since the
+               document was last updated, a floating-point number (e.g.,
+               0.25 means 15 minutes).
+            -  ``topicality_rank``: topicality adjustment as a rank.
+               Uses proprietary Google model to determine the
+               keyword-based overlap between the query and the document.
+            -  ``base_rank``: the default rank of the result
         ranking_expression_backend (google.cloud.discoveryengine_v1.types.SearchRequest.RankingExpressionBackend):
             The backend to use for the ranking expression
             evaluation.
@@ -427,6 +430,7 @@ class RelevanceThreshold(proto.Enum):
             HIGH (4):
                 High relevance threshold.
         """
+
         RELEVANCE_THRESHOLD_UNSPECIFIED = 0
         LOWEST = 1
         LOW = 2
@@ -446,6 +450,7 @@ class RankingExpressionBackend(proto.Enum):
             RANK_BY_FORMULA (4):
                 Ranking by custom formula.
         """
+
         RANKING_EXPRESSION_BACKEND_UNSPECIFIED = 0
         RANK_BY_EMBEDDING = 3
         RANK_BY_FORMULA = 4
@@ -581,11 +586,11 @@ class FacetSpec(proto.Message):
                 Another example, assuming you have the following facets in
                 the request:
 
-                - "rating", enable_dynamic_position = true
+                -  "rating", enable_dynamic_position = true
 
-                - "price", enable_dynamic_position = false
+                -  "price", enable_dynamic_position = false
 
-                - "brands", enable_dynamic_position = false
+                -  "brands", enable_dynamic_position = false
 
                 And also you have a dynamic facets enabled, which generates
                 a facet ``gender``. Then the final order of the facets in
@@ -644,13 +649,13 @@ class FacetKey(proto.Message):
 
                     Allowed values are:
 
-                    - "count desc", which means order by
-                      [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1.SearchResponse.Facet.FacetValue.count]
-                      descending.
+                    -  "count desc", which means order by
+                       [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1.SearchResponse.Facet.FacetValue.count]
+                       descending.
 
-                    - "value desc", which means order by
-                      [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1.SearchResponse.Facet.FacetValue.value]
-                      descending. Only applies to textual facets.
+                    -  "value desc", which means order by
+                       [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1.SearchResponse.Facet.FacetValue.value]
+                       descending. Only applies to textual facets.
 
                     If not set, textual values are sorted in `natural
                     order <https://en.wikipedia.org/wiki/Natural_sort_order>`__;
@@ -732,9 +737,9 @@ class ConditionBoostSpec(proto.Message):
 
                     Examples:
 
-                    - To boost documents with document ID "doc_1" or "doc_2",
-                      and color "Red" or "Blue":
-                      ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
+                    -  To boost documents with document ID "doc_1" or "doc_2",
+                       and color "Red" or "Blue":
+                       ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
                 boost (float):
                     Strength of the condition boost, which should be in [-1, 1].
                     Negative boost means demotion. Default is 0.0.
@@ -809,6 +814,7 @@ class AttributeType(proto.Enum):
                             ``[nD][T[nH][nM][nS]]``. For example, ``5D``, ``3DT12H30M``,
                             ``T24H``.
                     """
+
                     ATTRIBUTE_TYPE_UNSPECIFIED = 0
                     NUMERICAL = 1
                     FRESHNESS = 2
@@ -825,6 +831,7 @@ class InterpolationType(proto.Enum):
                             Piecewise linear interpolation will be
                             applied.
                     """
+
                     INTERPOLATION_TYPE_UNSPECIFIED = 0
                     LINEAR = 1
 
@@ -934,6 +941,7 @@ class Condition(proto.Enum):
                     Automatic query expansion built by the Search
                     API.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             AUTO = 2
@@ -977,6 +985,7 @@ class Mode(proto.Enum):
                     Search API. Search will be based on the
                     corrected query if found.
             """
+
             MODE_UNSPECIFIED = 0
             SUGGESTION_ONLY = 1
             AUTO = 2
@@ -1026,6 +1035,7 @@ class SearchResultMode(proto.Enum):
                     [DocumentProcessingConfig.chunking_config][google.cloud.discoveryengine.v1.DocumentProcessingConfig.chunking_config]
                     is specified.
             """
+
             SEARCH_RESULT_MODE_UNSPECIFIED = 0
             DOCUMENTS = 1
             CHUNKS = 2
@@ -1192,15 +1202,15 @@ class ModelSpec(proto.Message):
 
                         Supported values are:
 
-                        - ``stable``: string. Default value when no value is
-                          specified. Uses a generally available, fine-tuned model.
-                          For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
-                        - ``preview``: string. (Public preview) Uses a preview
-                          model. For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``stable``: string. Default value when no value is
+                           specified. Uses a generally available, fine-tuned model.
+                           For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``preview``: string. (Public preview) Uses a preview
+                           model. For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
                 """
 
                 version: str = proto.Field(
@@ -1414,6 +1424,7 @@ class Condition(proto.Enum):
                     ideal for single-API implementations (e.g.,
                     debouncing).
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             ENABLED = 2
@@ -1447,6 +1458,7 @@ class MatchHighlightingCondition(proto.Enum):
                 MATCH_HIGHLIGHTING_ENABLED (2):
                     Enables match highlighting on all documents.
             """
+
             MATCH_HIGHLIGHTING_CONDITION_UNSPECIFIED = 0
             MATCH_HIGHLIGHTING_DISABLED = 1
             MATCH_HIGHLIGHTING_ENABLED = 2
@@ -1951,12 +1963,12 @@ class FacetValue(proto.Message):
             proto.STRING,
             number=1,
         )
-        values: MutableSequence[
-            "SearchResponse.Facet.FacetValue"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=2,
-            message="SearchResponse.Facet.FacetValue",
+        values: MutableSequence["SearchResponse.Facet.FacetValue"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=2,
+                message="SearchResponse.Facet.FacetValue",
+            )
         )
         dynamic_facet: bool = proto.Field(
             proto.BOOL,
@@ -2050,6 +2062,7 @@ class SummarySkippedReason(proto.Enum):
 
                     Google skips the summary if the time out.
             """
+
             SUMMARY_SKIPPED_REASON_UNSPECIFIED = 0
             ADVERSARIAL_QUERY_IGNORED = 1
             NON_SUMMARY_SEEKING_QUERY_IGNORED = 2
@@ -2094,12 +2107,12 @@ class CitationMetadata(proto.Message):
                     Citations for segments.
             """
 
-            citations: MutableSequence[
-                "SearchResponse.Summary.Citation"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=1,
-                message="SearchResponse.Summary.Citation",
+            citations: MutableSequence["SearchResponse.Summary.Citation"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=1,
+                    message="SearchResponse.Summary.Citation",
+                )
             )
 
         class Citation(proto.Message):
@@ -2123,12 +2136,12 @@ class Citation(proto.Message):
                 proto.INT64,
                 number=2,
             )
-            sources: MutableSequence[
-                "SearchResponse.Summary.CitationSource"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.CitationSource",
+            sources: MutableSequence["SearchResponse.Summary.CitationSource"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.CitationSource",
+                )
             )
 
         class CitationSource(proto.Message):
@@ -2226,12 +2239,12 @@ class SummaryWithMetadata(proto.Message):
                 number=2,
                 message="SearchResponse.Summary.CitationMetadata",
             )
-            references: MutableSequence[
-                "SearchResponse.Summary.Reference"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.Reference",
+            references: MutableSequence["SearchResponse.Summary.Reference"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.Reference",
+                )
             )
 
         summary_text: str = proto.Field(
@@ -2360,12 +2373,12 @@ def raw_page(self):
         number=19,
         message=SessionInfo,
     )
-    search_link_promotions: MutableSequence[
-        common.SearchLinkPromotion
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=23,
-        message=common.SearchLinkPromotion,
+    search_link_promotions: MutableSequence[common.SearchLinkPromotion] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=23,
+            message=common.SearchLinkPromotion,
+        )
     )
 
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_tuning_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_tuning_service.py
index c054af1613aa..76af8957656e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/search_tuning_service.py
@@ -17,11 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1.types import custom_tuning_model
+from google.cloud.discoveryengine_v1.types import import_config
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import custom_tuning_model, import_config
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -65,12 +67,12 @@ class ListCustomModelsResponse(proto.Message):
             List of custom tuning models.
     """
 
-    models: MutableSequence[
-        custom_tuning_model.CustomTuningModel
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=custom_tuning_model.CustomTuningModel,
+    models: MutableSequence[custom_tuning_model.CustomTuningModel] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=custom_tuning_model.CustomTuningModel,
+        )
     )
 
 
@@ -95,8 +97,8 @@ class TrainCustomModelRequest(proto.Message):
         model_type (str):
             Model to be trained. Supported values are:
 
-            - **search-tuning**: Fine tuning the search system based on
-              data provided.
+            -  **search-tuning**: Fine tuning the search system based on
+               data provided.
         error_config (google.cloud.discoveryengine_v1.types.ImportErrorConfig):
             The desired location of errors incurred
             during the data ingestion and training.
@@ -136,8 +138,8 @@ class GcsTrainingInput(proto.Message):
                 number in ``[0, inf+)``. The larger the number is, the more
                 relevant the pair is. Example:
 
-                - ``query-id\tcorpus-id\tscore``
-                - ``query1\tdoc1\t1``
+                -  ``query-id\tcorpus-id\tscore``
+                -  ``query1\tdoc1\t1``
             test_data_path (str):
                 Cloud Storage test data. Same format as train_data_path. If
                 not provided, a random 80/20 train/test split will be
@@ -202,15 +204,15 @@ class TrainCustomModelResponse(proto.Message):
         model_status (str):
             The trained model status. Possible values are:
 
-            - **bad-data**: The training data quality is bad.
-            - **no-improvement**: Tuning didn't improve performance.
-              Won't deploy.
-            - **in-progress**: Model training job creation is in
-              progress.
-            - **training**: Model is actively training.
-            - **evaluating**: The model is evaluating trained metrics.
-            - **indexing**: The model trained metrics are indexing.
-            - **ready**: The model is ready for serving.
+            -  **bad-data**: The training data quality is bad.
+            -  **no-improvement**: Tuning didn't improve performance.
+               Won't deploy.
+            -  **in-progress**: Model training job creation is in
+               progress.
+            -  **training**: Model is actively training.
+            -  **evaluating**: The model is evaluating trained metrics.
+            -  **indexing**: The model trained metrics are indexing.
+            -  **ready**: The model is ready for serving.
         metrics (MutableMapping[str, float]):
             The metrics of the trained model.
         model_name (str):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config.py
index a8e4f0566f16..c0584205387f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config.py
@@ -17,10 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import common, search_service
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -82,11 +84,11 @@ class ServingConfig(proto.Message):
             e.g. ``medium-diversity`` or ``high-diversity``. Currently
             supported values:
 
-            - ``no-diversity``
-            - ``low-diversity``
-            - ``medium-diversity``
-            - ``high-diversity``
-            - ``auto-diversity``
+            -  ``no-diversity``
+            -  ``low-diversity``
+            -  ``medium-diversity``
+            -  ``high-diversity``
+            -  ``auto-diversity``
 
             If not specified, we choose default based on recommendation
             model type. Default value: ``no-diversity``.
@@ -107,21 +109,21 @@ class ServingConfig(proto.Message):
             The ranking expression is a single function or multiple
             functions that are joined by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              embedding_field_path and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               embedding_field_path and query embedding vector.
 
             Example ranking expression:
 
@@ -208,19 +210,19 @@ class MediaConfig(proto.Message):
         r"""Specifies the configurations needed for Media Discovery. Currently
         we support:
 
-        - ``demote_content_watched``: Threshold for watched content
-          demotion. Customers can specify if using watched content demotion
-          or use viewed detail page. Using the content watched demotion,
-          customers need to specify the watched minutes or percentage
-          exceeds the threshold, the content will be demoted in the
-          recommendation result.
-        - ``promote_fresh_content``: cutoff days for fresh content
-          promotion. Customers can specify if using content freshness
-          promotion. If the content was published within the cutoff days,
-          the content will be promoted in the recommendation result. Can
-          only be set if
-          [SolutionType][google.cloud.discoveryengine.v1.SolutionType] is
-          [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
+        -  ``demote_content_watched``: Threshold for watched content
+           demotion. Customers can specify if using watched content demotion
+           or use viewed detail page. Using the content watched demotion,
+           customers need to specify the watched minutes or percentage
+           exceeds the threshold, the content will be demoted in the
+           recommendation result.
+        -  ``promote_fresh_content``: cutoff days for fresh content
+           promotion. Customers can specify if using content freshness
+           promotion. If the content was published within the cutoff days,
+           the content will be promoted in the recommendation result. Can
+           only be set if
+           [SolutionType][google.cloud.discoveryengine.v1.SolutionType] is
+           [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
 
         This message has `oneof`_ fields (mutually exclusive fields).
         For each oneof, at most one member field can be set at the same time.
@@ -245,11 +247,11 @@ class MediaConfig(proto.Message):
                 Specifies the event type used for demoting recommendation
                 result. Currently supported values:
 
-                - ``view-item``: Item viewed.
-                - ``media-play``: Start/resume watching a video, playing a
-                  song, etc.
-                - ``media-complete``: Finished or stopped midway through a
-                  video, song, etc.
+                -  ``view-item``: Item viewed.
+                -  ``media-play``: Start/resume watching a video, playing a
+                   song, etc.
+                -  ``media-complete``: Finished or stopped midway through a
+                   video, song, etc.
 
                 If unset, watch history demotion will not be applied.
                 Content freshness demotion will still be applied.
@@ -292,7 +294,8 @@ class GenericConfig(proto.Message):
         r"""Specifies the configurations needed for Generic Discovery.Currently
         we support:
 
-        - ``content_search_spec``: configuration for generic content search.
+        -  ``content_search_spec``: configuration for generic content
+           search.
 
         Attributes:
             content_search_spec (google.cloud.discoveryengine_v1.types.SearchRequest.ContentSearchSpec):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config_service.py
index a98b56d80234..4c1dbc92715e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/serving_config_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -41,7 +42,7 @@ class UpdateServingConfigRequest(proto.Message):
             [ServingConfig][google.cloud.discoveryengine.v1.ServingConfig]
             to update. The following are NOT supported:
 
-            - [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
+            -  [ServingConfig.name][google.cloud.discoveryengine.v1.ServingConfig.name]
 
             If not set, all supported fields are updated.
     """
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session.py
index ce86a30fea33..76c2602bb12c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import answer as gcd_answer
 from google.cloud.discoveryengine_v1.types import assist_answer
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -73,6 +74,7 @@ class State(proto.Enum):
             IN_PROGRESS (1):
                 The session is currently open.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session_service.py
index ce1317454da2..a0f4370a181d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/session_service.py
@@ -15,6 +15,7 @@
 #
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={},
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine.py
index d9e98efc17a5..3ffba755301c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -103,6 +105,7 @@ class Type(proto.Enum):
             EXCLUDE (2):
                 Exclude the target site.
         """
+
         TYPE_UNSPECIFIED = 0
         INCLUDE = 1
         EXCLUDE = 2
@@ -135,6 +138,7 @@ class IndexingStatus(proto.Enum):
             CANCELLED (6):
                 The target site change is cancelled.
         """
+
         INDEXING_STATUS_UNSPECIFIED = 0
         PENDING = 1
         FAILED = 2
@@ -251,6 +255,7 @@ class SiteVerificationState(proto.Enum):
                 Site exempt from verification, e.g., a public
                 website that opens to all.
         """
+
         SITE_VERIFICATION_STATE_UNSPECIFIED = 0
         VERIFIED = 1
         UNVERIFIED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine_service.py
index b4a266e68246..7727507148fb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/site_search_engine_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import (
     site_search_engine as gcd_site_search_engine,
 )
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -371,12 +372,12 @@ class ListTargetSitesResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
@@ -424,12 +425,12 @@ class BatchCreateTargetSitesResponse(proto.Message):
             TargetSites created.
     """
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
 
 
@@ -829,6 +830,7 @@ class CorpusType(proto.Enum):
                         Denotes a crawling attempt for the mobile
                         version of a page.
                 """
+
                 CORPUS_TYPE_UNSPECIFIED = 0
                 DESKTOP = 1
                 MOBILE = 2
@@ -1084,12 +1086,12 @@ class FetchDomainVerificationStatusResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event.py
index 4bed1bf502f0..7c1319298e98 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import duration_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1.types import common
+from google.protobuf import duration_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -49,31 +50,31 @@ class UserEvent(proto.Message):
 
             Generic values:
 
-            - ``search``: Search for Documents.
-            - ``view-item``: Detailed page view of a Document.
-            - ``view-item-list``: View of a panel or ordered list of
-              Documents.
-            - ``view-home-page``: View of the home page.
-            - ``view-category-page``: View of a category page, e.g. Home
-              > Men > Jeans
-            - ``add-feedback``: Add a user feedback.
+            -  ``search``: Search for Documents.
+            -  ``view-item``: Detailed page view of a Document.
+            -  ``view-item-list``: View of a panel or ordered list of
+               Documents.
+            -  ``view-home-page``: View of the home page.
+            -  ``view-category-page``: View of a category page, e.g.
+               Home > Men > Jeans
+            -  ``add-feedback``: Add a user feedback.
 
             Retail-related values:
 
-            - ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
-              online shopping
-            - ``purchase``: Purchase an item(s)
+            -  ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
+               online shopping
+            -  ``purchase``: Purchase an item(s)
 
             Media-related values:
 
-            - ``media-play``: Start/resume watching a video, playing a
-              song, etc.
-            - ``media-complete``: Finished or stopped midway through a
-              video, song, etc.
+            -  ``media-play``: Start/resume watching a video, playing a
+               song, etc.
+            -  ``media-complete``: Finished or stopped midway through a
+               video, song, etc.
 
             Custom conversion value:
 
-            - ``conversion``: Customer defined conversion event.
+            -  ``conversion``: Customer defined conversion event.
         conversion_type (str):
             Optional. Conversion type.
 
@@ -175,12 +176,12 @@ class UserEvent(proto.Message):
 
             The value must be one of:
 
-            - [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1.RecommendResponse.attribution_token]
-              for events that are the result of
-              [RecommendationService.Recommend][google.cloud.discoveryengine.v1.RecommendationService.Recommend].
-            - [SearchResponse.attribution_token][google.cloud.discoveryengine.v1.SearchResponse.attribution_token]
-              for events that are the result of
-              [SearchService.Search][google.cloud.discoveryengine.v1.SearchService.Search].
+            -  [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1.RecommendResponse.attribution_token]
+               for events that are the result of
+               [RecommendationService.Recommend][google.cloud.discoveryengine.v1.RecommendationService.Recommend].
+            -  [SearchResponse.attribution_token][google.cloud.discoveryengine.v1.SearchResponse.attribution_token]
+               for events that are the result of
+               [SearchService.Search][google.cloud.discoveryengine.v1.SearchService.Search].
 
             This token enables us to accurately attribute page view or
             conversion completion back to the event and the particular
@@ -220,11 +221,11 @@ class UserEvent(proto.Message):
 
             This field is optional except for the following event types:
 
-            - ``view-item``
-            - ``add-to-cart``
-            - ``purchase``
-            - ``media-play``
-            - ``media-complete``
+            -  ``view-item``
+            -  ``add-to-cart``
+            -  ``purchase``
+            -  ``media-play``
+            -  ``media-complete``
 
             In a ``search`` event, this field represents the documents
             returned to the end user on the current page (the end user
@@ -278,12 +279,12 @@ class UserEvent(proto.Message):
             This field needs to pass all below criteria, otherwise an
             ``INVALID_ARGUMENT`` error is returned:
 
-            - The key must be a UTF-8 encoded string with a length limit
-              of 5,000 characters.
-            - For text attributes, at most 400 values are allowed. Empty
-              values are not allowed. Each value must be a UTF-8 encoded
-              string with a length limit of 256 characters.
-            - For number attributes, at most 400 values are allowed.
+            -  The key must be a UTF-8 encoded string with a length
+               limit of 5,000 characters.
+            -  For text attributes, at most 400 values are allowed.
+               Empty values are not allowed. Each value must be a UTF-8
+               encoded string with a length limit of 256 characters.
+            -  For number attributes, at most 400 values are allowed.
 
             For product recommendations, an example of extra user
             information is ``traffic_channel``, which is how a user
@@ -591,12 +592,12 @@ class TransactionInfo(proto.Message):
             manufacturing costs, shipping expenses not borne by the end
             user, or any other costs, such that:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_cost``.
         discount_value (float):
@@ -618,12 +619,12 @@ class TransactionInfo(proto.Message):
             can be larger than
             [TransactionInfo.value][google.cloud.discoveryengine.v1.TransactionInfo.value]:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_discount_value``.
     """
@@ -694,8 +695,8 @@ class DocumentInfo(proto.Message):
 
             Required for events of the following event types:
 
-            - ``add-to-cart``
-            - ``purchase``
+            -  ``add-to-cart``
+            -  ``purchase``
 
             This field is a member of `oneof`_ ``_quantity``.
         promotion_ids (MutableSequence[str]):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event_service.py
index c547864b34f8..92ba1147590c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_event_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1.types import user_event as gcd_user_event
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license.py
index 203b5ed77612..6f5170b8f685 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
     manifest={
@@ -84,6 +86,7 @@ class LicenseAssignmentState(proto.Enum):
                 cannot get license assigned will be assigned NO_LICENSE
                 state(License could be unassigned by admin).
         """
+
         LICENSE_ASSIGNMENT_STATE_UNSPECIFIED = 0
         ASSIGNED = 1
         UNASSIGNED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license_service.py
index 44d117f50b75..d133b3036b7e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/types/user_license_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1.types import user_license
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1.types import user_license
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1",
@@ -64,19 +65,20 @@ class ListUserLicensesRequest(proto.Message):
 
             Supported fields:
 
-            - ``license_assignment_state``
+            -  ``license_assignment_state``
 
             Examples:
 
-            - ``license_assignment_state = ASSIGNED`` to list assigned
-              user licenses.
-            - ``license_assignment_state = NO_LICENSE`` to list not
-              licensed users.
-            - ``license_assignment_state = NO_LICENSE_ATTEMPTED_LOGIN``
-              to list users who attempted login but no license assigned.
-            - ``license_assignment_state != NO_LICENSE_ATTEMPTED_LOGIN``
-              to filter out users who attempted login but no license
-              assigned.
+            -  ``license_assignment_state = ASSIGNED`` to list assigned
+               user licenses.
+            -  ``license_assignment_state = NO_LICENSE`` to list not
+               licensed users.
+            -  ``license_assignment_state = NO_LICENSE_ATTEMPTED_LOGIN``
+               to list users who attempted login but no license
+               assigned.
+            -  ``license_assignment_state != NO_LICENSE_ATTEMPTED_LOGIN``
+               to filter out users who attempted login but no license
+               assigned.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/__init__.py
index 1b31e3f011e5..7a5aff878c45 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/__init__.py
@@ -18,347 +18,309 @@
 __version__ = package_version.__version__
 
 
-from .services.acl_config_service import (
-    AclConfigServiceAsyncClient,
-    AclConfigServiceClient,
-)
-from .services.chunk_service import ChunkServiceAsyncClient, ChunkServiceClient
-from .services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-)
-from .services.control_service import ControlServiceAsyncClient, ControlServiceClient
+from .services.acl_config_service import AclConfigServiceClient
+from .services.acl_config_service import AclConfigServiceAsyncClient
+from .services.chunk_service import ChunkServiceClient
+from .services.chunk_service import ChunkServiceAsyncClient
+from .services.completion_service import CompletionServiceClient
+from .services.completion_service import CompletionServiceAsyncClient
+from .services.control_service import ControlServiceClient
+from .services.control_service import ControlServiceAsyncClient
+from .services.conversational_search_service import ConversationalSearchServiceClient
 from .services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
-    ConversationalSearchServiceClient,
-)
-from .services.data_store_service import (
-    DataStoreServiceAsyncClient,
-    DataStoreServiceClient,
-)
-from .services.document_service import DocumentServiceAsyncClient, DocumentServiceClient
-from .services.engine_service import EngineServiceAsyncClient, EngineServiceClient
-from .services.estimate_billing_service import (
-    EstimateBillingServiceAsyncClient,
-    EstimateBillingServiceClient,
-)
-from .services.evaluation_service import (
-    EvaluationServiceAsyncClient,
-    EvaluationServiceClient,
-)
-from .services.grounded_generation_service import (
-    GroundedGenerationServiceAsyncClient,
-    GroundedGenerationServiceClient,
-)
-from .services.project_service import ProjectServiceAsyncClient, ProjectServiceClient
-from .services.rank_service import RankServiceAsyncClient, RankServiceClient
-from .services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-)
-from .services.sample_query_service import (
-    SampleQueryServiceAsyncClient,
-    SampleQueryServiceClient,
-)
-from .services.sample_query_set_service import (
-    SampleQuerySetServiceAsyncClient,
-    SampleQuerySetServiceClient,
-)
-from .services.schema_service import SchemaServiceAsyncClient, SchemaServiceClient
-from .services.search_service import SearchServiceAsyncClient, SearchServiceClient
-from .services.search_tuning_service import (
-    SearchTuningServiceAsyncClient,
-    SearchTuningServiceClient,
-)
-from .services.serving_config_service import (
-    ServingConfigServiceAsyncClient,
-    ServingConfigServiceClient,
-)
-from .services.session_service import SessionServiceAsyncClient, SessionServiceClient
-from .services.site_search_engine_service import (
-    SiteSearchEngineServiceAsyncClient,
-    SiteSearchEngineServiceClient,
-)
-from .services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
 )
+from .services.data_store_service import DataStoreServiceClient
+from .services.data_store_service import DataStoreServiceAsyncClient
+from .services.document_service import DocumentServiceClient
+from .services.document_service import DocumentServiceAsyncClient
+from .services.engine_service import EngineServiceClient
+from .services.engine_service import EngineServiceAsyncClient
+from .services.estimate_billing_service import EstimateBillingServiceClient
+from .services.estimate_billing_service import EstimateBillingServiceAsyncClient
+from .services.evaluation_service import EvaluationServiceClient
+from .services.evaluation_service import EvaluationServiceAsyncClient
+from .services.grounded_generation_service import GroundedGenerationServiceClient
+from .services.grounded_generation_service import GroundedGenerationServiceAsyncClient
+from .services.project_service import ProjectServiceClient
+from .services.project_service import ProjectServiceAsyncClient
+from .services.rank_service import RankServiceClient
+from .services.rank_service import RankServiceAsyncClient
+from .services.recommendation_service import RecommendationServiceClient
+from .services.recommendation_service import RecommendationServiceAsyncClient
+from .services.sample_query_service import SampleQueryServiceClient
+from .services.sample_query_service import SampleQueryServiceAsyncClient
+from .services.sample_query_set_service import SampleQuerySetServiceClient
+from .services.sample_query_set_service import SampleQuerySetServiceAsyncClient
+from .services.schema_service import SchemaServiceClient
+from .services.schema_service import SchemaServiceAsyncClient
+from .services.search_service import SearchServiceClient
+from .services.search_service import SearchServiceAsyncClient
+from .services.search_tuning_service import SearchTuningServiceClient
+from .services.search_tuning_service import SearchTuningServiceAsyncClient
+from .services.serving_config_service import ServingConfigServiceClient
+from .services.serving_config_service import ServingConfigServiceAsyncClient
+from .services.session_service import SessionServiceClient
+from .services.session_service import SessionServiceAsyncClient
+from .services.site_search_engine_service import SiteSearchEngineServiceClient
+from .services.site_search_engine_service import SiteSearchEngineServiceAsyncClient
+from .services.user_event_service import UserEventServiceClient
+from .services.user_event_service import UserEventServiceAsyncClient
+
 from .types.acl_config import AclConfig
-from .types.acl_config_service import GetAclConfigRequest, UpdateAclConfigRequest
+from .types.acl_config_service import GetAclConfigRequest
+from .types.acl_config_service import UpdateAclConfigRequest
 from .types.answer import Answer
 from .types.chunk import Chunk
-from .types.chunk_service import GetChunkRequest, ListChunksRequest, ListChunksResponse
-from .types.common import (
-    CustomAttribute,
-    CustomFineTuningSpec,
-    DoubleList,
-    EmbeddingConfig,
-    FileOriginType,
-    GuidedSearchSpec,
-    IdpConfig,
-    IndustryVertical,
-    Interval,
-    Principal,
-    SearchAddOn,
-    SearchTier,
-    SearchUseCase,
-    SolutionType,
-    UserInfo,
-)
-from .types.completion import CompletionSuggestion, SuggestionDenyListEntry
-from .types.completion_service import CompleteQueryRequest, CompleteQueryResponse
-from .types.control import Condition, Control
-from .types.control_service import (
-    CreateControlRequest,
-    DeleteControlRequest,
-    GetControlRequest,
-    ListControlsRequest,
-    ListControlsResponse,
-    UpdateControlRequest,
-)
-from .types.conversation import (
-    Conversation,
-    ConversationContext,
-    ConversationMessage,
-    Reply,
-    TextInput,
-)
-from .types.conversational_search_service import (
-    AnswerQueryRequest,
-    AnswerQueryResponse,
-    ConverseConversationRequest,
-    ConverseConversationResponse,
-    CreateConversationRequest,
-    CreateSessionRequest,
-    DeleteConversationRequest,
-    DeleteSessionRequest,
-    GetAnswerRequest,
-    GetConversationRequest,
-    GetSessionRequest,
-    ListConversationsRequest,
-    ListConversationsResponse,
-    ListSessionsRequest,
-    ListSessionsResponse,
-    UpdateConversationRequest,
-    UpdateSessionRequest,
-)
+from .types.chunk_service import GetChunkRequest
+from .types.chunk_service import ListChunksRequest
+from .types.chunk_service import ListChunksResponse
+from .types.common import CustomAttribute
+from .types.common import CustomFineTuningSpec
+from .types.common import DoubleList
+from .types.common import EmbeddingConfig
+from .types.common import GuidedSearchSpec
+from .types.common import IdpConfig
+from .types.common import Interval
+from .types.common import Principal
+from .types.common import UserInfo
+from .types.common import FileOriginType
+from .types.common import IndustryVertical
+from .types.common import SearchAddOn
+from .types.common import SearchTier
+from .types.common import SearchUseCase
+from .types.common import SolutionType
+from .types.completion import CompletionSuggestion
+from .types.completion import SuggestionDenyListEntry
+from .types.completion_service import CompleteQueryRequest
+from .types.completion_service import CompleteQueryResponse
+from .types.control import Condition
+from .types.control import Control
+from .types.control_service import CreateControlRequest
+from .types.control_service import DeleteControlRequest
+from .types.control_service import GetControlRequest
+from .types.control_service import ListControlsRequest
+from .types.control_service import ListControlsResponse
+from .types.control_service import UpdateControlRequest
+from .types.conversation import Conversation
+from .types.conversation import ConversationContext
+from .types.conversation import ConversationMessage
+from .types.conversation import Reply
+from .types.conversation import TextInput
+from .types.conversational_search_service import AnswerQueryRequest
+from .types.conversational_search_service import AnswerQueryResponse
+from .types.conversational_search_service import ConverseConversationRequest
+from .types.conversational_search_service import ConverseConversationResponse
+from .types.conversational_search_service import CreateConversationRequest
+from .types.conversational_search_service import CreateSessionRequest
+from .types.conversational_search_service import DeleteConversationRequest
+from .types.conversational_search_service import DeleteSessionRequest
+from .types.conversational_search_service import GetAnswerRequest
+from .types.conversational_search_service import GetConversationRequest
+from .types.conversational_search_service import GetSessionRequest
+from .types.conversational_search_service import ListConversationsRequest
+from .types.conversational_search_service import ListConversationsResponse
+from .types.conversational_search_service import ListSessionsRequest
+from .types.conversational_search_service import ListSessionsResponse
+from .types.conversational_search_service import UpdateConversationRequest
+from .types.conversational_search_service import UpdateSessionRequest
 from .types.custom_tuning_model import CustomTuningModel
-from .types.data_store import DataStore, LanguageInfo, WorkspaceConfig
-from .types.data_store_service import (
-    CreateDataStoreMetadata,
-    CreateDataStoreRequest,
-    DeleteDataStoreMetadata,
-    DeleteDataStoreRequest,
-    GetDataStoreRequest,
-    GetDocumentProcessingConfigRequest,
-    ListDataStoresRequest,
-    ListDataStoresResponse,
-    UpdateDataStoreRequest,
-    UpdateDocumentProcessingConfigRequest,
-)
-from .types.document import Document, ProcessedDocument
+from .types.data_store import DataStore
+from .types.data_store import LanguageInfo
+from .types.data_store import WorkspaceConfig
+from .types.data_store_service import CreateDataStoreMetadata
+from .types.data_store_service import CreateDataStoreRequest
+from .types.data_store_service import DeleteDataStoreMetadata
+from .types.data_store_service import DeleteDataStoreRequest
+from .types.data_store_service import GetDataStoreRequest
+from .types.data_store_service import GetDocumentProcessingConfigRequest
+from .types.data_store_service import ListDataStoresRequest
+from .types.data_store_service import ListDataStoresResponse
+from .types.data_store_service import UpdateDataStoreRequest
+from .types.data_store_service import UpdateDocumentProcessingConfigRequest
+from .types.document import Document
+from .types.document import ProcessedDocument
 from .types.document_processing_config import DocumentProcessingConfig
-from .types.document_service import (
-    BatchGetDocumentsMetadataRequest,
-    BatchGetDocumentsMetadataResponse,
-    CreateDocumentRequest,
-    DeleteDocumentRequest,
-    GetDocumentRequest,
-    GetProcessedDocumentRequest,
-    ListDocumentsRequest,
-    ListDocumentsResponse,
-    UpdateDocumentRequest,
-)
+from .types.document_service import BatchGetDocumentsMetadataRequest
+from .types.document_service import BatchGetDocumentsMetadataResponse
+from .types.document_service import CreateDocumentRequest
+from .types.document_service import DeleteDocumentRequest
+from .types.document_service import GetDocumentRequest
+from .types.document_service import GetProcessedDocumentRequest
+from .types.document_service import ListDocumentsRequest
+from .types.document_service import ListDocumentsResponse
+from .types.document_service import UpdateDocumentRequest
 from .types.engine import Engine
-from .types.engine_service import (
-    CreateEngineMetadata,
-    CreateEngineRequest,
-    DeleteEngineMetadata,
-    DeleteEngineRequest,
-    GetEngineRequest,
-    ListEnginesRequest,
-    ListEnginesResponse,
-    PauseEngineRequest,
-    ResumeEngineRequest,
-    TuneEngineMetadata,
-    TuneEngineRequest,
-    TuneEngineResponse,
-    UpdateEngineRequest,
-)
-from .types.estimate_billing_service import (
-    EstimateDataSizeMetadata,
-    EstimateDataSizeRequest,
-    EstimateDataSizeResponse,
-)
-from .types.evaluation import Evaluation, QualityMetrics
-from .types.evaluation_service import (
-    CreateEvaluationMetadata,
-    CreateEvaluationRequest,
-    GetEvaluationRequest,
-    ListEvaluationResultsRequest,
-    ListEvaluationResultsResponse,
-    ListEvaluationsRequest,
-    ListEvaluationsResponse,
-)
-from .types.grounded_generation_service import (
-    CheckGroundingRequest,
-    CheckGroundingResponse,
-    CheckGroundingSpec,
-)
-from .types.grounding import FactChunk, GroundingFact
-from .types.import_config import (
-    AlloyDbSource,
-    BigQuerySource,
-    BigtableOptions,
-    BigtableSource,
-    CloudSqlSource,
-    FhirStoreSource,
-    FirestoreSource,
-    GcsSource,
-    ImportCompletionSuggestionsMetadata,
-    ImportCompletionSuggestionsRequest,
-    ImportCompletionSuggestionsResponse,
-    ImportDocumentsMetadata,
-    ImportDocumentsRequest,
-    ImportDocumentsResponse,
-    ImportErrorConfig,
-    ImportSampleQueriesMetadata,
-    ImportSampleQueriesRequest,
-    ImportSampleQueriesResponse,
-    ImportSuggestionDenyListEntriesMetadata,
-    ImportSuggestionDenyListEntriesRequest,
-    ImportSuggestionDenyListEntriesResponse,
-    ImportUserEventsMetadata,
-    ImportUserEventsRequest,
-    ImportUserEventsResponse,
-    SpannerSource,
-)
+from .types.engine_service import CreateEngineMetadata
+from .types.engine_service import CreateEngineRequest
+from .types.engine_service import DeleteEngineMetadata
+from .types.engine_service import DeleteEngineRequest
+from .types.engine_service import GetEngineRequest
+from .types.engine_service import ListEnginesRequest
+from .types.engine_service import ListEnginesResponse
+from .types.engine_service import PauseEngineRequest
+from .types.engine_service import ResumeEngineRequest
+from .types.engine_service import TuneEngineMetadata
+from .types.engine_service import TuneEngineRequest
+from .types.engine_service import TuneEngineResponse
+from .types.engine_service import UpdateEngineRequest
+from .types.estimate_billing_service import EstimateDataSizeMetadata
+from .types.estimate_billing_service import EstimateDataSizeRequest
+from .types.estimate_billing_service import EstimateDataSizeResponse
+from .types.evaluation import Evaluation
+from .types.evaluation import QualityMetrics
+from .types.evaluation_service import CreateEvaluationMetadata
+from .types.evaluation_service import CreateEvaluationRequest
+from .types.evaluation_service import GetEvaluationRequest
+from .types.evaluation_service import ListEvaluationResultsRequest
+from .types.evaluation_service import ListEvaluationResultsResponse
+from .types.evaluation_service import ListEvaluationsRequest
+from .types.evaluation_service import ListEvaluationsResponse
+from .types.grounded_generation_service import CheckGroundingRequest
+from .types.grounded_generation_service import CheckGroundingResponse
+from .types.grounded_generation_service import CheckGroundingSpec
+from .types.grounding import FactChunk
+from .types.grounding import GroundingFact
+from .types.import_config import AlloyDbSource
+from .types.import_config import BigQuerySource
+from .types.import_config import BigtableOptions
+from .types.import_config import BigtableSource
+from .types.import_config import CloudSqlSource
+from .types.import_config import FhirStoreSource
+from .types.import_config import FirestoreSource
+from .types.import_config import GcsSource
+from .types.import_config import ImportCompletionSuggestionsMetadata
+from .types.import_config import ImportCompletionSuggestionsRequest
+from .types.import_config import ImportCompletionSuggestionsResponse
+from .types.import_config import ImportDocumentsMetadata
+from .types.import_config import ImportDocumentsRequest
+from .types.import_config import ImportDocumentsResponse
+from .types.import_config import ImportErrorConfig
+from .types.import_config import ImportSampleQueriesMetadata
+from .types.import_config import ImportSampleQueriesRequest
+from .types.import_config import ImportSampleQueriesResponse
+from .types.import_config import ImportSuggestionDenyListEntriesMetadata
+from .types.import_config import ImportSuggestionDenyListEntriesRequest
+from .types.import_config import ImportSuggestionDenyListEntriesResponse
+from .types.import_config import ImportUserEventsMetadata
+from .types.import_config import ImportUserEventsRequest
+from .types.import_config import ImportUserEventsResponse
+from .types.import_config import SpannerSource
 from .types.project import Project
-from .types.project_service import (
-    GetProjectRequest,
-    ProvisionProjectMetadata,
-    ProvisionProjectRequest,
-    ReportConsentChangeRequest,
-)
-from .types.purge_config import (
-    PurgeCompletionSuggestionsMetadata,
-    PurgeCompletionSuggestionsRequest,
-    PurgeCompletionSuggestionsResponse,
-    PurgeDocumentsMetadata,
-    PurgeDocumentsRequest,
-    PurgeDocumentsResponse,
-    PurgeErrorConfig,
-    PurgeSuggestionDenyListEntriesMetadata,
-    PurgeSuggestionDenyListEntriesRequest,
-    PurgeSuggestionDenyListEntriesResponse,
-    PurgeUserEventsMetadata,
-    PurgeUserEventsRequest,
-    PurgeUserEventsResponse,
-)
-from .types.rank_service import RankingRecord, RankRequest, RankResponse
-from .types.recommendation_service import RecommendRequest, RecommendResponse
+from .types.project_service import GetProjectRequest
+from .types.project_service import ProvisionProjectMetadata
+from .types.project_service import ProvisionProjectRequest
+from .types.project_service import ReportConsentChangeRequest
+from .types.purge_config import PurgeCompletionSuggestionsMetadata
+from .types.purge_config import PurgeCompletionSuggestionsRequest
+from .types.purge_config import PurgeCompletionSuggestionsResponse
+from .types.purge_config import PurgeDocumentsMetadata
+from .types.purge_config import PurgeDocumentsRequest
+from .types.purge_config import PurgeDocumentsResponse
+from .types.purge_config import PurgeErrorConfig
+from .types.purge_config import PurgeSuggestionDenyListEntriesMetadata
+from .types.purge_config import PurgeSuggestionDenyListEntriesRequest
+from .types.purge_config import PurgeSuggestionDenyListEntriesResponse
+from .types.purge_config import PurgeUserEventsMetadata
+from .types.purge_config import PurgeUserEventsRequest
+from .types.purge_config import PurgeUserEventsResponse
+from .types.rank_service import RankingRecord
+from .types.rank_service import RankRequest
+from .types.rank_service import RankResponse
+from .types.recommendation_service import RecommendRequest
+from .types.recommendation_service import RecommendResponse
 from .types.sample_query import SampleQuery
-from .types.sample_query_service import (
-    CreateSampleQueryRequest,
-    DeleteSampleQueryRequest,
-    GetSampleQueryRequest,
-    ListSampleQueriesRequest,
-    ListSampleQueriesResponse,
-    UpdateSampleQueryRequest,
-)
+from .types.sample_query_service import CreateSampleQueryRequest
+from .types.sample_query_service import DeleteSampleQueryRequest
+from .types.sample_query_service import GetSampleQueryRequest
+from .types.sample_query_service import ListSampleQueriesRequest
+from .types.sample_query_service import ListSampleQueriesResponse
+from .types.sample_query_service import UpdateSampleQueryRequest
 from .types.sample_query_set import SampleQuerySet
-from .types.sample_query_set_service import (
-    CreateSampleQuerySetRequest,
-    DeleteSampleQuerySetRequest,
-    GetSampleQuerySetRequest,
-    ListSampleQuerySetsRequest,
-    ListSampleQuerySetsResponse,
-    UpdateSampleQuerySetRequest,
-)
-from .types.schema import FieldConfig, Schema
-from .types.schema_service import (
-    CreateSchemaMetadata,
-    CreateSchemaRequest,
-    DeleteSchemaMetadata,
-    DeleteSchemaRequest,
-    GetSchemaRequest,
-    ListSchemasRequest,
-    ListSchemasResponse,
-    UpdateSchemaMetadata,
-    UpdateSchemaRequest,
-)
-from .types.search_service import SearchRequest, SearchResponse
-from .types.search_tuning_service import (
-    ListCustomModelsRequest,
-    ListCustomModelsResponse,
-    TrainCustomModelMetadata,
-    TrainCustomModelRequest,
-    TrainCustomModelResponse,
-)
+from .types.sample_query_set_service import CreateSampleQuerySetRequest
+from .types.sample_query_set_service import DeleteSampleQuerySetRequest
+from .types.sample_query_set_service import GetSampleQuerySetRequest
+from .types.sample_query_set_service import ListSampleQuerySetsRequest
+from .types.sample_query_set_service import ListSampleQuerySetsResponse
+from .types.sample_query_set_service import UpdateSampleQuerySetRequest
+from .types.schema import FieldConfig
+from .types.schema import Schema
+from .types.schema_service import CreateSchemaMetadata
+from .types.schema_service import CreateSchemaRequest
+from .types.schema_service import DeleteSchemaMetadata
+from .types.schema_service import DeleteSchemaRequest
+from .types.schema_service import GetSchemaRequest
+from .types.schema_service import ListSchemasRequest
+from .types.schema_service import ListSchemasResponse
+from .types.schema_service import UpdateSchemaMetadata
+from .types.schema_service import UpdateSchemaRequest
+from .types.search_service import SearchRequest
+from .types.search_service import SearchResponse
+from .types.search_tuning_service import ListCustomModelsRequest
+from .types.search_tuning_service import ListCustomModelsResponse
+from .types.search_tuning_service import TrainCustomModelMetadata
+from .types.search_tuning_service import TrainCustomModelRequest
+from .types.search_tuning_service import TrainCustomModelResponse
 from .types.serving_config import ServingConfig
-from .types.serving_config_service import (
-    GetServingConfigRequest,
-    ListServingConfigsRequest,
-    ListServingConfigsResponse,
-    UpdateServingConfigRequest,
-)
-from .types.session import (
-    FileCharacteristics,
-    FileMetadata,
-    FileSource,
-    FileView,
-    ImageCharacteristics,
-    Query,
-    Session,
-    VideoCharacteristics,
-)
-from .types.session_service import ListFilesRequest, ListFilesResponse
-from .types.site_search_engine import SiteSearchEngine, SiteVerificationInfo, TargetSite
-from .types.site_search_engine_service import (
-    BatchCreateTargetSiteMetadata,
-    BatchCreateTargetSitesRequest,
-    BatchCreateTargetSitesResponse,
-    BatchVerifyTargetSitesMetadata,
-    BatchVerifyTargetSitesRequest,
-    BatchVerifyTargetSitesResponse,
-    CreateTargetSiteMetadata,
-    CreateTargetSiteRequest,
-    DeleteTargetSiteMetadata,
-    DeleteTargetSiteRequest,
-    DisableAdvancedSiteSearchMetadata,
-    DisableAdvancedSiteSearchRequest,
-    DisableAdvancedSiteSearchResponse,
-    EnableAdvancedSiteSearchMetadata,
-    EnableAdvancedSiteSearchRequest,
-    EnableAdvancedSiteSearchResponse,
-    FetchDomainVerificationStatusRequest,
-    FetchDomainVerificationStatusResponse,
-    GetSiteSearchEngineRequest,
-    GetTargetSiteRequest,
-    GetUriPatternDocumentDataRequest,
-    GetUriPatternDocumentDataResponse,
-    ListTargetSitesRequest,
-    ListTargetSitesResponse,
-    RecrawlUrisMetadata,
-    RecrawlUrisRequest,
-    RecrawlUrisResponse,
-    SetUriPatternDocumentDataMetadata,
-    SetUriPatternDocumentDataRequest,
-    SetUriPatternDocumentDataResponse,
-    UpdateTargetSiteMetadata,
-    UpdateTargetSiteRequest,
-)
-from .types.user_event import (
-    CompletionInfo,
-    DocumentInfo,
-    MediaInfo,
-    PageInfo,
-    PanelInfo,
-    SearchInfo,
-    TransactionInfo,
-    UserEvent,
-)
-from .types.user_event_service import CollectUserEventRequest, WriteUserEventRequest
+from .types.serving_config_service import GetServingConfigRequest
+from .types.serving_config_service import ListServingConfigsRequest
+from .types.serving_config_service import ListServingConfigsResponse
+from .types.serving_config_service import UpdateServingConfigRequest
+from .types.session import FileCharacteristics
+from .types.session import FileMetadata
+from .types.session import FileView
+from .types.session import ImageCharacteristics
+from .types.session import Query
+from .types.session import Session
+from .types.session import VideoCharacteristics
+from .types.session import FileSource
+from .types.session_service import ListFilesRequest
+from .types.session_service import ListFilesResponse
+from .types.site_search_engine import SiteSearchEngine
+from .types.site_search_engine import SiteVerificationInfo
+from .types.site_search_engine import TargetSite
+from .types.site_search_engine_service import BatchCreateTargetSiteMetadata
+from .types.site_search_engine_service import BatchCreateTargetSitesRequest
+from .types.site_search_engine_service import BatchCreateTargetSitesResponse
+from .types.site_search_engine_service import BatchVerifyTargetSitesMetadata
+from .types.site_search_engine_service import BatchVerifyTargetSitesRequest
+from .types.site_search_engine_service import BatchVerifyTargetSitesResponse
+from .types.site_search_engine_service import CreateTargetSiteMetadata
+from .types.site_search_engine_service import CreateTargetSiteRequest
+from .types.site_search_engine_service import DeleteTargetSiteMetadata
+from .types.site_search_engine_service import DeleteTargetSiteRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import DisableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import EnableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import EnableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import EnableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import FetchDomainVerificationStatusRequest
+from .types.site_search_engine_service import FetchDomainVerificationStatusResponse
+from .types.site_search_engine_service import GetSiteSearchEngineRequest
+from .types.site_search_engine_service import GetTargetSiteRequest
+from .types.site_search_engine_service import GetUriPatternDocumentDataRequest
+from .types.site_search_engine_service import GetUriPatternDocumentDataResponse
+from .types.site_search_engine_service import ListTargetSitesRequest
+from .types.site_search_engine_service import ListTargetSitesResponse
+from .types.site_search_engine_service import RecrawlUrisMetadata
+from .types.site_search_engine_service import RecrawlUrisRequest
+from .types.site_search_engine_service import RecrawlUrisResponse
+from .types.site_search_engine_service import SetUriPatternDocumentDataMetadata
+from .types.site_search_engine_service import SetUriPatternDocumentDataRequest
+from .types.site_search_engine_service import SetUriPatternDocumentDataResponse
+from .types.site_search_engine_service import UpdateTargetSiteMetadata
+from .types.site_search_engine_service import UpdateTargetSiteRequest
+from .types.user_event import CompletionInfo
+from .types.user_event import DocumentInfo
+from .types.user_event import MediaInfo
+from .types.user_event import PageInfo
+from .types.user_event import PanelInfo
+from .types.user_event import SearchInfo
+from .types.user_event import TransactionInfo
+from .types.user_event import UserEvent
+from .types.user_event_service import CollectUserEventRequest
+from .types.user_event_service import WriteUserEventRequest
 
 __all__ = (
     "AclConfigServiceAsyncClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/gapic_version.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/gapic_version.py
index 6b356a66811e..fd79d4e761b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/gapic_version.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.15.0"  # {x-release-please-version}
+__version__ = "0.4.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/__init__.py
index cd730339d43b..3c5f2380e16f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import AclConfigServiceAsyncClient
 from .client import AclConfigServiceClient
+from .async_client import AclConfigServiceAsyncClient
 
 __all__ = (
     "AclConfigServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/async_client.py
index d035bf351f59..15b73d602a24 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,33 +29,30 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    acl_config,
-    acl_config_service,
-    common,
-)
-
-from .client import AclConfigServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, AclConfigServiceTransport
+from .transports.base import AclConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import AclConfigServiceGrpcAsyncIOTransport
+from .client import AclConfigServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -119,7 +116,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             AclConfigServiceAsyncClient: The constructed client.
         """
-        return AclConfigServiceClient.from_service_account_info.__func__(AclConfigServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return AclConfigServiceClient.from_service_account_info.__func__(
+            AclConfigServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -135,7 +134,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             AclConfigServiceAsyncClient: The constructed client.
         """
-        return AclConfigServiceClient.from_service_account_file.__func__(AclConfigServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return AclConfigServiceClient.from_service_account_file.__func__(
+            AclConfigServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/client.py
index 3dfd53322b7a..b7785d4fc935 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,16 +61,12 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    acl_config,
-    acl_config_service,
-    common,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, AclConfigServiceTransport
+from .transports.base import AclConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import AclConfigServiceGrpcTransport
 from .transports.grpc_asyncio import AclConfigServiceGrpcAsyncIOTransport
 from .transports.rest import AclConfigServiceRestTransport
@@ -84,9 +80,7 @@ class AclConfigServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[AclConfigServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[AclConfigServiceTransport]]
     _transport_registry["grpc"] = AclConfigServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = AclConfigServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = AclConfigServiceRestTransport
@@ -607,11 +601,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = AclConfigServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            AclConfigServiceClient._read_environment_variables()
+        )
         self._client_cert_source = AclConfigServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -646,8 +638,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(AclConfigServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/__init__.py
index 8e0c67e64951..9438fef5861b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import AclConfigServiceTransport
 from .grpc import AclConfigServiceGrpcTransport
 from .grpc_asyncio import AclConfigServiceGrpcAsyncIOTransport
-from .rest import AclConfigServiceRestInterceptor, AclConfigServiceRestTransport
+from .rest import AclConfigServiceRestTransport
+from .rest import AclConfigServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[AclConfigServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/base.py
index 618452017c71..0bc09b78dae9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import acl_config, acl_config_service
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -213,7 +215,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc.py
index 43d56bd1e0cd..22f41a24a482 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import acl_config, acl_config_service
-
-from .base import DEFAULT_CLIENT_INFO, AclConfigServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import AclConfigServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc_asyncio.py
index 3cdaf8d90c3a..a56050165430 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import acl_config, acl_config_service
-
-from .base import DEFAULT_CLIENT_INFO, AclConfigServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import AclConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import AclConfigServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest.py
index 546972609cc5..efce4d7af36e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import acl_config, acl_config_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseAclConfigServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -556,9 +563,7 @@ def __call__(
                     Access Control Configuration.
             """
 
-            http_options = (
-                _BaseAclConfigServiceRestTransport._BaseUpdateAclConfig._get_http_options()
-            )
+            http_options = _BaseAclConfigServiceRestTransport._BaseUpdateAclConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_acl_config(
                 request, metadata
@@ -725,9 +730,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseAclConfigServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseAclConfigServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -987,9 +990,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseAclConfigServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseAclConfigServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseAclConfigServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest_base.py
index 6cb0bda46066..665a4b694ddd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/acl_config_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import AclConfigServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import acl_config, acl_config_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, AclConfigServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseAclConfigServiceRestTransport(AclConfigServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/__init__.py
index 554df3af4d4f..30276121c13b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ChunkServiceAsyncClient
 from .client import ChunkServiceClient
+from .async_client import ChunkServiceAsyncClient
 
 __all__ = (
     "ChunkServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/async_client.py
index 7960129d3aeb..35c344d2784e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,31 +29,31 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.chunk_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
-
-from .client import ChunkServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ChunkServiceTransport
+from .transports.base import ChunkServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ChunkServiceGrpcAsyncIOTransport
+from .client import ChunkServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -118,7 +118,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ChunkServiceAsyncClient: The constructed client.
         """
-        return ChunkServiceClient.from_service_account_info.__func__(ChunkServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ChunkServiceClient.from_service_account_info.__func__(
+            ChunkServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -134,7 +136,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ChunkServiceAsyncClient: The constructed client.
         """
-        return ChunkServiceClient.from_service_account_file.__func__(ChunkServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ChunkServiceClient.from_service_account_file.__func__(
+            ChunkServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/client.py
index 54952471aac3..6abdcd3a6b82 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,14 +61,13 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.chunk_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ChunkServiceTransport
+from .transports.base import ChunkServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ChunkServiceGrpcTransport
 from .transports.grpc_asyncio import ChunkServiceGrpcAsyncIOTransport
 from .transports.rest import ChunkServiceRestTransport
@@ -639,11 +638,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ChunkServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ChunkServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ChunkServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -678,8 +675,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ChunkServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/pagers.py
index d149f9181cf4..a101da7e842c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
 
 
 class ListChunksPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/__init__.py
index d2ed71755e9d..110c30966a5c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ChunkServiceTransport
 from .grpc import ChunkServiceGrpcTransport
 from .grpc_asyncio import ChunkServiceGrpcAsyncIOTransport
-from .rest import ChunkServiceRestInterceptor, ChunkServiceRestTransport
+from .rest import ChunkServiceRestTransport
+from .rest import ChunkServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ChunkServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/base.py
index fb7b439bfdb8..c9393100ac7c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -215,7 +217,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc.py
index 46433ded4f84..d5a69d7793da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
-
-from .base import DEFAULT_CLIENT_INFO, ChunkServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ChunkServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc_asyncio.py
index 5698a2ab1916..188b8c0404bc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
-
-from .base import DEFAULT_CLIENT_INFO, ChunkServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ChunkServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ChunkServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest.py
index 1a05ebd9eaeb..b4288d43a3b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseChunkServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest_base.py
index 524f7cc817ae..3f4414eb7c30 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/chunk_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ChunkServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, ChunkServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseChunkServiceRestTransport(ChunkServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/__init__.py
index 58eb7a9f0042..480b61be40da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import CompletionServiceAsyncClient
 from .client import CompletionServiceClient
+from .async_client import CompletionServiceAsyncClient
 
 __all__ = (
     "CompletionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/async_client.py
index 664c2c4995ec..607edb80857a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,18 +47,14 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .client import CompletionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
+from .client import CompletionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -121,7 +118,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_info.__func__(CompletionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_info.__func__(
+            CompletionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -137,7 +136,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_file.__func__(CompletionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_file.__func__(
+            CompletionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/client.py
index 8b451d6f52f1..798bdc95fa25 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,16 +63,12 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import CompletionServiceGrpcTransport
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
 from .transports.rest import CompletionServiceRestTransport
@@ -86,9 +82,7 @@ class CompletionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[CompletionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
     _transport_registry["grpc"] = CompletionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = CompletionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = CompletionServiceRestTransport
@@ -614,11 +608,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = CompletionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            CompletionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = CompletionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -653,8 +645,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(CompletionServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/__init__.py
index 20f1ed5f3637..7177c73e997f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import CompletionServiceTransport
 from .grpc import CompletionServiceGrpcTransport
 from .grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
-from .rest import CompletionServiceRestInterceptor, CompletionServiceRestTransport
+from .rest import CompletionServiceRestTransport
+from .rest import CompletionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/base.py
index 85753e9da351..f3719f7d2745 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/base.py
@@ -16,23 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -267,7 +267,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc.py
index e45e1cf97665..16f5e642b100 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc.py
@@ -16,27 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -398,12 +398,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -431,12 +431,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -463,12 +463,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -495,12 +495,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc_asyncio.py
index 7959c031d026..0398566159e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/grpc_asyncio.py
@@ -15,31 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import CompletionServiceGrpcTransport
 
 try:
@@ -407,12 +407,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -441,12 +441,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -474,12 +474,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -507,12 +507,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest.py
index da9b8ec81c86..ed959e82ee47 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest.py
@@ -13,31 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseCompletionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -765,9 +770,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_complete_query(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_transcoded_request(
@@ -919,9 +922,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_import_completion_suggestions(
                 request, metadata
@@ -988,11 +989,10 @@ def __call__(
 
             resp = self._interceptor.post_import_completion_suggestions(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_completion_suggestions_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_completion_suggestions_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1081,15 +1081,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_import_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_import_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1153,11 +1150,10 @@ def __call__(
 
             resp = self._interceptor.post_import_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1244,9 +1240,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_completion_suggestions(
                 request, metadata
@@ -1401,15 +1395,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_purge_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_purge_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1473,11 +1464,10 @@ def __call__(
 
             resp = self._interceptor.post_purge_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1521,7 +1511,9 @@ def import_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def import_suggestion_deny_list_entries(
@@ -1531,7 +1523,9 @@ def import_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_completion_suggestions(
@@ -1541,7 +1535,9 @@ def purge_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_suggestion_deny_list_entries(
@@ -1551,7 +1547,9 @@ def purge_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -1609,9 +1607,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1731,9 +1727,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1872,9 +1866,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest_base.py
index e4b25d9406a0..ca9af230a016 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/completion_service/transports/rest_base.py
@@ -14,21 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseCompletionServiceRestTransport(CompletionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/__init__.py
index d5bd8f14f952..b0aec3b84b78 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ControlServiceAsyncClient
 from .client import ControlServiceClient
+from .async_client import ControlServiceAsyncClient
 
 __all__ = (
     "ControlServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/async_client.py
index e207dc52b9f7..b28939dafb88 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,34 +29,33 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.control_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
-
-from .client import ControlServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
+from .client import ControlServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -126,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_info.__func__(ControlServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_info.__func__(
+            ControlServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -142,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_file.__func__(ControlServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_file.__func__(
+            ControlServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -617,8 +620,8 @@ async def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1alpha.Control]
                 to update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/client.py
index b3f1a5a38e84..6b9b91fa96fb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,17 +61,15 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.control_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ControlServiceGrpcTransport
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
 from .transports.rest import ControlServiceRestTransport
@@ -85,9 +83,7 @@ class ControlServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ControlServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
     _transport_registry["grpc"] = ControlServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ControlServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ControlServiceRestTransport
@@ -637,11 +633,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ControlServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ControlServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ControlServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -676,8 +670,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ControlServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1056,8 +1049,8 @@ def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1alpha.Control]
                 to update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/pagers.py
index 4fdfefa8c941..4580f605e7a0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import control, control_service
+from google.cloud.discoveryengine_v1alpha.types import control
+from google.cloud.discoveryengine_v1alpha.types import control_service
 
 
 class ListControlsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/__init__.py
index 3e0b9c56088b..4c3c6cfd5dbb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ControlServiceTransport
 from .grpc import ControlServiceGrpcTransport
 from .grpc_asyncio import ControlServiceGrpcAsyncIOTransport
-from .rest import ControlServiceRestInterceptor, ControlServiceRestTransport
+from .rest import ControlServiceRestTransport
+from .rest import ControlServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/base.py
index f14cb0b0db9b..0b5ab1732026 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/base.py
@@ -16,22 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +262,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc.py
index 62991007eaaa..104068887aec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc.py
@@ -16,26 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc_asyncio.py
index d7c20e6d8b90..2864088ce148 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/grpc_asyncio.py
@@ -15,30 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ControlServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest.py
index 11b7c06ce997..aee72a72b960 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest.py
@@ -13,30 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseControlServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1295,9 +1301,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest_base.py
index d1e9cc380bc6..d307f66dd95b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/control_service/transports/rest_base.py
@@ -14,20 +14,22 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseControlServiceRestTransport(ControlServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/__init__.py
index 733efd06389f..504962bdc81a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ConversationalSearchServiceAsyncClient
 from .client import ConversationalSearchServiceClient
+from .async_client import ConversationalSearchServiceAsyncClient
 
 __all__ = (
     "ConversationalSearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/async_client.py
index 5a0ed037092d..379fe8d86c19 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,42 +29,39 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    conversational_search_service,
-    search_service,
-)
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
+from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
-
-from .client import ConversationalSearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
+from .client import ConversationalSearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -164,7 +161,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_info.__func__(ConversationalSearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_info.__func__(
+            ConversationalSearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -180,7 +179,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_file.__func__(ConversationalSearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_file.__func__(
+            ConversationalSearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -218,7 +219,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ConversationalSearchServiceTransport:
@@ -767,7 +770,7 @@ async def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1alpha.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -1578,7 +1581,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1alpha.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/client.py
index b2176d642e37..72045e6565a4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,25 +61,21 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    conversational_search_service,
-    search_service,
-)
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
+from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
-
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ConversationalSearchServiceGrpcTransport
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
 from .transports.rest import ConversationalSearchServiceRestTransport
@@ -93,13 +89,11 @@ class ConversationalSearchServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
     _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
-    _transport_registry[
-        "grpc_asyncio"
-    ] = ConversationalSearchServiceGrpcAsyncIOTransport
+    _transport_registry["grpc_asyncio"] = (
+        ConversationalSearchServiceGrpcAsyncIOTransport
+    )
     _transport_registry["rest"] = ConversationalSearchServiceRestTransport
 
     def get_transport_class(
@@ -779,11 +773,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ConversationalSearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ConversationalSearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             ConversationalSearchServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -820,8 +812,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ConversationalSearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1308,7 +1299,7 @@ def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1alpha.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -2099,7 +2090,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1alpha.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/pagers.py
index b6329666a180..159e01232eb5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,11 +37,9 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    conversation,
-    conversational_search_service,
-    session,
-)
+from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
+from google.cloud.discoveryengine_v1alpha.types import session
 
 
 class ListConversationsPager:
@@ -71,7 +68,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -151,7 +148,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -233,7 +230,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -311,7 +308,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/__init__.py
index 855e35aad0c0..88c3053fe65f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import ConversationalSearchServiceTransport
 from .grpc import ConversationalSearchServiceGrpcTransport
 from .grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
-from .rest import (
-    ConversationalSearchServiceRestInterceptor,
-    ConversationalSearchServiceRestTransport,
-)
+from .rest import ConversationalSearchServiceRestTransport
+from .rest import ConversationalSearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
 _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ConversationalSearchServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ConversationalSearchServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/base.py
index ceac47d07e18..51843016f81e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/base.py
@@ -16,25 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -385,7 +386,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc.py
index dfef0082e569..1c33cc77c4b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc.py
@@ -16,29 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc_asyncio.py
index d7ce30c63f09..fa4392b6dca7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/grpc_asyncio.py
@@ -15,33 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ConversationalSearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest.py
index 95bdbd1bbd07..0090f97891f6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest.py
@@ -13,33 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseConversationalSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -977,9 +983,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_answer_query(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_transcoded_request(
@@ -1139,9 +1143,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_converse_conversation(
                 request, metadata
@@ -1299,9 +1301,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_create_conversation(
                 request, metadata
@@ -1452,9 +1452,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_create_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_transcoded_request(
@@ -1601,9 +1599,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_conversation(
                 request, metadata
@@ -1710,9 +1706,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_transcoded_request(
@@ -1823,9 +1817,7 @@ def __call__(
                     Defines an answer.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
 
             request, metadata = self._interceptor.pre_get_answer(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_transcoded_request(
@@ -1972,9 +1964,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_conversation(
                 request, metadata
@@ -2121,9 +2111,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
 
             request, metadata = self._interceptor.pre_get_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_transcoded_request(
@@ -2270,9 +2258,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_conversations(
                 request, metadata
@@ -2421,9 +2407,7 @@ def __call__(
                     Response for ListSessions method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sessions(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_transcoded_request(
@@ -2576,9 +2560,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_update_conversation(
                 request, metadata
@@ -2729,9 +2711,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_update_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_transcoded_request(
@@ -3015,9 +2995,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3140,9 +3118,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -3283,9 +3259,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest_base.py
index da084da104dc..9a4acd9ab184 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/conversational_search_service/transports/rest_base.py
@@ -14,23 +14,25 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import answer
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseConversationalSearchServiceRestTransport(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/__init__.py
index aaea8b56ac8a..b8c5d59ab4e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DataStoreServiceAsyncClient
 from .client import DataStoreServiceClient
+from .async_client import DataStoreServiceAsyncClient
 
 __all__ = (
     "DataStoreServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/async_client.py
index f7fe424c9fb2..a07c9a117d63 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,26 +47,24 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import schema
-
-from .client import DataStoreServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
+from .client import DataStoreServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -142,7 +141,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_info.__func__(DataStoreServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_info.__func__(
+            DataStoreServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -158,7 +159,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_file.__func__(DataStoreServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_file.__func__(
+            DataStoreServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -1240,7 +1243,7 @@ async def sample_update_document_processing_config():
                 [DocumentProcessingConfig][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig]
                 to update. The following are the only supported fields:
 
-                - [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
+                -  [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/client.py
index 5745c9ac53d2..d2eaa9a285b1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,24 +63,22 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import schema
-
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DataStoreServiceGrpcTransport
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
 from .transports.rest import DataStoreServiceRestTransport
@@ -94,9 +92,7 @@ class DataStoreServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DataStoreServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
     _transport_registry["grpc"] = DataStoreServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DataStoreServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DataStoreServiceRestTransport
@@ -693,11 +689,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DataStoreServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DataStoreServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DataStoreServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -732,8 +726,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DataStoreServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1708,7 +1701,7 @@ def sample_update_document_processing_config():
                 [DocumentProcessingConfig][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig]
                 to update. The following are the only supported fields:
 
-                - [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
+                -  [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/pagers.py
index bf1af67548e6..54422857c576 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import data_store, data_store_service
+from google.cloud.discoveryengine_v1alpha.types import data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 
 
 class ListDataStoresPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/__init__.py
index 70a5571eccbe..9230588b12ff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DataStoreServiceTransport
 from .grpc import DataStoreServiceGrpcTransport
 from .grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
-from .rest import DataStoreServiceRestInterceptor, DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/base.py
index 1ef1fbe7031d..b7f3d5518b54 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/base.py
@@ -16,25 +16,27 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -303,7 +305,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc.py
index 6b4a0fe42fa0..096023e01c8c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc.py
@@ -16,29 +16,31 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -522,12 +524,12 @@ def get_document_processing_config(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_document_processing_config" not in self._stubs:
-            self._stubs[
-                "get_document_processing_config"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DataStoreService/GetDocumentProcessingConfig",
-                request_serializer=data_store_service.GetDocumentProcessingConfigRequest.serialize,
-                response_deserializer=document_processing_config.DocumentProcessingConfig.deserialize,
+            self._stubs["get_document_processing_config"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DataStoreService/GetDocumentProcessingConfig",
+                    request_serializer=data_store_service.GetDocumentProcessingConfigRequest.serialize,
+                    response_deserializer=document_processing_config.DocumentProcessingConfig.deserialize,
+                )
             )
         return self._stubs["get_document_processing_config"]
 
@@ -562,12 +564,12 @@ def update_document_processing_config(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "update_document_processing_config" not in self._stubs:
-            self._stubs[
-                "update_document_processing_config"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DataStoreService/UpdateDocumentProcessingConfig",
-                request_serializer=data_store_service.UpdateDocumentProcessingConfigRequest.serialize,
-                response_deserializer=gcd_document_processing_config.DocumentProcessingConfig.deserialize,
+            self._stubs["update_document_processing_config"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DataStoreService/UpdateDocumentProcessingConfig",
+                    request_serializer=data_store_service.UpdateDocumentProcessingConfigRequest.serialize,
+                    response_deserializer=gcd_document_processing_config.DocumentProcessingConfig.deserialize,
+                )
             )
         return self._stubs["update_document_processing_config"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc_asyncio.py
index be0a75a2844a..db8aa34f9c3d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/grpc_asyncio.py
@@ -15,33 +15,35 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DataStoreServiceGrpcTransport
 
 try:
@@ -532,12 +534,12 @@ def get_document_processing_config(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_document_processing_config" not in self._stubs:
-            self._stubs[
-                "get_document_processing_config"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DataStoreService/GetDocumentProcessingConfig",
-                request_serializer=data_store_service.GetDocumentProcessingConfigRequest.serialize,
-                response_deserializer=document_processing_config.DocumentProcessingConfig.deserialize,
+            self._stubs["get_document_processing_config"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DataStoreService/GetDocumentProcessingConfig",
+                    request_serializer=data_store_service.GetDocumentProcessingConfigRequest.serialize,
+                    response_deserializer=document_processing_config.DocumentProcessingConfig.deserialize,
+                )
             )
         return self._stubs["get_document_processing_config"]
 
@@ -572,12 +574,12 @@ def update_document_processing_config(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "update_document_processing_config" not in self._stubs:
-            self._stubs[
-                "update_document_processing_config"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DataStoreService/UpdateDocumentProcessingConfig",
-                request_serializer=data_store_service.UpdateDocumentProcessingConfigRequest.serialize,
-                response_deserializer=gcd_document_processing_config.DocumentProcessingConfig.deserialize,
+            self._stubs["update_document_processing_config"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DataStoreService/UpdateDocumentProcessingConfig",
+                    request_serializer=data_store_service.UpdateDocumentProcessingConfigRequest.serialize,
+                    response_deserializer=gcd_document_processing_config.DocumentProcessingConfig.deserialize,
+                )
             )
         return self._stubs["update_document_processing_config"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest.py
index 3c5e0577ef4b..9d7726e32169 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest.py
@@ -13,33 +13,40 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDataStoreServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -890,9 +897,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_create_data_store(
                 request, metadata
@@ -1045,9 +1050,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_data_store(
                 request, metadata
@@ -1349,9 +1352,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseGetDocumentProcessingConfig._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseGetDocumentProcessingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_get_document_processing_config(
                 request, metadata
@@ -1415,11 +1416,10 @@ def __call__(
 
             resp = self._interceptor.post_get_document_processing_config(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_get_document_processing_config_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_get_document_processing_config_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1507,9 +1507,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
 
             request, metadata = self._interceptor.pre_list_data_stores(
                 request, metadata
@@ -1661,9 +1659,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_update_data_store(
                 request, metadata
@@ -1825,9 +1821,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseUpdateDocumentProcessingConfig._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseUpdateDocumentProcessingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_document_processing_config(
                 request, metadata
@@ -1896,11 +1890,10 @@ def __call__(
 
             resp = self._interceptor.post_update_document_processing_config(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_update_document_processing_config_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_update_document_processing_config_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1966,7 +1959,9 @@ def get_document_processing_config(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._GetDocumentProcessingConfig(self._session, self._host, self._interceptor)  # type: ignore
+        return self._GetDocumentProcessingConfig(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def list_data_stores(
@@ -1998,7 +1993,9 @@ def update_document_processing_config(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._UpdateDocumentProcessingConfig(self._session, self._host, self._interceptor)  # type: ignore
+        return self._UpdateDocumentProcessingConfig(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -2056,9 +2053,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -2318,9 +2313,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDataStoreServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest_base.py
index a651b272c3a3..eabfc0f20c41 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/data_store_service/transports/rest_base.py
@@ -14,23 +14,25 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDataStoreServiceRestTransport(DataStoreServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/__init__.py
index 0bd096115c9e..4d6f3ee464d0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DocumentServiceAsyncClient
 from .client import DocumentServiceClient
+from .async_client import DocumentServiceAsyncClient
 
 __all__ = (
     "DocumentServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/async_client.py
index 967e825c1fc6..94c73465ef0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,24 +47,20 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.document_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import document
+from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.document_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1alpha.types import document
-from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
-
-from .client import DocumentServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
+from .client import DocumentServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -134,7 +131,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_info.__func__(DocumentServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_info.__func__(
+            DocumentServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -150,7 +149,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_file.__func__(DocumentServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_file.__func__(
+            DocumentServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/client.py
index 6e91ecc3fe65..6c576131577a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,22 +63,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.document_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import document
+from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.document_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1alpha.types import document
-from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
-
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DocumentServiceGrpcTransport
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
 from .transports.rest import DocumentServiceRestTransport
@@ -92,9 +88,7 @@ class DocumentServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DocumentServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
     _transport_registry["grpc"] = DocumentServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DocumentServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DocumentServiceRestTransport
@@ -673,11 +667,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DocumentServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DocumentServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DocumentServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -712,8 +704,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DocumentServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/pagers.py
index a6d2f86a14a2..9c48311a5289 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import document, document_service
+from google.cloud.discoveryengine_v1alpha.types import document
+from google.cloud.discoveryengine_v1alpha.types import document_service
 
 
 class ListDocumentsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/__init__.py
index 08578a95ea6d..de821c2b2022 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DocumentServiceTransport
 from .grpc import DocumentServiceGrpcTransport
 from .grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
-from .rest import DocumentServiceRestInterceptor, DocumentServiceRestTransport
+from .rest import DocumentServiceRestTransport
+from .rest import DocumentServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/base.py
index 0ff60c3c5f1d..4a9a7de7d685 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/base.py
@@ -16,26 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1alpha.types import document
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -338,7 +338,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc.py
index 5e7fa066e5ff..9714e641d1ae 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc.py
@@ -16,30 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1alpha.types import document
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -616,12 +616,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc_asyncio.py
index d9ac56379040..07aef91549c7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/grpc_asyncio.py
@@ -15,34 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1alpha.types import document
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DocumentServiceGrpcTransport
 
 try:
@@ -634,12 +634,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest.py
index c91818db2d7f..efb691250e93 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest.py
@@ -13,34 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1alpha.types import document
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDocumentServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -955,9 +960,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_get_documents_metadata(
                 request, metadata
@@ -1113,9 +1116,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_create_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_transcoded_request(
@@ -1260,9 +1261,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_transcoded_request(
@@ -1525,9 +1524,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseGetProcessedDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseGetProcessedDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_get_processed_document(
                 request, metadata
@@ -1675,9 +1672,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_import_documents(
                 request, metadata
@@ -1981,9 +1976,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_documents(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_transcoded_request(
@@ -2134,9 +2127,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_update_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_transcoded_request(
@@ -2238,7 +2229,9 @@ def batch_get_documents_metadata(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchGetDocumentsMetadata(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchGetDocumentsMetadata(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_document(
@@ -2363,9 +2356,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -2625,9 +2616,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest_base.py
index 169f1a83cbbe..3af78305aaeb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/document_service/transports/rest_base.py
@@ -14,24 +14,24 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1alpha.types import document
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDocumentServiceRestTransport(DocumentServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/__init__.py
index f028860e65ae..e6da99d73e86 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EngineServiceAsyncClient
 from .client import EngineServiceClient
+from .async_client import EngineServiceAsyncClient
 
 __all__ = (
     "EngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/async_client.py
index 6c654fc9e890..dd0cf07662ab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,21 +47,19 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.engine_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
-
-from .client import EngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
+from .client import EngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_info.__func__(EngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_info.__func__(
+            EngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_file.__func__(EngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_file.__func__(
+            EngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/client.py
index a01cd08a95c2..19355f711bdd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,19 +63,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.engine_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EngineServiceGrpcTransport
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
 from .transports.rest import EngineServiceRestTransport
@@ -639,11 +637,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EngineServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -678,8 +674,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/pagers.py
index 50ef5dbbc624..d6df4c84ee36 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import engine, engine_service
+from google.cloud.discoveryengine_v1alpha.types import engine
+from google.cloud.discoveryengine_v1alpha.types import engine_service
 
 
 class ListEnginesPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/__init__.py
index b4ffb09de4fe..196454992873 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import EngineServiceTransport
 from .grpc import EngineServiceGrpcTransport
 from .grpc_asyncio import EngineServiceGrpcAsyncIOTransport
-from .rest import EngineServiceRestInterceptor, EngineServiceRestTransport
+from .rest import EngineServiceRestTransport
+from .rest import EngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[EngineServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/base.py
index 3150765e8df8..a218aa5da080 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -307,7 +309,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc.py
index 804660e8de71..173f4cc858aa 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc_asyncio.py
index e31cf83803e6..7619ad402234 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EngineServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest.py
index ebf00ce3ec1e..b179684fe3f8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest_base.py
index 3ad4bdc6c541..e1c4142b4431 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/engine_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEngineServiceRestTransport(EngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/__init__.py
index 4eea03a4e934..e78603a32fd1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EstimateBillingServiceAsyncClient
 from .client import EstimateBillingServiceClient
+from .async_client import EstimateBillingServiceAsyncClient
 
 __all__ = (
     "EstimateBillingServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/async_client.py
index 55863e8bcacd..f74a06c4a22e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,14 +47,12 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
-
-from .client import EstimateBillingServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EstimateBillingServiceTransport
+from .transports.base import EstimateBillingServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EstimateBillingServiceGrpcAsyncIOTransport
+from .client import EstimateBillingServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -119,7 +118,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EstimateBillingServiceAsyncClient: The constructed client.
         """
-        return EstimateBillingServiceClient.from_service_account_info.__func__(EstimateBillingServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EstimateBillingServiceClient.from_service_account_info.__func__(
+            EstimateBillingServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -135,7 +136,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EstimateBillingServiceAsyncClient: The constructed client.
         """
-        return EstimateBillingServiceClient.from_service_account_file.__func__(EstimateBillingServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EstimateBillingServiceClient.from_service_account_file.__func__(
+            EstimateBillingServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -173,7 +176,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return EstimateBillingServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return EstimateBillingServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> EstimateBillingServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/client.py
index 295d28caae98..3d8b4b19a347 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,12 +63,10 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EstimateBillingServiceTransport
+from .transports.base import EstimateBillingServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EstimateBillingServiceGrpcTransport
 from .transports.grpc_asyncio import EstimateBillingServiceGrpcAsyncIOTransport
 from .transports.rest import EstimateBillingServiceRestTransport
@@ -82,9 +80,7 @@ class EstimateBillingServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[EstimateBillingServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[EstimateBillingServiceTransport]]
     _transport_registry["grpc"] = EstimateBillingServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = EstimateBillingServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = EstimateBillingServiceRestTransport
@@ -607,11 +603,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EstimateBillingServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EstimateBillingServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EstimateBillingServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -646,8 +640,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EstimateBillingServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/__init__.py
index 3a94a649d916..e592c6306fe9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import EstimateBillingServiceTransport
 from .grpc import EstimateBillingServiceGrpcTransport
 from .grpc_asyncio import EstimateBillingServiceGrpcAsyncIOTransport
-from .rest import (
-    EstimateBillingServiceRestInterceptor,
-    EstimateBillingServiceRestTransport,
-)
+from .rest import EstimateBillingServiceRestTransport
+from .rest import EstimateBillingServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[EstimateBillingServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[EstimateBillingServiceTransport]]
 _transport_registry["grpc"] = EstimateBillingServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = EstimateBillingServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = EstimateBillingServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/base.py
index db8681250764..0ee82f59ea66 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -204,7 +206,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc.py
index b8595639994d..cb318a3aeffc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
-
-from .base import DEFAULT_CLIENT_INFO, EstimateBillingServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EstimateBillingServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc_asyncio.py
index 81ab1944b72a..043aaaac97c1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
-
-from .base import DEFAULT_CLIENT_INFO, EstimateBillingServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EstimateBillingServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EstimateBillingServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest.py
index 399c5d25dd0d..f55634f80f0e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEstimateBillingServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -532,9 +539,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEstimateBillingServiceRestTransport._BaseEstimateDataSize._get_http_options()
-            )
+            http_options = _BaseEstimateBillingServiceRestTransport._BaseEstimateDataSize._get_http_options()
 
             request, metadata = self._interceptor.pre_estimate_data_size(
                 request, metadata
@@ -695,9 +700,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseEstimateBillingServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseEstimateBillingServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -820,9 +823,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseEstimateBillingServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseEstimateBillingServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseEstimateBillingServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -961,9 +962,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseEstimateBillingServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseEstimateBillingServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseEstimateBillingServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest_base.py
index 9cffed7b546b..fde60a2f2e2e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/estimate_billing_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EstimateBillingServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
-
-from .base import DEFAULT_CLIENT_INFO, EstimateBillingServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEstimateBillingServiceRestTransport(EstimateBillingServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/__init__.py
index 9cbde8f5c38c..f2bfe018defb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EvaluationServiceAsyncClient
 from .client import EvaluationServiceClient
+from .async_client import EvaluationServiceAsyncClient
 
 __all__ = (
     "EvaluationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/async_client.py
index 27c72b9a272a..3907fcc3074e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,19 +47,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.evaluation_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1alpha.types import evaluation
-from google.cloud.discoveryengine_v1alpha.types import evaluation_service
-
-from .client import EvaluationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from .transports.base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
+from .client import EvaluationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -144,7 +143,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EvaluationServiceAsyncClient: The constructed client.
         """
-        return EvaluationServiceClient.from_service_account_info.__func__(EvaluationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EvaluationServiceClient.from_service_account_info.__func__(
+            EvaluationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -160,7 +161,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EvaluationServiceAsyncClient: The constructed client.
         """
-        return EvaluationServiceClient.from_service_account_file.__func__(EvaluationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EvaluationServiceClient.from_service_account_file.__func__(
+            EvaluationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/client.py
index 4ba0e1bdd446..b590d7908a64 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,17 +63,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.evaluation_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1alpha.types import evaluation
-from google.cloud.discoveryengine_v1alpha.types import evaluation_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from .transports.base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EvaluationServiceGrpcTransport
 from .transports.grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
 from .transports.rest import EvaluationServiceRestTransport
@@ -87,9 +85,7 @@ class EvaluationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[EvaluationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[EvaluationServiceTransport]]
     _transport_registry["grpc"] = EvaluationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = EvaluationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = EvaluationServiceRestTransport
@@ -776,11 +772,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EvaluationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EvaluationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EvaluationServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -815,8 +809,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EvaluationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/pagers.py
index daa00c99e2d8..86639e4e4f1f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
 
 
 class ListEvaluationsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -223,7 +223,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -303,7 +303,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/__init__.py
index c3cac92e11d7..12617337e606 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import EvaluationServiceTransport
 from .grpc import EvaluationServiceGrpcTransport
 from .grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
-from .rest import EvaluationServiceRestInterceptor, EvaluationServiceRestTransport
+from .rest import EvaluationServiceRestTransport
+from .rest import EvaluationServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[EvaluationServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/base.py
index 7bcef19ee806..f260f7ef9e9b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/base.py
@@ -16,19 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -252,7 +255,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc.py
index 344488b60937..455b772e820e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc.py
@@ -16,23 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
-
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc_asyncio.py
index b35d2cf49836..e99d4a535570 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/grpc_asyncio.py
@@ -15,27 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
-
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EvaluationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest.py
index ac044da80ed0..bbc8de558959 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest.py
@@ -13,27 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEvaluationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -709,9 +717,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseCreateEvaluation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseCreateEvaluation._get_http_options()
 
             request, metadata = self._interceptor.pre_create_evaluation(
                 request, metadata
@@ -865,9 +871,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_evaluation(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_transcoded_request(
@@ -1015,9 +1019,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListEvaluationResults._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListEvaluationResults._get_http_options()
 
             request, metadata = self._interceptor.pre_list_evaluation_results(
                 request, metadata
@@ -1173,9 +1175,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListEvaluations._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListEvaluations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_evaluations(
                 request, metadata
@@ -1363,9 +1363,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1485,9 +1483,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1626,9 +1622,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest_base.py
index fb472becc831..9223819bc86c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/evaluation_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import evaluation, evaluation_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEvaluationServiceRestTransport(EvaluationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/__init__.py
index 6fea6cab0de9..4cfbfc0e118a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import GroundedGenerationServiceAsyncClient
 from .client import GroundedGenerationServiceClient
+from .async_client import GroundedGenerationServiceAsyncClient
 
 __all__ = (
     "GroundedGenerationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/async_client.py
index 0612b2bb6a49..0bdcc34bb91c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,32 +29,29 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
+from google.cloud.discoveryengine_v1alpha.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    grounded_generation_service,
-    grounding,
-)
-
-from .client import GroundedGenerationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
+from .client import GroundedGenerationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -130,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_info.__func__(GroundedGenerationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_info.__func__(
+            GroundedGenerationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -146,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_file.__func__(GroundedGenerationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_file.__func__(
+            GroundedGenerationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -184,7 +185,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> GroundedGenerationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/client.py
index 95e72a67404d..c28efce7a27d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,15 +61,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
+from google.cloud.discoveryengine_v1alpha.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    grounded_generation_service,
-    grounding,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import GroundedGenerationServiceGrpcTransport
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
 from .transports.rest import GroundedGenerationServiceRestTransport
@@ -83,9 +79,7 @@ class GroundedGenerationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
     _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = GroundedGenerationServiceRestTransport
@@ -613,11 +607,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = GroundedGenerationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            GroundedGenerationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             GroundedGenerationServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -654,8 +646,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(GroundedGenerationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/__init__.py
index 0f3052cbd079..bf39f5e977bd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import GroundedGenerationServiceTransport
 from .grpc import GroundedGenerationServiceGrpcTransport
 from .grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
-from .rest import (
-    GroundedGenerationServiceRestInterceptor,
-    GroundedGenerationServiceRestTransport,
-)
+from .rest import GroundedGenerationServiceRestTransport
+from .rest import GroundedGenerationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
 _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = GroundedGenerationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/base.py
index a34b495acd5a..0a4b7d81c99c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -202,7 +203,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc.py
index 641c6645ab89..9502e95feb0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc_asyncio.py
index fbd280c7e258..4c317c539466 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import GroundedGenerationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest.py
index a13211031044..4ccdbf2e92eb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseGroundedGenerationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -364,9 +370,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
 
             request, metadata = self._interceptor.pre_check_grounding(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_transcoded_request(
@@ -532,9 +536,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -657,9 +659,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -800,9 +800,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest_base.py
index 696d16bf3494..2d209b388210 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/grounded_generation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseGroundedGenerationServiceRestTransport(GroundedGenerationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/__init__.py
index 92a56900c029..f42a6de5f23b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ProjectServiceAsyncClient
 from .client import ProjectServiceClient
+from .async_client import ProjectServiceAsyncClient
 
 __all__ = (
     "ProjectServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/async_client.py
index 2a7ea2e10abc..d15d01c70d5b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,17 +47,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
-
-from .client import ProjectServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
+from .client import ProjectServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -122,7 +121,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_info.__func__(ProjectServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_info.__func__(
+            ProjectServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -138,7 +139,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_file.__func__(ProjectServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_file.__func__(
+            ProjectServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -570,8 +573,8 @@ async def report_consent_change(
 
         Terms available for update:
 
-        - `Terms for data
-          use <https://cloud.google.com/retail/data-use-terms>`__
+        -  `Terms for data
+           use <https://cloud.google.com/retail/data-use-terms>`__
 
         .. code-block:: python
 
@@ -627,11 +630,11 @@ async def sample_report_consent_change():
                 Required. The unique identifier of the terms of service
                 to update. Available term ids:
 
-                - ``GA_DATA_USE_TERMS``: `Terms for data
-                  use <https://cloud.google.com/retail/data-use-terms>`__.
-                  When using this service term id, the acceptable
-                  [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
-                  to provide is ``2022-11-23``.
+                -  ``GA_DATA_USE_TERMS``: `Terms for data
+                   use <https://cloud.google.com/retail/data-use-terms>`__.
+                   When using this service term id, the acceptable
+                   [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
+                   to provide is ``2022-11-23``.
 
                 This corresponds to the ``service_term_id`` field
                 on the ``request`` instance; if ``request`` is provided, this
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/client.py
index 78f02e76e4ff..19ff6819b5ed 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,15 +63,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ProjectServiceGrpcTransport
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
 from .transports.rest import ProjectServiceRestTransport
@@ -85,9 +83,7 @@ class ProjectServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ProjectServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
     _transport_registry["grpc"] = ProjectServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ProjectServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ProjectServiceRestTransport
@@ -604,11 +600,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ProjectServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ProjectServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ProjectServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -643,8 +637,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ProjectServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -980,8 +973,8 @@ def report_consent_change(
 
         Terms available for update:
 
-        - `Terms for data
-          use <https://cloud.google.com/retail/data-use-terms>`__
+        -  `Terms for data
+           use <https://cloud.google.com/retail/data-use-terms>`__
 
         .. code-block:: python
 
@@ -1037,11 +1030,11 @@ def sample_report_consent_change():
                 Required. The unique identifier of the terms of service
                 to update. Available term ids:
 
-                - ``GA_DATA_USE_TERMS``: `Terms for data
-                  use <https://cloud.google.com/retail/data-use-terms>`__.
-                  When using this service term id, the acceptable
-                  [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
-                  to provide is ``2022-11-23``.
+                -  ``GA_DATA_USE_TERMS``: `Terms for data
+                   use <https://cloud.google.com/retail/data-use-terms>`__.
+                   When using this service term id, the acceptable
+                   [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
+                   to provide is ``2022-11-23``.
 
                 This corresponds to the ``service_term_id`` field
                 on the ``request`` instance; if ``request`` is provided, this
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/__init__.py
index 34168b4c507d..37999d2dc481 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ProjectServiceTransport
 from .grpc import ProjectServiceGrpcTransport
 from .grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
-from .rest import ProjectServiceRestInterceptor, ProjectServiceRestTransport
+from .rest import ProjectServiceRestTransport
+from .rest import ProjectServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/base.py
index 16e21b126b76..a4924d2b1145 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -234,7 +236,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc.py
index 08f815e86000..9d3356be6b61 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -415,8 +417,8 @@ def report_consent_change(
 
         Terms available for update:
 
-        - `Terms for data
-          use <https://cloud.google.com/retail/data-use-terms>`__
+        -  `Terms for data
+           use <https://cloud.google.com/retail/data-use-terms>`__
 
         Returns:
             Callable[[~.ReportConsentChangeRequest],
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc_asyncio.py
index 4589504386c2..3651848c78c7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ProjectServiceGrpcTransport
 
 try:
@@ -427,8 +429,8 @@ def report_consent_change(
 
         Terms available for update:
 
-        - `Terms for data
-          use <https://cloud.google.com/retail/data-use-terms>`__
+        -  `Terms for data
+           use <https://cloud.google.com/retail/data-use-terms>`__
 
         Returns:
             Callable[[~.ReportConsentChangeRequest],
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest.py
index 238189fe25fe..1a6c5336e194 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseProjectServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -794,9 +801,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
 
             request, metadata = self._interceptor.pre_provision_project(
                 request, metadata
@@ -948,9 +953,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseReportConsentChange._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseReportConsentChange._get_http_options()
 
             request, metadata = self._interceptor.pre_report_consent_change(
                 request, metadata
@@ -1124,9 +1127,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest_base.py
index adc8d22d3e57..31538289e17f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/project_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseProjectServiceRestTransport(ProjectServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/__init__.py
index b87f3b8d87d4..cff8ae0bd628 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RankServiceAsyncClient
 from .client import RankServiceClient
+from .async_client import RankServiceAsyncClient
 
 __all__ = (
     "RankServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/async_client.py
index 477f0ce1aec9..dea865989f73 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import rank_service
-
-from .client import RankServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
+from .client import RankServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -113,7 +112,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_info.__func__(RankServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_info.__func__(
+            RankServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -129,7 +130,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_file.__func__(RankServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_file.__func__(
+            RankServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/client.py
index 9e1b8a48fd14..297c1e4c187f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1alpha.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import rank_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RankServiceGrpcTransport
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
 from .transports.rest import RankServiceRestTransport
@@ -602,11 +600,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RankServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RankServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RankServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -641,8 +637,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RankServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/__init__.py
index f45de8a44763..3ea75b53c7b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import RankServiceTransport
 from .grpc import RankServiceGrpcTransport
 from .grpc_asyncio import RankServiceGrpcAsyncIOTransport
-from .rest import RankServiceRestInterceptor, RankServiceRestTransport
+from .rest import RankServiceRestTransport
+from .rest import RankServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[RankServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/base.py
index 3a5cb693529a..5fac287c6cdb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import rank_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -199,7 +200,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc.py
index 3473ec70e031..96520544e7e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc_asyncio.py
index 74f232c7fe0b..d7656e85b8d1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RankServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest.py
index 5addf747c92e..cca33cd9b704 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import rank_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRankServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest_base.py
index 4dce9bc7ee70..4bf9dafa80c1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/rank_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRankServiceRestTransport(RankServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/__init__.py
index 6a625342219a..4ddd61f41d3e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RecommendationServiceAsyncClient
 from .client import RecommendationServiceClient
+from .async_client import RecommendationServiceAsyncClient
 
 __all__ = (
     "RecommendationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/async_client.py
index f8aaf7121b36..1fa032ee8d49 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import recommendation_service
-
-from .client import RecommendationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
+from .client import RecommendationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -127,7 +126,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_info.__func__(RecommendationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_info.__func__(
+            RecommendationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -143,7 +144,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_file.__func__(RecommendationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_file.__func__(
+            RecommendationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -181,7 +184,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> RecommendationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/client.py
index de0fe5621d37..f9cf1985a796 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1alpha.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import recommendation_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RecommendationServiceGrpcTransport
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
 from .transports.rest import RecommendationServiceRestTransport
@@ -80,9 +78,7 @@ class RecommendationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[RecommendationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
     _transport_registry["grpc"] = RecommendationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = RecommendationServiceRestTransport
@@ -684,11 +680,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RecommendationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RecommendationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RecommendationServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -723,8 +717,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RecommendationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/__init__.py
index f21f53c111bf..a7477e51c44b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import RecommendationServiceTransport
 from .grpc import RecommendationServiceGrpcTransport
 from .grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
-from .rest import (
-    RecommendationServiceRestInterceptor,
-    RecommendationServiceRestTransport,
-)
+from .rest import RecommendationServiceRestTransport
+from .rest import RecommendationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[RecommendationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
 _transport_registry["grpc"] = RecommendationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = RecommendationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/base.py
index 669c9ae115a6..d0f113d95a81 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import recommendation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -202,7 +203,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc.py
index 422bf5d8587f..abd77dabcb21 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc_asyncio.py
index c653d05e7799..ae6d55bfdc44 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RecommendationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest.py
index 186cb85db951..7c1897b69931 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import recommendation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRecommendationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -358,9 +364,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
 
             request, metadata = self._interceptor.pre_recommend(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseRecommend._get_transcoded_request(
@@ -522,9 +526,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -647,9 +649,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -788,9 +788,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest_base.py
index e63756fd23a9..d5fdb4dfa538 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/recommendation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRecommendationServiceRestTransport(RecommendationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/__init__.py
index 4cd0b5a2b9ae..db5a8d68d5b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SampleQueryServiceAsyncClient
 from .client import SampleQueryServiceClient
+from .async_client import SampleQueryServiceAsyncClient
 
 __all__ = (
     "SampleQueryServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/async_client.py
index ccc37228b156..598f0dd5bb3e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,20 +47,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
-
-from .client import SampleQueryServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
+from .client import SampleQueryServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -131,7 +130,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SampleQueryServiceAsyncClient: The constructed client.
         """
-        return SampleQueryServiceClient.from_service_account_info.__func__(SampleQueryServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SampleQueryServiceClient.from_service_account_info.__func__(
+            SampleQueryServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -147,7 +148,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SampleQueryServiceAsyncClient: The constructed client.
         """
-        return SampleQueryServiceClient.from_service_account_file.__func__(SampleQueryServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SampleQueryServiceClient.from_service_account_file.__func__(
+            SampleQueryServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -185,7 +188,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SampleQueryServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SampleQueryServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SampleQueryServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/client.py
index f9ae93d09530..35461fe3b3e8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,18 +63,16 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_service import pagers
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SampleQueryServiceGrpcTransport
 from .transports.grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
 from .transports.rest import SampleQueryServiceRestTransport
@@ -88,9 +86,7 @@ class SampleQueryServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SampleQueryServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQueryServiceTransport]]
     _transport_registry["grpc"] = SampleQueryServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SampleQueryServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SampleQueryServiceRestTransport
@@ -642,11 +638,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SampleQueryServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SampleQueryServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SampleQueryServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -681,8 +675,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SampleQueryServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/pagers.py
index 71fe2d9f2ec8..3d0a9d9fc030 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    sample_query,
-    sample_query_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query_service
 
 
 class ListSampleQueriesPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/__init__.py
index 0f5acb01b776..021eee918899 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import SampleQueryServiceTransport
 from .grpc import SampleQueryServiceGrpcTransport
 from .grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
-from .rest import SampleQueryServiceRestInterceptor, SampleQueryServiceRestTransport
+from .rest import SampleQueryServiceRestTransport
+from .rest import SampleQueryServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SampleQueryServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQueryServiceTransport]]
 _transport_registry["grpc"] = SampleQueryServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SampleQueryServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SampleQueryServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/base.py
index 4377fb6335eb..3a3155e74205 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/base.py
@@ -16,23 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -281,7 +283,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc.py
index 202aedb811be..94028e74d136 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc.py
@@ -16,27 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc_asyncio.py
index 2f3997e05593..4209bd69a5d9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/grpc_asyncio.py
@@ -15,31 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SampleQueryServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest.py
index 3a42f477f338..f27e9e8ac366 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest.py
@@ -13,31 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSampleQueryServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -786,9 +793,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseCreateSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseCreateSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sample_query(
                 request, metadata
@@ -936,9 +941,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseDeleteSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseDeleteSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sample_query(
                 request, metadata
@@ -1053,9 +1056,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseGetSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseGetSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_get_sample_query(
                 request, metadata
@@ -1206,9 +1207,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseImportSampleQueries._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseImportSampleQueries._get_http_options()
 
             request, metadata = self._interceptor.pre_import_sample_queries(
                 request, metadata
@@ -1363,9 +1362,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseListSampleQueries._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseListSampleQueries._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sample_queries(
                 request, metadata
@@ -1517,9 +1514,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseUpdateSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseUpdateSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_update_sample_query(
                 request, metadata
@@ -1727,9 +1722,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1850,9 +1843,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1991,9 +1982,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSampleQueryServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest_base.py
index 4728c94f0768..80a98a26bcd6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSampleQueryServiceRestTransport(SampleQueryServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/__init__.py
index 60ef15e648d4..1df99a2b1309 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SampleQuerySetServiceAsyncClient
 from .client import SampleQuerySetServiceClient
+from .async_client import SampleQuerySetServiceAsyncClient
 
 __all__ = (
     "SampleQuerySetServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/async_client.py
index 77b87387dd9d..b81807923aa5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,38 +29,37 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     pagers,
 )
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
-
-from .client import SampleQuerySetServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
+from .client import SampleQuerySetServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -134,7 +133,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SampleQuerySetServiceAsyncClient: The constructed client.
         """
-        return SampleQuerySetServiceClient.from_service_account_info.__func__(SampleQuerySetServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SampleQuerySetServiceClient.from_service_account_info.__func__(
+            SampleQuerySetServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -150,7 +151,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SampleQuerySetServiceAsyncClient: The constructed client.
         """
-        return SampleQuerySetServiceClient.from_service_account_file.__func__(SampleQuerySetServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SampleQuerySetServiceClient.from_service_account_file.__func__(
+            SampleQuerySetServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -188,7 +191,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SampleQuerySetServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SampleQuerySetServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SampleQuerySetServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/client.py
index d56b3518b181..c954972c8113 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,21 +61,19 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     pagers,
 )
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SampleQuerySetServiceGrpcTransport
 from .transports.grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
 from .transports.rest import SampleQuerySetServiceRestTransport
@@ -89,9 +87,7 @@ class SampleQuerySetServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
     _transport_registry["grpc"] = SampleQuerySetServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SampleQuerySetServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SampleQuerySetServiceRestTransport
@@ -638,11 +634,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SampleQuerySetServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SampleQuerySetServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SampleQuerySetServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -677,8 +671,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SampleQuerySetServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/pagers.py
index 5c20e99b761d..26a20c208fb5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    sample_query_set,
-    sample_query_set_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
 
 
 class ListSampleQuerySetsPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/__init__.py
index 44ad1aa56225..720035d6d52d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import SampleQuerySetServiceTransport
 from .grpc import SampleQuerySetServiceGrpcTransport
 from .grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
-from .rest import (
-    SampleQuerySetServiceRestInterceptor,
-    SampleQuerySetServiceRestTransport,
-)
+from .rest import SampleQuerySetServiceRestTransport
+from .rest import SampleQuerySetServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
 _transport_registry["grpc"] = SampleQuerySetServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SampleQuerySetServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SampleQuerySetServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/base.py
index 7c4b91572279..b5fb1bcfb27b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/base.py
@@ -16,24 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -271,7 +272,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc.py
index e7e5954eaba8..3fbac424121a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc.py
@@ -16,28 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc_asyncio.py
index 77cfd63d9821..ddc195419438 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/grpc_asyncio.py
@@ -15,32 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SampleQuerySetServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest.py
index 66b4dee48653..0164b8a76478 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest.py
@@ -13,32 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSampleQuerySetServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -565,9 +571,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseCreateSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseCreateSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sample_query_set(
                 request, metadata
@@ -719,9 +723,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseDeleteSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseDeleteSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sample_query_set(
                 request, metadata
@@ -840,9 +842,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseGetSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseGetSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_get_sample_query_set(
                 request, metadata
@@ -994,9 +994,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseListSampleQuerySets._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseListSampleQuerySets._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sample_query_sets(
                 request, metadata
@@ -1154,9 +1152,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseUpdateSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseUpdateSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_update_sample_query_set(
                 request, metadata
@@ -1365,9 +1361,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1490,9 +1484,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1631,9 +1623,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest_base.py
index 76658c3d1e60..ee0955a229d2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/sample_query_set_service/transports/rest_base.py
@@ -14,22 +14,24 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSampleQuerySetServiceRestTransport(SampleQuerySetServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/__init__.py
index f95513aefa30..0908014e8c82 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SchemaServiceAsyncClient
 from .client import SchemaServiceClient
+from .async_client import SchemaServiceAsyncClient
 
 __all__ = (
     "SchemaServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/async_client.py
index e23c5e46c72b..322766424820 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,19 +47,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.schema_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import schema
 from google.cloud.discoveryengine_v1alpha.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1alpha.types import schema_service
-
-from .client import SchemaServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
+from .client import SchemaServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -126,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_info.__func__(SchemaServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_info.__func__(
+            SchemaServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -142,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_file.__func__(SchemaServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_file.__func__(
+            SchemaServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/client.py
index fbe2e565e9d2..2aa5ef9be472 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,17 +63,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.schema_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import schema
 from google.cloud.discoveryengine_v1alpha.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1alpha.types import schema_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SchemaServiceGrpcTransport
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
 from .transports.rest import SchemaServiceRestTransport
@@ -635,11 +633,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SchemaServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SchemaServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SchemaServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -674,8 +670,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SchemaServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/pagers.py
index f5efd716d3d5..6f83234dfc96 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
 
 
 class ListSchemasPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/__init__.py
index d21d5baa6100..78c2fa21d683 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SchemaServiceTransport
 from .grpc import SchemaServiceGrpcTransport
 from .grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
-from .rest import SchemaServiceRestInterceptor, SchemaServiceRestTransport
+from .rest import SchemaServiceRestTransport
+from .rest import SchemaServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SchemaServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/base.py
index c895288d24e9..842776c0eced 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/base.py
@@ -16,19 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -263,7 +266,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc.py
index 4e7f33fbe9ff..1c5db99b2956 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc.py
@@ -16,23 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc_asyncio.py
index 2e7b5673ea53..dca2bbbe4a55 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/grpc_asyncio.py
@@ -15,27 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SchemaServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest.py
index 7eade9324da8..03b96c8e0167 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest.py
@@ -13,27 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSchemaServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest_base.py
index 1acf5d9dabd7..017c6dba4082 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/schema_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import schema, schema_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSchemaServiceRestTransport(SchemaServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/__init__.py
index 96aaa3993300..2be7ab3ff9b0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchServiceAsyncClient
 from .client import SearchServiceClient
+from .async_client import SearchServiceAsyncClient
 
 __all__ = (
     "SearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/async_client.py
index f18a4ef0ba91..7141b74963bf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,30 +29,29 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.search_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import search_service
-
-from .client import SearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
+from .client import SearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_info.__func__(SearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_info.__func__(
+            SearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_file.__func__(SearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_file.__func__(
+            SearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/client.py
index 5b2d542332b5..911106608e8b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,13 +61,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.search_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import search_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchServiceGrpcTransport
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
 from .transports.rest import SearchServiceRestTransport
@@ -729,11 +727,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -768,8 +764,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/pagers.py
index 58b027b8b742..b1eaba691652 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -67,7 +66,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +142,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/__init__.py
index 24f3c65a62e4..62c175446415 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SearchServiceTransport
 from .grpc import SearchServiceGrpcTransport
 from .grpc_asyncio import SearchServiceGrpcAsyncIOTransport
-from .rest import SearchServiceRestInterceptor, SearchServiceRestTransport
+from .rest import SearchServiceRestTransport
+from .rest import SearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/base.py
index c10ee30846ef..5faa2f63ee35 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -199,7 +200,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc.py
index 9030580c8efb..bb3813308662 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc_asyncio.py
index 555da5238e97..fa9afafc6fdf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest.py
index d4feaa473f18..097679fc21ef 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest_base.py
index 713774f0c20a..3a2f7f8d381b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchServiceRestTransport(SearchServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/__init__.py
index 1759c51ec4ab..6b603bf03c01 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchTuningServiceAsyncClient
 from .client import SearchTuningServiceClient
+from .async_client import SearchTuningServiceAsyncClient
 
 __all__ = (
     "SearchTuningServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/async_client.py
index e689cffa1d7c..6cdf6ea86029 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,17 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import custom_tuning_model
+from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .client import SearchTuningServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
+from .client import SearchTuningServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_info.__func__(SearchTuningServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_info.__func__(
+            SearchTuningServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_file.__func__(SearchTuningServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_file.__func__(
+            SearchTuningServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -182,7 +183,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SearchTuningServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/client.py
index 044ba7b00135..d8b6b21303ec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,15 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import custom_tuning_model
+from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchTuningServiceGrpcTransport
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
 from .transports.rest import SearchTuningServiceRestTransport
@@ -85,9 +81,7 @@ class SearchTuningServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SearchTuningServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
     _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SearchTuningServiceRestTransport
@@ -637,11 +631,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchTuningServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchTuningServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchTuningServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -676,8 +668,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchTuningServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/__init__.py
index d759f5c3cdcd..a1d0aa1f0e9f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import SearchTuningServiceTransport
 from .grpc import SearchTuningServiceGrpcTransport
 from .grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
-from .rest import SearchTuningServiceRestInterceptor, SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SearchTuningServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
 _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SearchTuningServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/base.py
index b4d2acd32a88..959eb30449d3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -221,7 +223,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc.py
index d44cf1faaece..445c8c506df6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc_asyncio.py
index f8a5cb229b0f..1afc2866ee16 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchTuningServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest.py
index c90fd763bfb7..b84618cd20b6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchTuningServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -591,9 +598,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
 
             request, metadata = self._interceptor.pre_list_custom_models(
                 request, metadata
@@ -746,9 +751,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
 
             request, metadata = self._interceptor.pre_train_custom_model(
                 request, metadata
@@ -918,9 +921,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1041,9 +1042,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1182,9 +1181,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest_base.py
index f8fbe32a984e..bf376219b05e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/search_tuning_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchTuningServiceRestTransport(SearchTuningServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/__init__.py
index 5e424baa78b8..123f6508d9a5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ServingConfigServiceAsyncClient
 from .client import ServingConfigServiceClient
+from .async_client import ServingConfigServiceAsyncClient
 
 __all__ = (
     "ServingConfigServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/async_client.py
index 1447f23f774d..f3e9e8fbe29a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,37 +29,36 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
-
-from .client import ServingConfigServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
+from .client import ServingConfigServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -127,7 +126,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_info.__func__(ServingConfigServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_info.__func__(
+            ServingConfigServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -143,7 +144,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_file.__func__(ServingConfigServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_file.__func__(
+            ServingConfigServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -181,7 +184,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ServingConfigServiceTransport:
@@ -368,7 +373,7 @@ async def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1alpha.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/client.py
index ddb04006b88c..8b36c75a3df8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,20 +61,18 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ServingConfigServiceGrpcTransport
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
 from .transports.rest import ServingConfigServiceRestTransport
@@ -88,9 +86,7 @@ class ServingConfigServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ServingConfigServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
     _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ServingConfigServiceRestTransport
@@ -620,11 +616,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ServingConfigServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ServingConfigServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ServingConfigServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -659,8 +653,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ServingConfigServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -792,7 +785,7 @@ def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1alpha.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/pagers.py
index 24a16678965c..779becc9b0be 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    serving_config,
-    serving_config_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import serving_config
+from google.cloud.discoveryengine_v1alpha.types import serving_config_service
 
 
 class ListServingConfigsPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/__init__.py
index 6bdd4697d637..21e7b3091b0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import ServingConfigServiceTransport
 from .grpc import ServingConfigServiceGrpcTransport
 from .grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
-from .rest import ServingConfigServiceRestInterceptor, ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ServingConfigServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
 _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ServingConfigServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/base.py
index 29664d1552ba..ccf58fb525a3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/base.py
@@ -16,23 +16,24 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -237,7 +238,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc.py
index a05f1bdc3f4f..f85c428919fd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc.py
@@ -16,27 +16,28 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc_asyncio.py
index 3f137c837306..47f507ff9264 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/grpc_asyncio.py
@@ -15,31 +15,32 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ServingConfigServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest.py
index e475ede325f4..610847caa6c3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest.py
@@ -13,31 +13,37 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
 
+
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseServingConfigServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -483,9 +489,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseGetServingConfig._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseGetServingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_get_serving_config(
                 request, metadata
@@ -635,9 +639,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseListServingConfigs._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseListServingConfigs._get_http_options()
 
             request, metadata = self._interceptor.pre_list_serving_configs(
                 request, metadata
@@ -796,9 +798,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_serving_config(
                 request, metadata
@@ -985,9 +985,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1108,9 +1106,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1249,9 +1245,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest_base.py
index 1f589b60cac7..10a916c22bb7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/serving_config_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseServingConfigServiceRestTransport(ServingConfigServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/__init__.py
index c278fb1603a2..a00026df42c5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SessionServiceAsyncClient
 from .client import SessionServiceClient
+from .async_client import SessionServiceAsyncClient
 
 __all__ = (
     "SessionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/async_client.py
index 214877f6d77a..a3a7a700f78c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,35 +29,34 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.session_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
-
-from .client import SessionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
+from .client import SessionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -129,7 +128,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_info.__func__(SessionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_info.__func__(
+            SessionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -145,7 +146,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_file.__func__(SessionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_file.__func__(
+            SessionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -586,7 +589,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1alpha.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/client.py
index d2c4668b4dac..dfee99973b25 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,18 +61,16 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.session_service import pagers
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SessionServiceGrpcTransport
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
 from .transports.rest import SessionServiceRestTransport
@@ -86,9 +84,7 @@ class SessionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SessionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
     _transport_registry["grpc"] = SessionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SessionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SessionServiceRestTransport
@@ -714,11 +710,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SessionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SessionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SessionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -753,8 +747,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SessionServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1099,7 +1092,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1alpha.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/pagers.py
index d78399681d46..6b333ed59fe0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,11 +37,9 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    conversational_search_service,
-    session,
-    session_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
+from google.cloud.discoveryengine_v1alpha.types import session
+from google.cloud.discoveryengine_v1alpha.types import session_service
 
 
 class ListSessionsPager:
@@ -71,7 +68,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -149,7 +146,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -231,7 +228,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -307,7 +304,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/__init__.py
index d258a984225b..541203cdd07f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SessionServiceTransport
 from .grpc import SessionServiceGrpcTransport
 from .grpc_asyncio import SessionServiceGrpcAsyncIOTransport
-from .rest import SessionServiceRestInterceptor, SessionServiceRestTransport
+from .rest import SessionServiceRestTransport
+from .rest import SessionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/base.py
index 7e8ee45fd992..e7d85f79b027 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/base.py
@@ -16,23 +16,24 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -279,7 +280,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc.py
index b337438a531f..8f30f6c3f0d2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc.py
@@ -16,18 +16,17 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
@@ -35,8 +34,10 @@
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc_asyncio.py
index 2674071048ef..bb819bb2bc05 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/grpc_asyncio.py
@@ -15,31 +15,32 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SessionServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest.py
index bfc68a801c15..df79f4e8c229 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest.py
@@ -13,31 +13,37 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSessionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1516,9 +1522,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest_base.py
index 562d5a8f17a5..3ad366c002c1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/session_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSessionServiceRestTransport(SessionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/__init__.py
index 8039b8753159..3bffbf62365f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SiteSearchEngineServiceAsyncClient
 from .client import SiteSearchEngineServiceClient
+from .async_client import SiteSearchEngineServiceAsyncClient
 
 __all__ = (
     "SiteSearchEngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/async_client.py
index e7afd8396e21..44b627cd6239 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,22 +47,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    pagers,
+)
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
-    pagers,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .client import SiteSearchEngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
+from .client import SiteSearchEngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -139,7 +136,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_info.__func__(SiteSearchEngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_info.__func__(
+            SiteSearchEngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -155,7 +154,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_file.__func__(SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_file.__func__(
+            SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -193,7 +194,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SiteSearchEngineServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/client.py
index 9452cdc64216..bd1e6305230a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,20 +63,16 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    pagers,
+)
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
-    pagers,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SiteSearchEngineServiceGrpcTransport
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
 from .transports.rest import SiteSearchEngineServiceRestTransport
@@ -90,9 +86,7 @@ class SiteSearchEngineServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
     _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
@@ -644,11 +638,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SiteSearchEngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SiteSearchEngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             SiteSearchEngineServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -685,8 +677,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SiteSearchEngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/pagers.py
index e27d863f6e4d..c16905a5b372 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
 
 
 class ListTargetSitesPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -232,7 +229,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -315,7 +312,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/__init__.py
index 5443c0c10cf1..31f1983d1847 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import SiteSearchEngineServiceTransport
 from .grpc import SiteSearchEngineServiceGrpcTransport
 from .grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
-from .rest import (
-    SiteSearchEngineServiceRestInterceptor,
-    SiteSearchEngineServiceRestTransport,
-)
+from .rest import SiteSearchEngineServiceRestTransport
+from .rest import SiteSearchEngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
 _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/base.py
index 35efbc6c11ad..6014a8f448ec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/base.py
@@ -16,22 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -401,7 +401,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc.py
index 8f382f491cae..2f05009e0acc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc.py
@@ -16,26 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -573,12 +573,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -605,12 +605,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -698,12 +698,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
@@ -730,12 +730,12 @@ def set_uri_pattern_document_data(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "set_uri_pattern_document_data" not in self._stubs:
-            self._stubs[
-                "set_uri_pattern_document_data"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/SetUriPatternDocumentData",
-                request_serializer=site_search_engine_service.SetUriPatternDocumentDataRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["set_uri_pattern_document_data"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/SetUriPatternDocumentData",
+                    request_serializer=site_search_engine_service.SetUriPatternDocumentDataRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["set_uri_pattern_document_data"]
 
@@ -762,12 +762,12 @@ def get_uri_pattern_document_data(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_uri_pattern_document_data" not in self._stubs:
-            self._stubs[
-                "get_uri_pattern_document_data"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/GetUriPatternDocumentData",
-                request_serializer=site_search_engine_service.GetUriPatternDocumentDataRequest.serialize,
-                response_deserializer=site_search_engine_service.GetUriPatternDocumentDataResponse.deserialize,
+            self._stubs["get_uri_pattern_document_data"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/GetUriPatternDocumentData",
+                    request_serializer=site_search_engine_service.GetUriPatternDocumentDataRequest.serialize,
+                    response_deserializer=site_search_engine_service.GetUriPatternDocumentDataResponse.deserialize,
+                )
             )
         return self._stubs["get_uri_pattern_document_data"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc_asyncio.py
index 2ed1e259fb54..694b22f57db5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/grpc_asyncio.py
@@ -15,30 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SiteSearchEngineServiceGrpcTransport
 
 try:
@@ -585,12 +585,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -617,12 +617,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -711,12 +711,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
@@ -743,12 +743,12 @@ def set_uri_pattern_document_data(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "set_uri_pattern_document_data" not in self._stubs:
-            self._stubs[
-                "set_uri_pattern_document_data"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/SetUriPatternDocumentData",
-                request_serializer=site_search_engine_service.SetUriPatternDocumentDataRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["set_uri_pattern_document_data"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/SetUriPatternDocumentData",
+                    request_serializer=site_search_engine_service.SetUriPatternDocumentDataRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["set_uri_pattern_document_data"]
 
@@ -775,12 +775,12 @@ def get_uri_pattern_document_data(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "get_uri_pattern_document_data" not in self._stubs:
-            self._stubs[
-                "get_uri_pattern_document_data"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/GetUriPatternDocumentData",
-                request_serializer=site_search_engine_service.GetUriPatternDocumentDataRequest.serialize,
-                response_deserializer=site_search_engine_service.GetUriPatternDocumentDataResponse.deserialize,
+            self._stubs["get_uri_pattern_document_data"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1alpha.SiteSearchEngineService/GetUriPatternDocumentData",
+                    request_serializer=site_search_engine_service.GetUriPatternDocumentDataRequest.serialize,
+                    response_deserializer=site_search_engine_service.GetUriPatternDocumentDataResponse.deserialize,
+                )
             )
         return self._stubs["get_uri_pattern_document_data"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest.py
index 7fc6fb032896..f6836107e464 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest.py
@@ -13,30 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSiteSearchEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1287,9 +1292,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_create_target_sites(
                 request, metadata
@@ -1443,9 +1446,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_verify_target_sites(
                 request, metadata
@@ -1599,9 +1600,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_create_target_site(
                 request, metadata
@@ -1756,9 +1755,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_target_site(
                 request, metadata
@@ -1912,9 +1909,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_disable_advanced_site_search(
                 request, metadata
@@ -2069,9 +2064,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_enable_advanced_site_search(
                 request, metadata
@@ -2227,9 +2220,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
 
             request, metadata = self._interceptor.pre_fetch_domain_verification_status(
                 request, metadata
@@ -2297,11 +2288,10 @@ def __call__(
 
             resp = self._interceptor.post_fetch_domain_verification_status(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_fetch_domain_verification_status_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_fetch_domain_verification_status_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -2389,9 +2379,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
 
             request, metadata = self._interceptor.pre_get_site_search_engine(
                 request, metadata
@@ -2544,9 +2532,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_get_target_site(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_transcoded_request(
@@ -2699,9 +2685,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetUriPatternDocumentData._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetUriPatternDocumentData._get_http_options()
 
             request, metadata = self._interceptor.pre_get_uri_pattern_document_data(
                 request, metadata
@@ -2767,11 +2751,10 @@ def __call__(
 
             resp = self._interceptor.post_get_uri_pattern_document_data(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_get_uri_pattern_document_data_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_get_uri_pattern_document_data_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -2858,9 +2841,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_list_target_sites(
                 request, metadata
@@ -3017,9 +2998,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
 
             request, metadata = self._interceptor.pre_recrawl_uris(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_transcoded_request(
@@ -3174,9 +3153,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseSetUriPatternDocumentData._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseSetUriPatternDocumentData._get_http_options()
 
             request, metadata = self._interceptor.pre_set_uri_pattern_document_data(
                 request, metadata
@@ -3243,11 +3220,10 @@ def __call__(
 
             resp = self._interceptor.post_set_uri_pattern_document_data(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_set_uri_pattern_document_data_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_set_uri_pattern_document_data_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -3333,9 +3309,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_update_target_site(
                 request, metadata
@@ -3439,7 +3413,9 @@ def batch_create_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchCreateTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchCreateTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def batch_verify_target_sites(
@@ -3450,7 +3426,9 @@ def batch_verify_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchVerifyTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchVerifyTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_target_site(
@@ -3481,7 +3459,9 @@ def disable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._DisableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._DisableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def enable_advanced_site_search(
@@ -3492,7 +3472,9 @@ def enable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._EnableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._EnableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def fetch_domain_verification_status(
@@ -3503,7 +3485,9 @@ def fetch_domain_verification_status(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._FetchDomainVerificationStatus(self._session, self._host, self._interceptor)  # type: ignore
+        return self._FetchDomainVerificationStatus(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def get_site_search_engine(
@@ -3535,7 +3519,9 @@ def get_uri_pattern_document_data(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._GetUriPatternDocumentData(self._session, self._host, self._interceptor)  # type: ignore
+        return self._GetUriPatternDocumentData(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def list_target_sites(
@@ -3567,7 +3553,9 @@ def set_uri_pattern_document_data(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._SetUriPatternDocumentData(self._session, self._host, self._interceptor)  # type: ignore
+        return self._SetUriPatternDocumentData(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def update_target_site(
@@ -3635,9 +3623,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3760,9 +3746,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -3901,9 +3885,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest_base.py
index 6c26e6fc8027..562f7768a4d3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/site_search_engine_service/transports/rest_base.py
@@ -14,20 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSiteSearchEngineServiceRestTransport(SiteSearchEngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/__init__.py
index eea5da67c013..4c45751a520f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import UserEventServiceAsyncClient
 from .client import UserEventServiceClient
+from .async_client import UserEventServiceAsyncClient
 
 __all__ = (
     "UserEventServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/async_client.py
index 1bb360f4083c..f83f34e02ea9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -47,22 +48,18 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .client import UserEventServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
+from .client import UserEventServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +129,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_info.__func__(UserEventServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_info.__func__(
+            UserEventServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +147,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_file.__func__(UserEventServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_file.__func__(
+            UserEventServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/client.py
index edd1c68b80a8..4a602bf72755 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -64,20 +64,16 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import UserEventServiceGrpcTransport
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
 from .transports.rest import UserEventServiceRestTransport
@@ -91,9 +87,7 @@ class UserEventServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[UserEventServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
     _transport_registry["grpc"] = UserEventServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = UserEventServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = UserEventServiceRestTransport
@@ -669,11 +663,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = UserEventServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            UserEventServiceClient._read_environment_variables()
+        )
         self._client_cert_source = UserEventServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -708,8 +700,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(UserEventServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/__init__.py
index 771ec74658ec..d136d6cf3abb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import UserEventServiceTransport
 from .grpc import UserEventServiceGrpcTransport
 from .grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
-from .rest import UserEventServiceRestInterceptor, UserEventServiceRestTransport
+from .rest import UserEventServiceRestTransport
+from .rest import UserEventServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/base.py
index f098b01fb546..b5e5ad6550a5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/base.py
@@ -16,25 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1alpha import gapic_version as package_version
-from google.cloud.discoveryengine_v1alpha.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +261,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc.py
index 33e163821218..cc679b604e21 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc.py
@@ -16,29 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc_asyncio.py
index 5b08bb46fbfb..ba55bf0585ae 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/grpc_asyncio.py
@@ -15,33 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import UserEventServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest.py
index f23996dff3db..db2400f6d42c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest.py
@@ -13,33 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseUserEventServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -752,9 +757,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_collect_user_event(
                 request, metadata
@@ -904,9 +907,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_import_user_events(
                 request, metadata
@@ -1059,9 +1060,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_user_events(
                 request, metadata
@@ -1214,9 +1213,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_write_user_event(
                 request, metadata
@@ -1399,9 +1396,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1661,9 +1656,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseUserEventServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest_base.py
index 92e31f17d2ab..7c44cf752637 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/services/user_event_service/transports/rest_base.py
@@ -14,23 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
+
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
 from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
-
-from google.cloud.discoveryengine_v1alpha.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
 
 
 class _BaseUserEventServiceRestTransport(UserEventServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/__init__.py
index 5d1b94d52bc5..5f6b8ea1a96d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/__init__.py
@@ -13,31 +13,53 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .acl_config import AclConfig
-from .acl_config_service import GetAclConfigRequest, UpdateAclConfigRequest
-from .answer import Answer
-from .chunk import Chunk
-from .chunk_service import GetChunkRequest, ListChunksRequest, ListChunksResponse
+from .acl_config import (
+    AclConfig,
+)
+from .acl_config_service import (
+    GetAclConfigRequest,
+    UpdateAclConfigRequest,
+)
+from .answer import (
+    Answer,
+)
+from .chunk import (
+    Chunk,
+)
+from .chunk_service import (
+    GetChunkRequest,
+    ListChunksRequest,
+    ListChunksResponse,
+)
 from .common import (
     CustomAttribute,
     CustomFineTuningSpec,
     DoubleList,
     EmbeddingConfig,
-    FileOriginType,
     GuidedSearchSpec,
     IdpConfig,
-    IndustryVertical,
     Interval,
     Principal,
+    UserInfo,
+    FileOriginType,
+    IndustryVertical,
     SearchAddOn,
     SearchTier,
     SearchUseCase,
     SolutionType,
-    UserInfo,
 )
-from .completion import CompletionSuggestion, SuggestionDenyListEntry
-from .completion_service import CompleteQueryRequest, CompleteQueryResponse
-from .control import Condition, Control
+from .completion import (
+    CompletionSuggestion,
+    SuggestionDenyListEntry,
+)
+from .completion_service import (
+    CompleteQueryRequest,
+    CompleteQueryResponse,
+)
+from .control import (
+    Condition,
+    Control,
+)
 from .control_service import (
     CreateControlRequest,
     DeleteControlRequest,
@@ -72,8 +94,14 @@
     UpdateConversationRequest,
     UpdateSessionRequest,
 )
-from .custom_tuning_model import CustomTuningModel
-from .data_store import DataStore, LanguageInfo, WorkspaceConfig
+from .custom_tuning_model import (
+    CustomTuningModel,
+)
+from .data_store import (
+    DataStore,
+    LanguageInfo,
+    WorkspaceConfig,
+)
 from .data_store_service import (
     CreateDataStoreMetadata,
     CreateDataStoreRequest,
@@ -86,8 +114,13 @@
     UpdateDataStoreRequest,
     UpdateDocumentProcessingConfigRequest,
 )
-from .document import Document, ProcessedDocument
-from .document_processing_config import DocumentProcessingConfig
+from .document import (
+    Document,
+    ProcessedDocument,
+)
+from .document_processing_config import (
+    DocumentProcessingConfig,
+)
 from .document_service import (
     BatchGetDocumentsMetadataRequest,
     BatchGetDocumentsMetadataResponse,
@@ -99,7 +132,9 @@
     ListDocumentsResponse,
     UpdateDocumentRequest,
 )
-from .engine import Engine
+from .engine import (
+    Engine,
+)
 from .engine_service import (
     CreateEngineMetadata,
     CreateEngineRequest,
@@ -120,7 +155,10 @@
     EstimateDataSizeRequest,
     EstimateDataSizeResponse,
 )
-from .evaluation import Evaluation, QualityMetrics
+from .evaluation import (
+    Evaluation,
+    QualityMetrics,
+)
 from .evaluation_service import (
     CreateEvaluationMetadata,
     CreateEvaluationRequest,
@@ -135,7 +173,10 @@
     CheckGroundingResponse,
     CheckGroundingSpec,
 )
-from .grounding import FactChunk, GroundingFact
+from .grounding import (
+    FactChunk,
+    GroundingFact,
+)
 from .import_config import (
     AlloyDbSource,
     BigQuerySource,
@@ -163,7 +204,9 @@
     ImportUserEventsResponse,
     SpannerSource,
 )
-from .project import Project
+from .project import (
+    Project,
+)
 from .project_service import (
     GetProjectRequest,
     ProvisionProjectMetadata,
@@ -185,9 +228,18 @@
     PurgeUserEventsRequest,
     PurgeUserEventsResponse,
 )
-from .rank_service import RankingRecord, RankRequest, RankResponse
-from .recommendation_service import RecommendRequest, RecommendResponse
-from .sample_query import SampleQuery
+from .rank_service import (
+    RankingRecord,
+    RankRequest,
+    RankResponse,
+)
+from .recommendation_service import (
+    RecommendRequest,
+    RecommendResponse,
+)
+from .sample_query import (
+    SampleQuery,
+)
 from .sample_query_service import (
     CreateSampleQueryRequest,
     DeleteSampleQueryRequest,
@@ -196,7 +248,9 @@
     ListSampleQueriesResponse,
     UpdateSampleQueryRequest,
 )
-from .sample_query_set import SampleQuerySet
+from .sample_query_set import (
+    SampleQuerySet,
+)
 from .sample_query_set_service import (
     CreateSampleQuerySetRequest,
     DeleteSampleQuerySetRequest,
@@ -205,7 +259,10 @@
     ListSampleQuerySetsResponse,
     UpdateSampleQuerySetRequest,
 )
-from .schema import FieldConfig, Schema
+from .schema import (
+    FieldConfig,
+    Schema,
+)
 from .schema_service import (
     CreateSchemaMetadata,
     CreateSchemaRequest,
@@ -217,7 +274,10 @@
     UpdateSchemaMetadata,
     UpdateSchemaRequest,
 )
-from .search_service import SearchRequest, SearchResponse
+from .search_service import (
+    SearchRequest,
+    SearchResponse,
+)
 from .search_tuning_service import (
     ListCustomModelsRequest,
     ListCustomModelsResponse,
@@ -225,7 +285,9 @@
     TrainCustomModelRequest,
     TrainCustomModelResponse,
 )
-from .serving_config import ServingConfig
+from .serving_config import (
+    ServingConfig,
+)
 from .serving_config_service import (
     GetServingConfigRequest,
     ListServingConfigsRequest,
@@ -235,15 +297,22 @@
 from .session import (
     FileCharacteristics,
     FileMetadata,
-    FileSource,
     FileView,
     ImageCharacteristics,
     Query,
     Session,
     VideoCharacteristics,
+    FileSource,
+)
+from .session_service import (
+    ListFilesRequest,
+    ListFilesResponse,
+)
+from .site_search_engine import (
+    SiteSearchEngine,
+    SiteVerificationInfo,
+    TargetSite,
 )
-from .session_service import ListFilesRequest, ListFilesResponse
-from .site_search_engine import SiteSearchEngine, SiteVerificationInfo, TargetSite
 from .site_search_engine_service import (
     BatchCreateTargetSiteMetadata,
     BatchCreateTargetSitesRequest,
@@ -288,7 +357,10 @@
     TransactionInfo,
     UserEvent,
 )
-from .user_event_service import CollectUserEventRequest, WriteUserEventRequest
+from .user_event_service import (
+    CollectUserEventRequest,
+    WriteUserEventRequest,
+)
 
 __all__ = (
     "AclConfig",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config.py
index fb53291781fc..b17c0c5dfb9b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import common
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config_service.py
index d3e01127238c..73a947c30384 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/acl_config_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import acl_config as gcd_acl_config
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/answer.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/answer.py
index ae0b7fa763b2..1995d73a8280 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/answer.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/answer.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-import proto  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -73,6 +75,7 @@ class State(proto.Enum):
             SUCCEEDED (3):
                 Answer generation has succeeded.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         FAILED = 2
@@ -118,6 +121,7 @@ class AnswerSkippedReason(proto.Enum):
                 policy violation detected. The policy is defined
                 by the customer.
         """
+
         ANSWER_SKIPPED_REASON_UNSPECIFIED = 0
         ADVERSARIAL_QUERY_IGNORED = 1
         NON_ANSWER_SEEKING_QUERY_IGNORED = 2
@@ -425,6 +429,7 @@ class State(proto.Enum):
                 SUCCEEDED (3):
                     Step has succeeded.
             """
+
             STATE_UNSPECIFIED = 0
             IN_PROGRESS = 1
             FAILED = 2
@@ -649,6 +654,7 @@ class Type(proto.Enum):
                     JAIL_BREAKING_QUERY (3):
                         Jail-breaking query classification type.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk.py
index b51af63286be..348b18105283 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk_service.py
index f2945939355f..edf155a472fd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/chunk_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import chunk
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/common.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/common.py
index 9419297699e0..7409c9277ef3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/common.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/common.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -56,6 +57,7 @@ class IndustryVertical(proto.Enum):
         HEALTHCARE_FHIR (7):
             The healthcare FHIR vertical.
     """
+
     INDUSTRY_VERTICAL_UNSPECIFIED = 0
     GENERIC = 1
     MEDIA = 2
@@ -81,6 +83,7 @@ class SolutionType(proto.Enum):
             data stores must enrolled with ``SOLUTION_TYPE_CHAT``
             solution.
     """
+
     SOLUTION_TYPE_UNSPECIFIED = 0
     SOLUTION_TYPE_RECOMMENDATION = 1
     SOLUTION_TYPE_SEARCH = 2
@@ -103,6 +106,7 @@ class SearchUseCase(proto.Enum):
             Browse use case. Expects the traffic has an empty
             [query][google.cloud.discoveryengine.v1alpha.SearchRequest.query].
     """
+
     SEARCH_USE_CASE_UNSPECIFIED = 0
     SEARCH_USE_CASE_SEARCH = 1
     SEARCH_USE_CASE_BROWSE = 2
@@ -122,6 +126,7 @@ class SearchTier(proto.Enum):
         SEARCH_TIER_ENTERPRISE (2):
             Enterprise tier.
     """
+
     SEARCH_TIER_UNSPECIFIED = 0
     SEARCH_TIER_STANDARD = 1
     SEARCH_TIER_ENTERPRISE = 2
@@ -137,6 +142,7 @@ class SearchAddOn(proto.Enum):
         SEARCH_ADD_ON_LLM (1):
             Large language model add-on.
     """
+
     SEARCH_ADD_ON_UNSPECIFIED = 0
     SEARCH_ADD_ON_LLM = 1
 
@@ -155,6 +161,7 @@ class FileOriginType(proto.Enum):
             The file was generated from other files by an
             internal process.
     """
+
     FILE_ORIGIN_TYPE_UNSPECIFIED = 0
     USER_PROVIDED = 1
     AI_GENERATED = 2
@@ -391,6 +398,7 @@ class IdpType(proto.Enum):
             THIRD_PARTY (2):
                 Third party provider.
         """
+
         IDP_TYPE_UNSPECIFIED = 0
         GSUITE = 1
         THIRD_PARTY = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion.py
index db1f8d363f04..9e6e072a0215 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -54,6 +55,7 @@ class MatchOperator(proto.Enum):
             CONTAINS (2):
                 If the suggestion contains the block_phrase, then block it.
         """
+
         MATCH_OPERATOR_UNSPECIFIED = 0
         EXACT_MATCH = 1
         CONTAINS = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion_service.py
index 25ce134fadff..6251cb01c10f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/completion_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -46,24 +47,24 @@ class CompleteQueryRequest(proto.Message):
             model specified in the Configuration > Autocomplete section
             of the Cloud console. Currently supported values:
 
-            - ``document`` - Using suggestions generated from
-              user-imported documents.
-            - ``search-history`` - Using suggestions generated from the
-              past history of
-              [SearchService.Search][google.cloud.discoveryengine.v1alpha.SearchService.Search]
-              API calls. Do not use it when there is no traffic for
-              Search API.
-            - ``user-event`` - Using suggestions generated from
-              user-imported search events.
-            - ``document-completable`` - Using suggestions taken
-              directly from user-imported document fields marked as
-              completable.
+            -  ``document`` - Using suggestions generated from
+               user-imported documents.
+            -  ``search-history`` - Using suggestions generated from the
+               past history of
+               [SearchService.Search][google.cloud.discoveryengine.v1alpha.SearchService.Search]
+               API calls. Do not use it when there is no traffic for
+               Search API.
+            -  ``user-event`` - Using suggestions generated from
+               user-imported search events.
+            -  ``document-completable`` - Using suggestions taken
+               directly from user-imported document fields marked as
+               completable.
 
             Default values:
 
-            - ``document`` is the default model for regular dataStores.
-            - ``search-history`` is the default model for site search
-              dataStores.
+            -  ``document`` is the default model for regular dataStores.
+            -  ``search-history`` is the default model for site search
+               dataStores.
         user_pseudo_id (str):
             A unique identifier for tracking visitors. For example, this
             could be implemented with an HTTP cookie, which should be
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control.py
index 00d7e933146b..c226bcc104db 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control_service.py
index bf70951accd8..c97d16548aac 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/control_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -80,8 +81,8 @@ class UpdateControlRequest(proto.Message):
             [Control][google.cloud.discoveryengine.v1alpha.Control] to
             update. The following are NOT supported:
 
-            - [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
-            - [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
+            -  [Control.name][google.cloud.discoveryengine.v1alpha.Control.name]
+            -  [Control.solution_type][google.cloud.discoveryengine.v1alpha.Control.solution_type]
 
             If not set or empty, all supported fields are updated.
     """
@@ -150,9 +151,9 @@ class ListControlsRequest(proto.Message):
             Optional. A filter to apply on the list results. Supported
             features:
 
-            - List all the products under the parent branch if
-              [filter][google.cloud.discoveryengine.v1alpha.ListControlsRequest.filter]
-              is unset. Currently this field is unsupported.
+            -  List all the products under the parent branch if
+               [filter][google.cloud.discoveryengine.v1alpha.ListControlsRequest.filter]
+               is unset. Currently this field is unsupported.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversation.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversation.py
index 363e242f7a1c..389dedfac198 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversation.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversation.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -68,6 +69,7 @@ class State(proto.Enum):
             COMPLETED (2):
                 Conversation has been completed.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         COMPLETED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversational_search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversational_search_service.py
index 03248e2fd0d7..2c85fb4c186e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/conversational_search_service.py
@@ -17,14 +17,15 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1alpha.types import answer as gcd_answer
 from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -81,20 +82,20 @@ class ConverseConversationRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -204,12 +205,12 @@ class ConverseConversationResponse(proto.Message):
         proto.STRING,
         number=6,
     )
-    search_results: MutableSequence[
-        search_service.SearchResponse.SearchResult
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=3,
-        message=search_service.SearchResponse.SearchResult,
+    search_results: MutableSequence[search_service.SearchResponse.SearchResult] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=3,
+            message=search_service.SearchResponse.SearchResult,
+        )
     )
 
 
@@ -246,7 +247,7 @@ class UpdateConversationRequest(proto.Message):
             [Conversation][google.cloud.discoveryengine.v1alpha.Conversation]
             to update. The following are NOT supported:
 
-            - [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
+            -  [Conversation.name][google.cloud.discoveryengine.v1alpha.Conversation.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -319,9 +320,9 @@ class ListConversationsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``conversation_name``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``conversation_name``
 
             Example: "update_time desc" "create_time".
     """
@@ -437,20 +438,20 @@ class AnswerQueryRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -935,6 +936,7 @@ class Type(proto.Enum):
                     JAIL_BREAKING_QUERY (3):
                         Jail-breaking query classification type.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
@@ -1121,7 +1123,7 @@ class UpdateSessionRequest(proto.Message):
             [Session][google.cloud.discoveryengine.v1alpha.Session] to
             update. The following are NOT supported:
 
-            - [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
+            -  [Session.name][google.cloud.discoveryengine.v1alpha.Session.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -1194,14 +1196,14 @@ class ListSessionsRequest(proto.Message):
             A comma-separated list of fields to filter by, in EBNF
             grammar. The supported fields are:
 
-            - ``user_pseudo_id``
-            - ``state``
-            - ``display_name``
-            - ``starred``
-            - ``is_pinned``
-            - ``labels``
-            - ``create_time``
-            - ``update_time``
+            -  ``user_pseudo_id``
+            -  ``state``
+            -  ``display_name``
+            -  ``starred``
+            -  ``is_pinned``
+            -  ``labels``
+            -  ``create_time``
+            -  ``update_time``
 
             Examples: "user_pseudo_id = some_id" "display_name =
             "some_name"" "starred = true" "is_pinned=true AND (NOT
@@ -1211,17 +1213,17 @@ class ListSessionsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``session_name``
-            - ``is_pinned``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``session_name``
+            -  ``is_pinned``
 
             Example:
 
-            - "update_time desc"
-            - "create_time"
-            - "is_pinned desc,update_time desc": list sessions by
-              is_pinned first, then by update_time.
+            -  "update_time desc"
+            -  "create_time"
+            -  "is_pinned desc,update_time desc": list sessions by
+               is_pinned first, then by update_time.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/custom_tuning_model.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/custom_tuning_model.py
index dd6c72e94ddf..b7062b7163e7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/custom_tuning_model.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/custom_tuning_model.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -78,6 +80,7 @@ class ModelState(proto.Enum):
                 Input data validation failed. Model training
                 didn't start.
         """
+
         MODEL_STATE_UNSPECIFIED = 0
         TRAINING_PAUSED = 1
         TRAINING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store.py
index 39a172f176e2..68c9ea2e843b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store.py
@@ -17,14 +17,15 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -61,10 +62,11 @@ class DataStore(proto.Message):
             solutions for each
             [industry_vertical][google.cloud.discoveryengine.v1alpha.DataStore.industry_vertical]:
 
-            - ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
-              ``SOLUTION_TYPE_SEARCH``.
-            - ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is automatically
-              enrolled. Other solutions cannot be enrolled.
+            -  ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
+               ``SOLUTION_TYPE_SEARCH``.
+            -  ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is
+               automatically enrolled. Other solutions cannot be
+               enrolled.
         default_schema_id (str):
             Output only. The id of the default
             [Schema][google.cloud.discoveryengine.v1alpha.Schema]
@@ -149,6 +151,7 @@ class ContentConfig(proto.Enum):
                 workspace data store are specified in the
                 [WorkspaceConfig][google.cloud.discoveryengine.v1alpha.WorkspaceConfig].
         """
+
         CONTENT_CONFIG_UNSPECIFIED = 0
         NO_CONTENT = 1
         CONTENT_REQUIRED = 2
@@ -289,6 +292,7 @@ class Type(proto.Enum):
             GOOGLE_KEEP (7):
                 Workspace Data Store contains Keep data
         """
+
         TYPE_UNSPECIFIED = 0
         GOOGLE_DRIVE = 1
         GOOGLE_MAIL = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store_service.py
index 2547cd08e41d..92d72ab7df6f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/data_store_service.py
@@ -17,14 +17,15 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -383,7 +384,7 @@ class UpdateDocumentProcessingConfigRequest(proto.Message):
             [DocumentProcessingConfig][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig]
             to update. The following are the only supported fields:
 
-            - [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
+            -  [DocumentProcessingConfig.ocr_config][google.cloud.discoveryengine.v1alpha.DocumentProcessingConfig.ocr_config]
 
             If not set, all supported fields are updated.
     """
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document.py
index 8c516cd2895f..f148cfcc4337 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1alpha.types import common
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import common
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -100,11 +101,11 @@ class Document(proto.Message):
         index_status (google.cloud.discoveryengine_v1alpha.types.Document.IndexStatus):
             Output only. The index status of the document.
 
-            - If document is indexed successfully, the index_time field
-              is populated.
-            - Otherwise, if document is not indexed due to errors, the
-              error_samples field is populated.
-            - Otherwise, index_status is unset.
+            -  If document is indexed successfully, the index_time field
+               is populated.
+            -  Otherwise, if document is not indexed due to errors, the
+               error_samples field is populated.
+            -  Otherwise, index_status is unset.
     """
 
     class Content(proto.Message):
@@ -140,14 +141,14 @@ class Content(proto.Message):
             mime_type (str):
                 The MIME type of the content. Supported types:
 
-                - ``application/pdf`` (PDF, only native PDFs are supported
-                  for now)
-                - ``text/html`` (HTML)
-                - ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
-                  (DOCX)
-                - ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
-                  (PPTX)
-                - ``text/plain`` (TXT)
+                -  ``application/pdf`` (PDF, only native PDFs are supported
+                   for now)
+                -  ``text/html`` (HTML)
+                -  ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
+                   (DOCX)
+                -  ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
+                   (PPTX)
+                -  ``text/plain`` (TXT)
 
                 See
                 https://www.iana.org/assignments/media-types/media-types.xhtml.
@@ -212,12 +213,12 @@ class AccessRestriction(proto.Message):
                 number=2,
             )
 
-        readers: MutableSequence[
-            "Document.AclInfo.AccessRestriction"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message="Document.AclInfo.AccessRestriction",
+        readers: MutableSequence["Document.AclInfo.AccessRestriction"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message="Document.AclInfo.AccessRestriction",
+            )
         )
 
     class IndexStatus(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_processing_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_processing_config.py
index 54ec21fe6151..0b0235db7c00 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_processing_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_processing_config.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -53,17 +54,17 @@ class DocumentProcessingConfig(proto.Message):
             Map from file type to override the default parsing
             configuration based on the file type. Supported keys:
 
-            - ``pdf``: Override parsing config for PDF files, either
-              digital parsing, ocr parsing or layout parsing is
-              supported.
-            - ``html``: Override parsing config for HTML files, only
-              digital parsing and layout parsing are supported.
-            - ``docx``: Override parsing config for DOCX files, only
-              digital parsing and layout parsing are supported.
-            - ``pptx``: Override parsing config for PPTX files, only
-              digital parsing and layout parsing are supported.
-            - ``xlsx``: Override parsing config for XLSX files, only
-              digital parsing and layout parsing are supported.
+            -  ``pdf``: Override parsing config for PDF files, either
+               digital parsing, ocr parsing or layout parsing is
+               supported.
+            -  ``html``: Override parsing config for HTML files, only
+               digital parsing and layout parsing are supported.
+            -  ``docx``: Override parsing config for DOCX files, only
+               digital parsing and layout parsing are supported.
+            -  ``pptx``: Override parsing config for PPTX files, only
+               digital parsing and layout parsing are supported.
+            -  ``xlsx``: Override parsing config for XLSX files, only
+               digital parsing and layout parsing are supported.
     """
 
     class ChunkingConfig(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_service.py
index 37f30745eb28..aadc0bcd5155 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/document_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -317,6 +318,7 @@ class ProcessedDocumentType(proto.Enum):
                 Returns the converted Image bytes (as JPEG or
                 PNG) if available.
         """
+
         PROCESSED_DOCUMENT_TYPE_UNSPECIFIED = 0
         PARSED_DOCUMENT = 1
         CHUNKED_DOCUMENT = 2
@@ -333,6 +335,7 @@ class ProcessedDocumentFormat(proto.Enum):
                 Output format is a JSON string representation
                 of processed document.
         """
+
         PROCESSED_DOCUMENT_FORMAT_UNSPECIFIED = 0
         JSON = 1
 
@@ -446,6 +449,7 @@ class State(proto.Enum):
                 [Document][google.cloud.discoveryengine.v1alpha.Document] is
                 not indexed.
         """
+
         STATE_UNSPECIFIED = 0
         INDEXED = 1
         NOT_IN_TARGET_SITE = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine.py
index 42a29402806a..d44bdf8961e6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -238,6 +239,7 @@ class TrainingState(proto.Enum):
                 TRAINING (2):
                     The engine is training.
             """
+
             TRAINING_STATE_UNSPECIFIED = 0
             PAUSED = 1
             TRAINING = 2
@@ -443,6 +445,7 @@ class ServingState(proto.Enum):
                     The engine is trained on tuned
                     hyperparameters and can be queried.
             """
+
             SERVING_STATE_UNSPECIFIED = 0
             INACTIVE = 1
             ACTIVE = 2
@@ -463,6 +466,7 @@ class DataState(proto.Enum):
                     data. Error messages can be queried via
                     Stackdriver.
             """
+
             DATA_STATE_UNSPECIFIED = 0
             DATA_OK = 1
             DATA_ERROR = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine_service.py
index 2c97a5d28828..144b55ad0525 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/engine_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/estimate_billing_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/estimate_billing_service.py
index 11db5f0dd9b7..1c67e2bef525 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/estimate_billing_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/estimate_billing_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation.py
index adfc5ebade66..d5447ab04aab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -92,6 +93,7 @@ class State(proto.Enum):
             FAILED (4):
                 The evaluation failed.
         """
+
         STATE_UNSPECIFIED = 0
         PENDING = 1
         RUNNING = 2
@@ -112,13 +114,13 @@ class EvaluationSpec(proto.Message):
                 supported; if any other fields are provided, an UNSUPPORTED
                 error will be returned:
 
-                - [SearchRequest.serving_config][google.cloud.discoveryengine.v1alpha.SearchRequest.serving_config]
-                - [SearchRequest.branch][google.cloud.discoveryengine.v1alpha.SearchRequest.branch]
-                - [SearchRequest.canonical_filter][google.cloud.discoveryengine.v1alpha.SearchRequest.canonical_filter]
-                - [SearchRequest.query_expansion_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.query_expansion_spec]
-                - [SearchRequest.spell_correction_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.spell_correction_spec]
-                - [SearchRequest.content_search_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.content_search_spec]
-                - [SearchRequest.user_pseudo_id][google.cloud.discoveryengine.v1alpha.SearchRequest.user_pseudo_id]
+                -  [SearchRequest.serving_config][google.cloud.discoveryengine.v1alpha.SearchRequest.serving_config]
+                -  [SearchRequest.branch][google.cloud.discoveryengine.v1alpha.SearchRequest.branch]
+                -  [SearchRequest.canonical_filter][google.cloud.discoveryengine.v1alpha.SearchRequest.canonical_filter]
+                -  [SearchRequest.query_expansion_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.query_expansion_spec]
+                -  [SearchRequest.spell_correction_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.spell_correction_spec]
+                -  [SearchRequest.content_search_spec][google.cloud.discoveryengine.v1alpha.SearchRequest.content_search_spec]
+                -  [SearchRequest.user_pseudo_id][google.cloud.discoveryengine.v1alpha.SearchRequest.user_pseudo_id]
 
                 This field is a member of `oneof`_ ``search_spec``.
             query_set_spec (google.cloud.discoveryengine_v1alpha.types.Evaluation.EvaluationSpec.QuerySetSpec):
@@ -206,10 +208,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
-              If 3 out of 5 relevant documents are retrieved in the
-              top-5, recall@5 = 3/5 = 0.6
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
+               If 3 out of 5 relevant documents are retrieved in the
+               top-5, recall@5 = 3/5 = 0.6
         doc_precision (google.cloud.discoveryengine_v1alpha.types.QualityMetrics.TopkMetrics):
             Precision per document, at various top-k cutoff levels.
 
@@ -218,10 +220,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
-              If 4 out of 5 retrieved documents in the top-5 are
-              relevant, precision@5 = 4/5 = 0.8
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
+               If 4 out of 5 retrieved documents in the top-5 are
+               relevant, precision@5 = 4/5 = 0.8
         doc_ndcg (google.cloud.discoveryengine_v1alpha.types.QualityMetrics.TopkMetrics):
             Normalized discounted cumulative gain (NDCG) per document,
             at various top-k cutoff levels.
@@ -250,10 +252,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
-              if 3 out of 5 relevant pages are retrieved in the top-5,
-              recall@5 = 3/5 = 0.6
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1alpha.SampleQuery],
+               if 3 out of 5 relevant pages are retrieved in the top-5,
+               recall@5 = 3/5 = 0.6
         page_ndcg (google.cloud.discoveryengine_v1alpha.types.QualityMetrics.TopkMetrics):
             Normalized discounted cumulative gain (NDCG) per page, at
             various top-k cutoff levels.
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation_service.py
index 9f1f49fe4228..da54ae464edd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/evaluation_service.py
@@ -22,6 +22,7 @@
 from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
 from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounded_generation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounded_generation_service.py
index 9b8178e5fd55..30330c6e3779 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounded_generation_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import grounding
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -76,20 +77,20 @@ class CheckGroundingRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounding.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounding.py
index 623c792cc652..24e4aa0106c0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounding.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/grounding.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/import_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/import_config.py
index abf627df7402..4793a5433b21 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/import_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/import_config.py
@@ -17,18 +17,17 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1alpha.types import completion
+from google.cloud.discoveryengine_v1alpha.types import document
+from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import user_event
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion,
-    document,
-    sample_query,
-    user_event,
-)
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -81,30 +80,30 @@ class GcsSource(proto.Message):
 
             Supported values for document imports:
 
-            - ``document`` (default): One JSON
-              [Document][google.cloud.discoveryengine.v1alpha.Document]
-              per line. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1alpha.Document.id].
-            - ``content``: Unstructured data (e.g. PDF, HTML). Each file
-              matched by ``input_uris`` becomes a document, with the ID
-              set to the first 128 bits of SHA256(URI) encoded as a hex
-              string.
-            - ``custom``: One custom data JSON per row in arbitrary
-              format that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
-              the data store. This can only be used by the GENERIC Data
-              Store vertical.
-            - ``csv``: A CSV file with header conforming to the defined
-              [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
-              the data store. Each entry after the header is imported as
-              a Document. This can only be used by the GENERIC Data
-              Store vertical.
+            -  ``document`` (default): One JSON
+               [Document][google.cloud.discoveryengine.v1alpha.Document]
+               per line. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1alpha.Document.id].
+            -  ``content``: Unstructured data (e.g. PDF, HTML). Each
+               file matched by ``input_uris`` becomes a document, with
+               the ID set to the first 128 bits of SHA256(URI) encoded
+               as a hex string.
+            -  ``custom``: One custom data JSON per row in arbitrary
+               format that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
+               the data store. This can only be used by the GENERIC Data
+               Store vertical.
+            -  ``csv``: A CSV file with header conforming to the defined
+               [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
+               the data store. Each entry after the header is imported
+               as a Document. This can only be used by the GENERIC Data
+               Store vertical.
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One JSON
-              [UserEvent][google.cloud.discoveryengine.v1alpha.UserEvent]
-              per line.
+            -  ``user_event`` (default): One JSON
+               [UserEvent][google.cloud.discoveryengine.v1alpha.UserEvent]
+               per line.
     """
 
     input_uris: MutableSequence[str] = proto.RepeatedField(
@@ -151,25 +150,25 @@ class BigQuerySource(proto.Message):
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One
-              [UserEvent][google.cloud.discoveryengine.v1alpha.UserEvent]
-              per row.
+            -  ``user_event`` (default): One
+               [UserEvent][google.cloud.discoveryengine.v1alpha.UserEvent]
+               per row.
 
             Supported values for document imports:
 
-            - ``document`` (default): One
-              [Document][google.cloud.discoveryengine.v1alpha.Document]
-              format per row. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1alpha.Document.id]
-              and one of
-              [Document.json_data][google.cloud.discoveryengine.v1alpha.Document.json_data]
-              or
-              [Document.struct_data][google.cloud.discoveryengine.v1alpha.Document.struct_data].
-            - ``custom``: One custom data per row in arbitrary format
-              that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
-              the data store. This can only be used by the GENERIC Data
-              Store vertical.
+            -  ``document`` (default): One
+               [Document][google.cloud.discoveryengine.v1alpha.Document]
+               format per row. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1alpha.Document.id]
+               and one of
+               [Document.json_data][google.cloud.discoveryengine.v1alpha.Document.json_data]
+               or
+               [Document.struct_data][google.cloud.discoveryengine.v1alpha.Document.struct_data].
+            -  ``custom``: One custom data per row in arbitrary format
+               that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1alpha.Schema] of
+               the data store. This can only be used by the GENERIC Data
+               Store vertical.
     """
 
     partition_date: date_pb2.Date = proto.Field(
@@ -286,6 +285,7 @@ class Type(proto.Enum):
             JSON (7):
                 JSON type.
         """
+
         TYPE_UNSPECIFIED = 0
         STRING = 1
         NUMBER = 2
@@ -306,6 +306,7 @@ class Encoding(proto.Enum):
             BINARY (2):
                 Binary encoding.
         """
+
         ENCODING_UNSPECIFIED = 0
         TEXT = 1
         BINARY = 2
@@ -325,11 +326,11 @@ class BigtableColumnFamily(proto.Message):
                 The encoding mode of the values when the type is not STRING.
                 Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1alpha.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -354,12 +355,12 @@ class BigtableColumnFamily(proto.Message):
             number=3,
             enum="BigtableOptions.Type",
         )
-        columns: MutableSequence[
-            "BigtableOptions.BigtableColumn"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=4,
-            message="BigtableOptions.BigtableColumn",
+        columns: MutableSequence["BigtableOptions.BigtableColumn"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=4,
+                message="BigtableOptions.BigtableColumn",
+            )
         )
 
     class BigtableColumn(proto.Message):
@@ -381,11 +382,11 @@ class BigtableColumn(proto.Message):
                 The encoding mode of the values when the type is not
                 ``STRING``. Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1alpha.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -972,18 +973,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1alpha.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1alpha.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1alpha.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1alpha.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1alpha.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1alpha.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1alpha.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1alpha.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1alpha.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1alpha.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1alpha.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1alpha.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1alpha.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1alpha.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1alpha.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1alpha.BigtableSource].
         id_field (str):
             The field indicates the ID field or column to be used as
             unique IDs of the documents.
@@ -1013,18 +1014,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1alpha.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1alpha.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1alpha.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1alpha.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1alpha.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1alpha.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1alpha.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1alpha.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1alpha.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1alpha.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1alpha.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1alpha.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1alpha.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1alpha.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1alpha.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1alpha.BigtableSource].
     """
 
     class ReconciliationMode(proto.Enum):
@@ -1043,6 +1044,7 @@ class ReconciliationMode(proto.Enum):
                 deleted if they are not present in the source
                 location.
         """
+
         RECONCILIATION_MODE_UNSPECIFIED = 0
         INCREMENTAL = 1
         FULL = 2
@@ -1201,8 +1203,8 @@ class ImportSuggestionDenyListEntriesRequest(proto.Message):
             import. Supported values ``gcs_source.schema`` for
             autocomplete suggestion deny list entry imports:
 
-            - ``suggestion_deny_list`` (default): One JSON
-              [SuggestionDenyListEntry] per line.
+            -  ``suggestion_deny_list`` (default): One JSON
+               [SuggestionDenyListEntry] per line.
 
             This field is a member of `oneof`_ ``source``.
         parent (str):
@@ -1220,12 +1222,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        entries: MutableSequence[
-            completion.SuggestionDenyListEntry
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.SuggestionDenyListEntry,
+        entries: MutableSequence[completion.SuggestionDenyListEntry] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.SuggestionDenyListEntry,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
@@ -1348,12 +1350,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        suggestions: MutableSequence[
-            completion.CompletionSuggestion
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.CompletionSuggestion,
+        suggestions: MutableSequence[completion.CompletionSuggestion] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.CompletionSuggestion,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project.py
index 4fbc542736c7..6524265795da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -60,11 +62,11 @@ class ServiceTerms(proto.Message):
                 The unique identifier of this terms of service. Available
                 terms:
 
-                - ``GA_DATA_USE_TERMS``: `Terms for data
-                  use <https://cloud.google.com/retail/data-use-terms>`__.
-                  When using this as ``id``, the acceptable
-                  [version][google.cloud.discoveryengine.v1alpha.Project.ServiceTerms.version]
-                  to provide is ``2022-11-23``.
+                -  ``GA_DATA_USE_TERMS``: `Terms for data
+                   use <https://cloud.google.com/retail/data-use-terms>`__.
+                   When using this as ``id``, the acceptable
+                   [version][google.cloud.discoveryengine.v1alpha.Project.ServiceTerms.version]
+                   to provide is ``2022-11-23``.
             version (str):
                 The version string of the terms of service. For acceptable
                 values, see the comments for
@@ -98,6 +100,7 @@ class State(proto.Enum):
                     The project has declined or revoked the
                     agreement to terms of service.
             """
+
             STATE_UNSPECIFIED = 0
             TERMS_ACCEPTED = 1
             TERMS_PENDING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project_service.py
index 1b8fe4e3315b..0e5a6dd89064 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/project_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -105,11 +106,11 @@ class ReportConsentChangeRequest(proto.Message):
             Required. The unique identifier of the terms of service to
             update. Available term ids:
 
-            - ``GA_DATA_USE_TERMS``: `Terms for data
-              use <https://cloud.google.com/retail/data-use-terms>`__.
-              When using this service term id, the acceptable
-              [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
-              to provide is ``2022-11-23``.
+            -  ``GA_DATA_USE_TERMS``: `Terms for data
+               use <https://cloud.google.com/retail/data-use-terms>`__.
+               When using this service term id, the acceptable
+               [service_term_version][google.cloud.discoveryengine.v1alpha.ReportConsentChangeRequest.service_term_version]
+               to provide is ``2022-11-23``.
         service_term_version (str):
             Required. The version string of the terms of
             service to update.
@@ -127,6 +128,7 @@ class ConsentChangeAction(proto.Enum):
             ACCEPT (1):
                 User accepts service terms.
         """
+
         CONSENT_CHANGE_ACTION_UNSPECIFIED = 0
         ACCEPT = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/purge_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/purge_config.py
index f7c0e7ac2f29..52b5217282a2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/purge_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/purge_config.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -56,23 +57,23 @@ class PurgeUserEventsRequest(proto.Message):
             deleted with a length limit of 5,000 characters. The
             eligible fields for filtering are:
 
-            - ``eventType``: Double quoted
-              [UserEvent.event_type][google.cloud.discoveryengine.v1alpha.UserEvent.event_type]
-              string.
-            - ``eventTime``: in ISO 8601 "zulu" format.
-            - ``userPseudoId``: Double quoted string. Specifying this
-              will delete all events associated with a visitor.
-            - ``userId``: Double quoted string. Specifying this will
-              delete all events associated with a user.
+            -  ``eventType``: Double quoted
+               [UserEvent.event_type][google.cloud.discoveryengine.v1alpha.UserEvent.event_type]
+               string.
+            -  ``eventTime``: in ISO 8601 "zulu" format.
+            -  ``userPseudoId``: Double quoted string. Specifying this
+               will delete all events associated with a visitor.
+            -  ``userId``: Double quoted string. Specifying this will
+               delete all events associated with a user.
 
             Examples:
 
-            - Deleting all events in a time range:
-              ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
-            - Deleting specific eventType: ``eventType = "search"``
-            - Deleting all events for a specific visitor:
-              ``userPseudoId = "visitor1024"``
-            - Deleting all events inside a DataStore: ``*``
+            -  Deleting all events in a time range:
+               ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
+            -  Deleting specific eventType: ``eventType = "search"``
+            -  Deleting all events for a specific visitor:
+               ``userPseudoId = "visitor1024"``
+            -  Deleting all events inside a DataStore: ``*``
 
             The filtering fields are assumed to have an implicit AND.
         force (bool):
@@ -193,9 +194,9 @@ class PurgeDocumentsRequest(proto.Message):
             Cloud Storage location for the input content. Supported
             ``data_schema``:
 
-            - ``document_id``: One valid
-              [Document.id][google.cloud.discoveryengine.v1alpha.Document.id]
-              per line.
+            -  ``document_id``: One valid
+               [Document.id][google.cloud.discoveryengine.v1alpha.Document.id]
+               per line.
 
             This field is a member of `oneof`_ ``source``.
         inline_source (google.cloud.discoveryengine_v1alpha.types.PurgeDocumentsRequest.InlineSource):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/rank_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/rank_service.py
index 10344f5ca79f..5f31c9098e57 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/rank_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/rank_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -85,8 +86,8 @@ class RankRequest(proto.Message):
         model (str):
             The identifier of the model to use. It is one of:
 
-            - ``semantic-ranker-512@latest``: Semantic ranking model
-              with maxiumn input token size 512.
+            -  ``semantic-ranker-512@latest``: Semantic ranking model
+               with maxiumn input token size 512.
 
             It is set to ``semantic-ranker-512@latest`` by default if
             unspecified.
@@ -107,20 +108,20 @@ class RankRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/recommendation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/recommendation_service.py
index db06b8c5820a..aad09a42dd51 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/recommendation_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import user_event as gcd_user_event
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import user_event as gcd_user_event
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -84,18 +85,18 @@ class RecommendRequest(proto.Message):
 
             Examples:
 
-            - ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
-            - ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
+            -  ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
+            -  ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
 
             If ``attributeFilteringSyntax`` is set to true under the
             ``params`` field, then attribute-based expressions are
             expected instead of the above described tag-based syntax.
             Examples:
 
-            - (launguage: ANY("en", "es")) AND NOT (categories:
-              ANY("Movie"))
-            - (available: true) AND (launguage: ANY("en", "es")) OR
-              (categories: ANY("Movie"))
+            -  (launguage: ANY("en", "es")) AND NOT (categories:
+               ANY("Movie"))
+            -  (available: true) AND (launguage: ANY("en", "es")) OR
+               (categories: ANY("Movie"))
 
             If your filter blocks all results, the API returns generic
             (unfiltered) popular Documents. If you only want results
@@ -119,51 +120,51 @@ class RecommendRequest(proto.Message):
 
             Allowed values:
 
-            - ``returnDocument``: Boolean. If set to ``true``, the
-              associated Document object is returned in
-              [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1alpha.RecommendResponse.RecommendationResult.document].
-            - ``returnScore``: Boolean. If set to true, the
-              recommendation score corresponding to each returned
-              Document is set in
-              [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1alpha.RecommendResponse.RecommendationResult.metadata].
-              The given score indicates the probability of a Document
-              conversion given the user's context and history.
-            - ``strictFiltering``: Boolean. True by default. If set to
-              ``false``, the service returns generic (unfiltered)
-              popular Documents instead of empty if your filter blocks
-              all recommendation results.
-            - ``diversityLevel``: String. Default empty. If set to be
-              non-empty, then it needs to be one of:
-
-              - ``no-diversity``
-              - ``low-diversity``
-              - ``medium-diversity``
-              - ``high-diversity``
-              - ``auto-diversity`` This gives request-level control and
-                adjusts recommendation results based on Document
-                category.
-
-            - ``attributeFilteringSyntax``: Boolean. False by default.
-              If set to true, the ``filter`` field is interpreted
-              according to the new, attribute-based syntax.
+            -  ``returnDocument``: Boolean. If set to ``true``, the
+               associated Document object is returned in
+               [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1alpha.RecommendResponse.RecommendationResult.document].
+            -  ``returnScore``: Boolean. If set to true, the
+               recommendation score corresponding to each returned
+               Document is set in
+               [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1alpha.RecommendResponse.RecommendationResult.metadata].
+               The given score indicates the probability of a Document
+               conversion given the user's context and history.
+            -  ``strictFiltering``: Boolean. True by default. If set to
+               ``false``, the service returns generic (unfiltered)
+               popular Documents instead of empty if your filter blocks
+               all recommendation results.
+            -  ``diversityLevel``: String. Default empty. If set to be
+               non-empty, then it needs to be one of:
+
+               -  ``no-diversity``
+               -  ``low-diversity``
+               -  ``medium-diversity``
+               -  ``high-diversity``
+               -  ``auto-diversity`` This gives request-level control
+                  and adjusts recommendation results based on Document
+                  category.
+
+            -  ``attributeFilteringSyntax``: Boolean. False by default.
+               If set to true, the ``filter`` field is interpreted
+               according to the new, attribute-based syntax.
         user_labels (MutableMapping[str, str]):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Requirements for
             labels <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -242,9 +243,9 @@ class RecommendationResult(proto.Message):
 
                 Possible values:
 
-                - ``score``: Recommendation score in double value. Is set if
-                  ``returnScore`` is set to true in
-                  [RecommendRequest.params][google.cloud.discoveryengine.v1alpha.RecommendRequest.params].
+                -  ``score``: Recommendation score in double value. Is set
+                   if ``returnScore`` is set to true in
+                   [RecommendRequest.params][google.cloud.discoveryengine.v1alpha.RecommendRequest.params].
         """
 
         id: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query.py
index e6d834a42d5c..644c2a791d9a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_service.py
index 29a623493981..f51579141630 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set.py
index 0b91372a0e2e..5e13c9fa0e20 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set_service.py
index b493508c4cd9..d1434382eb0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/sample_query_set_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -135,12 +136,12 @@ class ListSampleQuerySetsResponse(proto.Message):
     def raw_page(self):
         return self
 
-    sample_query_sets: MutableSequence[
-        gcd_sample_query_set.SampleQuerySet
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_sample_query_set.SampleQuerySet,
+    sample_query_sets: MutableSequence[gcd_sample_query_set.SampleQuerySet] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_sample_query_set.SampleQuerySet,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema.py
index c689e740ae89..b30aff4eaf44 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -259,8 +261,8 @@ class FieldConfig(proto.Message):
             starting from ``_root``, with a period ``.`` as the
             delimiter. Examples:
 
-            - Publish date of the root: \_root.datePublished
-            - Publish date of the reviews: \_root.review.datePublished
+            -  Publish date of the root: \_root.datePublished
+            -  Publish date of the reviews: \_root.review.datePublished
     """
 
     class FieldType(proto.Enum):
@@ -283,13 +285,13 @@ class FieldType(proto.Enum):
                 Field value type is Geolocation. Geolocation is expressed as
                 an object with the following keys:
 
-                - ``id``: a string representing the location id
-                - ``longitude``: a number representing the longitude
-                  coordinate of the location
-                - ``latitude``: a number repesenting the latitude coordinate
-                  of the location
-                - ``address``: a string representing the full address of the
-                  location
+                -  ``id``: a string representing the location id
+                -  ``longitude``: a number representing the longitude
+                   coordinate of the location
+                -  ``latitude``: a number repesenting the latitude
+                   coordinate of the location
+                -  ``address``: a string representing the full address of
+                   the location
 
                 ``latitude`` and ``longitude`` must always be provided
                 together. At least one of a) ``address`` or b)
@@ -298,14 +300,15 @@ class FieldType(proto.Enum):
                 Field value type is Datetime. Datetime can be expressed as
                 either:
 
-                - a number representing milliseconds-since-the-epoch
-                - a string representing milliseconds-since-the-epoch. e.g.
-                  ``"1420070400001"``
-                - a string representing the `ISO
-                  8601 <https://en.wikipedia.org/wiki/ISO_8601>`__ date or
-                  date and time. e.g. ``"2015-01-01"`` or
-                  ``"2015-01-01T12:10:30Z"``
+                -  a number representing milliseconds-since-the-epoch
+                -  a string representing milliseconds-since-the-epoch. e.g.
+                   ``"1420070400001"``
+                -  a string representing the `ISO
+                   8601 <https://en.wikipedia.org/wiki/ISO_8601>`__ date or
+                   date and time. e.g. ``"2015-01-01"`` or
+                   ``"2015-01-01T12:10:30Z"``
         """
+
         FIELD_TYPE_UNSPECIFIED = 0
         OBJECT = 1
         STRING = 2
@@ -326,6 +329,7 @@ class IndexableOption(proto.Enum):
             INDEXABLE_DISABLED (2):
                 Indexable option disabled for a schema field.
         """
+
         INDEXABLE_OPTION_UNSPECIFIED = 0
         INDEXABLE_ENABLED = 1
         INDEXABLE_DISABLED = 2
@@ -343,6 +347,7 @@ class DynamicFacetableOption(proto.Enum):
                 Dynamic facetable option disabled for a
                 schema field.
         """
+
         DYNAMIC_FACETABLE_OPTION_UNSPECIFIED = 0
         DYNAMIC_FACETABLE_ENABLED = 1
         DYNAMIC_FACETABLE_DISABLED = 2
@@ -359,6 +364,7 @@ class SearchableOption(proto.Enum):
                 Searchable option disabled for a schema
                 field.
         """
+
         SEARCHABLE_OPTION_UNSPECIFIED = 0
         SEARCHABLE_ENABLED = 1
         SEARCHABLE_DISABLED = 2
@@ -376,6 +382,7 @@ class RetrievableOption(proto.Enum):
                 Retrievable option disabled for a schema
                 field.
         """
+
         RETRIEVABLE_OPTION_UNSPECIFIED = 0
         RETRIEVABLE_ENABLED = 1
         RETRIEVABLE_DISABLED = 2
@@ -393,6 +400,7 @@ class CompletableOption(proto.Enum):
                 Completable option disabled for a schema
                 field.
         """
+
         COMPLETABLE_OPTION_UNSPECIFIED = 0
         COMPLETABLE_ENABLED = 1
         COMPLETABLE_DISABLED = 2
@@ -409,6 +417,7 @@ class FilterableOption(proto.Enum):
                 Filterable option disabled for a schema
                 field.
         """
+
         FILTERABLE_OPTION_UNSPECIFIED = 0
         FILTERABLE_ENABLED = 1
         FILTERABLE_DISABLED = 2
@@ -430,6 +439,7 @@ class AdvancedSiteSearchDataSource(proto.Enum):
             SCHEMA_ORG (4):
                 Retrieve value from schema.org data.
         """
+
         ADVANCED_SITE_SEARCH_DATA_SOURCE_UNSPECIFIED = 0
         METATAGS = 1
         PAGEMAP = 2
@@ -479,12 +489,12 @@ class AdvancedSiteSearchDataSource(proto.Enum):
         proto.STRING,
         number=7,
     )
-    advanced_site_search_data_sources: MutableSequence[
-        AdvancedSiteSearchDataSource
-    ] = proto.RepeatedField(
-        proto.ENUM,
-        number=10,
-        enum=AdvancedSiteSearchDataSource,
+    advanced_site_search_data_sources: MutableSequence[AdvancedSiteSearchDataSource] = (
+        proto.RepeatedField(
+            proto.ENUM,
+            number=10,
+            enum=AdvancedSiteSearchDataSource,
+        )
     )
     schema_org_paths: MutableSequence[str] = proto.RepeatedField(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema_service.py
index 1bcb7a03dc21..eaf63b13e3e0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/schema_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import schema as gcd_schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_service.py
index ec032e3f2105..ef880576fff2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import chunk as gcd_chunk
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -64,11 +65,11 @@ class SearchRequest(proto.Message):
             type. Values above the maximum value are coerced to the
             maximum value.
 
-            - Websites with basic indexing: Default ``10``, Maximum
-              ``25``.
-            - Websites with advanced indexing: Default ``25``, Maximum
-              ``50``.
-            - Other: Default ``50``, Maximum ``100``.
+            -  Websites with basic indexing: Default ``10``, Maximum
+               ``25``.
+            -  Websites with advanced indexing: Default ``25``, Maximum
+               ``50``.
+            -  Other: Default ``50``, Maximum ``100``.
 
             If this field is negative, an ``INVALID_ARGUMENT`` is
             returned.
@@ -180,18 +181,18 @@ class SearchRequest(proto.Message):
 
             For public website search only, supported values are:
 
-            - ``user_country_code``: string. Default empty. If set to
-              non-empty, results are restricted or boosted based on the
-              location provided. For example,
-              ``user_country_code: "au"``
+            -  ``user_country_code``: string. Default empty. If set to
+               non-empty, results are restricted or boosted based on the
+               location provided. For example,
+               ``user_country_code: "au"``
 
-              For available codes see `Country
-              Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
+               For available codes see `Country
+               Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
 
-            - ``search_type``: double. Default empty. Enables
-              non-webpage searching depending on the value. The only
-              valid non-default value is 1, which enables image
-              searching. For example, ``search_type: 1``
+            -  ``search_type``: double. Default empty. Enables
+               non-webpage searching depending on the value. The only
+               valid non-default value is 1, which enables image
+               searching. For example, ``search_type: 1``
         query_expansion_spec (google.cloud.discoveryengine_v1alpha.types.SearchRequest.QueryExpansionSpec):
             The query expansion specification that
             specifies the conditions under which query
@@ -248,21 +249,21 @@ class SearchRequest(proto.Message):
             be a single function or multiple functions that are joined
             by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              ``embedding_field_path`` and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               ``embedding_field_path`` and query embedding vector.
 
             Example ranking expression:
 
@@ -276,66 +277,68 @@ class SearchRequest(proto.Message):
             is set to ``RANK_BY_FORMULA``, the following expression
             types (and combinations of those chained using + or
 
-            - operators) are supported:
-
-              - ``double``
-              - ``signal``
-              - ``log(signal)``
-              - ``exp(signal)``
-              - ``rr(signal, double > 0)`` -- reciprocal rank
-                transformation with second argument being a denominator
-                constant.
-              - ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
-                otherwise.
-              - ``fill_nan(signal1, signal2 | double)`` -- if signal1 is
-                NaN, returns signal2 \| double, else returns signal1.
-
-              Here are a few examples of ranking formulas that use the
-              supported ranking expression types:
-
-              - ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
-                -- mostly rank by the logarithm of
-                ``keyword_similarity_score`` with slight
-                ``semantic_smilarity_score`` adjustment.
-              - ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
-                -- rank by the exponent of ``semantic_similarity_score``
-                filling the value with 0 if it's NaN, also add constant
-                0.3 adjustment to the final score if
-                ``semantic_similarity_score`` is NaN.
-              - ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
-                -- mostly rank by the reciprocal rank of
-                ``keyword_similarity_score`` with slight adjustment of
-                reciprocal rank of ``semantic_smilarity_score``.
+            -  operators) are supported:
+
+               -  ``double``
+               -  ``signal``
+               -  ``log(signal)``
+               -  ``exp(signal)``
+               -  ``rr(signal, double > 0)`` -- reciprocal rank
+                  transformation with second argument being a
+                  denominator constant.
+               -  ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
+                  otherwise.
+               -  ``fill_nan(signal1, signal2 | double)`` -- if signal1
+                  is NaN, returns signal2 \| double, else returns
+                  signal1.
+
+               Here are a few examples of ranking formulas that use the
+               supported ranking expression types:
+
+               -  ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
+                  -- mostly rank by the logarithm of
+                  ``keyword_similarity_score`` with slight
+                  ``semantic_smilarity_score`` adjustment.
+               -  ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
+                  -- rank by the exponent of
+                  ``semantic_similarity_score`` filling the value with 0
+                  if it's NaN, also add constant 0.3 adjustment to the
+                  final score if ``semantic_similarity_score`` is NaN.
+               -  ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
+                  -- mostly rank by the reciprocal rank of
+                  ``keyword_similarity_score`` with slight adjustment of
+                  reciprocal rank of ``semantic_smilarity_score``.
 
             The following signals are supported:
 
-            - ``semantic_similarity_score``: semantic similarity
-              adjustment that is calculated using the embeddings
-              generated by a proprietary Google model. This score
-              determines how semantically similar a search query is to a
-              document.
-            - ``keyword_similarity_score``: keyword match adjustment
-              uses the Best Match 25 (BM25) ranking function. This score
-              is calculated using a probabilistic model to estimate the
-              probability that a document is relevant to a given query.
-            - ``relevance_score``: semantic relevance adjustment that
-              uses a proprietary Google model to determine the meaning
-              and intent behind a user's query in context with the
-              content in the documents.
-            - ``pctr_rank``: predicted conversion rate adjustment as a
-              rank use predicted Click-through rate (pCTR) to gauge the
-              relevance and attractiveness of a search result from a
-              user's perspective. A higher pCTR suggests that the result
-              is more likely to satisfy the user's query and intent,
-              making it a valuable signal for ranking.
-            - ``freshness_rank``: freshness adjustment as a rank
-            - ``document_age``: The time in hours elapsed since the
-              document was last updated, a floating-point number (e.g.,
-              0.25 means 15 minutes).
-            - ``topicality_rank``: topicality adjustment as a rank. Uses
-              proprietary Google model to determine the keyword-based
-              overlap between the query and the document.
-            - ``base_rank``: the default rank of the result
+            -  ``semantic_similarity_score``: semantic similarity
+               adjustment that is calculated using the embeddings
+               generated by a proprietary Google model. This score
+               determines how semantically similar a search query is to
+               a document.
+            -  ``keyword_similarity_score``: keyword match adjustment
+               uses the Best Match 25 (BM25) ranking function. This
+               score is calculated using a probabilistic model to
+               estimate the probability that a document is relevant to a
+               given query.
+            -  ``relevance_score``: semantic relevance adjustment that
+               uses a proprietary Google model to determine the meaning
+               and intent behind a user's query in context with the
+               content in the documents.
+            -  ``pctr_rank``: predicted conversion rate adjustment as a
+               rank use predicted Click-through rate (pCTR) to gauge the
+               relevance and attractiveness of a search result from a
+               user's perspective. A higher pCTR suggests that the
+               result is more likely to satisfy the user's query and
+               intent, making it a valuable signal for ranking.
+            -  ``freshness_rank``: freshness adjustment as a rank
+            -  ``document_age``: The time in hours elapsed since the
+               document was last updated, a floating-point number (e.g.,
+               0.25 means 15 minutes).
+            -  ``topicality_rank``: topicality adjustment as a rank.
+               Uses proprietary Google model to determine the
+               keyword-based overlap between the query and the document.
+            -  ``base_rank``: the default rank of the result
         ranking_expression_backend (google.cloud.discoveryengine_v1alpha.types.SearchRequest.RankingExpressionBackend):
             The backend to use for the ranking expression
             evaluation.
@@ -346,20 +349,20 @@ class SearchRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -437,6 +440,7 @@ class RelevanceThreshold(proto.Enum):
             HIGH (4):
                 High relevance threshold.
         """
+
         RELEVANCE_THRESHOLD_UNSPECIFIED = 0
         LOWEST = 1
         LOW = 2
@@ -456,6 +460,7 @@ class RankingExpressionBackend(proto.Enum):
             RANK_BY_FORMULA (4):
                 Ranking by custom formula.
         """
+
         RANKING_EXPRESSION_BACKEND_UNSPECIFIED = 0
         RANK_BY_EMBEDDING = 3
         RANK_BY_FORMULA = 4
@@ -564,11 +569,11 @@ class FacetSpec(proto.Message):
                 Another example, assuming you have the following facets in
                 the request:
 
-                - "rating", enable_dynamic_position = true
+                -  "rating", enable_dynamic_position = true
 
-                - "price", enable_dynamic_position = false
+                -  "price", enable_dynamic_position = false
 
-                - "brands", enable_dynamic_position = false
+                -  "brands", enable_dynamic_position = false
 
                 And also you have a dynamic facets enabled, which generates
                 a facet ``gender``. Then the final order of the facets in
@@ -627,13 +632,13 @@ class FacetKey(proto.Message):
 
                     Allowed values are:
 
-                    - "count desc", which means order by
-                      [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1alpha.SearchResponse.Facet.FacetValue.count]
-                      descending.
+                    -  "count desc", which means order by
+                       [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1alpha.SearchResponse.Facet.FacetValue.count]
+                       descending.
 
-                    - "value desc", which means order by
-                      [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1alpha.SearchResponse.Facet.FacetValue.value]
-                      descending. Only applies to textual facets.
+                    -  "value desc", which means order by
+                       [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1alpha.SearchResponse.Facet.FacetValue.value]
+                       descending. Only applies to textual facets.
 
                     If not set, textual values are sorted in `natural
                     order <https://en.wikipedia.org/wiki/Natural_sort_order>`__;
@@ -715,9 +720,9 @@ class ConditionBoostSpec(proto.Message):
 
                     Examples:
 
-                    - To boost documents with document ID "doc_1" or "doc_2",
-                      and color "Red" or "Blue":
-                      ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
+                    -  To boost documents with document ID "doc_1" or "doc_2",
+                       and color "Red" or "Blue":
+                       ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
                 boost (float):
                     Strength of the condition boost, which should be in [-1, 1].
                     Negative boost means demotion. Default is 0.0.
@@ -792,6 +797,7 @@ class AttributeType(proto.Enum):
                             ``[nD][T[nH][nM][nS]]``. For example, ``5D``, ``3DT12H30M``,
                             ``T24H``.
                     """
+
                     ATTRIBUTE_TYPE_UNSPECIFIED = 0
                     NUMERICAL = 1
                     FRESHNESS = 2
@@ -808,6 +814,7 @@ class InterpolationType(proto.Enum):
                             Piecewise linear interpolation will be
                             applied.
                     """
+
                     INTERPOLATION_TYPE_UNSPECIFIED = 0
                     LINEAR = 1
 
@@ -917,6 +924,7 @@ class Condition(proto.Enum):
                     Automatic query expansion built by the Search
                     API.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             AUTO = 2
@@ -960,6 +968,7 @@ class Mode(proto.Enum):
                     Search API. Search will be based on the
                     corrected query if found.
             """
+
             MODE_UNSPECIFIED = 0
             SUGGESTION_ONLY = 1
             AUTO = 2
@@ -1009,6 +1018,7 @@ class SearchResultMode(proto.Enum):
                     [DataStore.DocumentProcessingConfig.chunking_config][] is
                     specified.
             """
+
             SEARCH_RESULT_MODE_UNSPECIFIED = 0
             DOCUMENTS = 1
             CHUNKS = 2
@@ -1162,15 +1172,15 @@ class ModelSpec(proto.Message):
 
                         Supported values are:
 
-                        - ``stable``: string. Default value when no value is
-                          specified. Uses a generally available, fine-tuned model.
-                          For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
-                        - ``preview``: string. (Public preview) Uses a preview
-                          model. For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``stable``: string. Default value when no value is
+                           specified. Uses a generally available, fine-tuned model.
+                           For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``preview``: string. (Public preview) Uses a preview
+                           model. For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
                 """
 
                 version: str = proto.Field(
@@ -1419,6 +1429,7 @@ class FilterExtractionCondition(proto.Enum):
                 ENABLED (2):
                     Enables NL filter extraction.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             ENABLED = 2
@@ -1428,11 +1439,11 @@ class FilterExtractionCondition(proto.Enum):
             number=1,
             enum="SearchRequest.NaturalLanguageQueryUnderstandingSpec.FilterExtractionCondition",
         )
-        geo_search_query_detection_field_names: MutableSequence[
-            str
-        ] = proto.RepeatedField(
-            proto.STRING,
-            number=2,
+        geo_search_query_detection_field_names: MutableSequence[str] = (
+            proto.RepeatedField(
+                proto.STRING,
+                number=2,
+            )
         )
 
     class SearchAsYouTypeSpec(proto.Message):
@@ -1458,6 +1469,7 @@ class Condition(proto.Enum):
                 ENABLED (2):
                     Enables Search As You Type.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             ENABLED = 2
@@ -1964,12 +1976,12 @@ class FacetValue(proto.Message):
             proto.STRING,
             number=1,
         )
-        values: MutableSequence[
-            "SearchResponse.Facet.FacetValue"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=2,
-            message="SearchResponse.Facet.FacetValue",
+        values: MutableSequence["SearchResponse.Facet.FacetValue"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=2,
+                message="SearchResponse.Facet.FacetValue",
+            )
         )
         dynamic_facet: bool = proto.Field(
             proto.BOOL,
@@ -2102,6 +2114,7 @@ class SummarySkippedReason(proto.Enum):
                     [SearchRequest.ContentSearchSpec.SummarySpec.ignore_non_answer_seeking_query]
                     is set to ``true``.
             """
+
             SUMMARY_SKIPPED_REASON_UNSPECIFIED = 0
             ADVERSARIAL_QUERY_IGNORED = 1
             NON_SUMMARY_SEEKING_QUERY_IGNORED = 2
@@ -2145,12 +2158,12 @@ class CitationMetadata(proto.Message):
                     Citations for segments.
             """
 
-            citations: MutableSequence[
-                "SearchResponse.Summary.Citation"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=1,
-                message="SearchResponse.Summary.Citation",
+            citations: MutableSequence["SearchResponse.Summary.Citation"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=1,
+                    message="SearchResponse.Summary.Citation",
+                )
             )
 
         class Citation(proto.Message):
@@ -2174,12 +2187,12 @@ class Citation(proto.Message):
                 proto.INT64,
                 number=2,
             )
-            sources: MutableSequence[
-                "SearchResponse.Summary.CitationSource"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.CitationSource",
+            sources: MutableSequence["SearchResponse.Summary.CitationSource"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.CitationSource",
+                )
             )
 
         class CitationSource(proto.Message):
@@ -2277,12 +2290,12 @@ class SummaryWithMetadata(proto.Message):
                 number=2,
                 message="SearchResponse.Summary.CitationMetadata",
             )
-            references: MutableSequence[
-                "SearchResponse.Summary.Reference"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.Reference",
+            references: MutableSequence["SearchResponse.Summary.Reference"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.Reference",
+                )
             )
 
         summary_text: str = proto.Field(
@@ -2451,6 +2464,7 @@ class Comparison(proto.Enum):
                         GREATER_THAN (5):
                             Denotes greater than ``>`` operator.
                     """
+
                     COMPARISON_UNSPECIFIED = 0
                     EQUALS = 1
                     LESS_THAN_EQUALS = 2
@@ -2694,6 +2708,7 @@ class OneBoxType(proto.Enum):
                 SLACK (3):
                     One Box result contains slack results.
             """
+
             ONE_BOX_TYPE_UNSPECIFIED = 0
             PEOPLE = 1
             ORGANIZATION = 2
@@ -2704,12 +2719,12 @@ class OneBoxType(proto.Enum):
             number=1,
             enum="SearchResponse.OneBoxResult.OneBoxType",
         )
-        search_results: MutableSequence[
-            "SearchResponse.SearchResult"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=2,
-            message="SearchResponse.SearchResult",
+        search_results: MutableSequence["SearchResponse.SearchResult"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=2,
+                message="SearchResponse.SearchResult",
+            )
         )
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_tuning_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_tuning_service.py
index 2134c54c126e..64ab9cc0c5f5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/search_tuning_service.py
@@ -17,14 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1alpha.types import custom_tuning_model
+from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import (
-    custom_tuning_model,
-    import_config,
-)
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -68,12 +67,12 @@ class ListCustomModelsResponse(proto.Message):
             List of custom tuning models.
     """
 
-    models: MutableSequence[
-        custom_tuning_model.CustomTuningModel
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=custom_tuning_model.CustomTuningModel,
+    models: MutableSequence[custom_tuning_model.CustomTuningModel] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=custom_tuning_model.CustomTuningModel,
+        )
     )
 
 
@@ -98,8 +97,8 @@ class TrainCustomModelRequest(proto.Message):
         model_type (str):
             Model to be trained. Supported values are:
 
-            - **search-tuning**: Fine tuning the search system based on
-              data provided.
+            -  **search-tuning**: Fine tuning the search system based on
+               data provided.
         error_config (google.cloud.discoveryengine_v1alpha.types.ImportErrorConfig):
             The desired location of errors incurred
             during the data ingestion and training.
@@ -139,8 +138,8 @@ class GcsTrainingInput(proto.Message):
                 number in ``[0, inf+)``. The larger the number is, the more
                 relevant the pair is. Example:
 
-                - ``query-id\tcorpus-id\tscore``
-                - ``query1\tdoc1\t1``
+                -  ``query-id\tcorpus-id\tscore``
+                -  ``query1\tdoc1\t1``
             test_data_path (str):
                 Cloud Storage test data. Same format as train_data_path. If
                 not provided, a random 80/20 train/test split will be
@@ -205,15 +204,15 @@ class TrainCustomModelResponse(proto.Message):
         model_status (str):
             The trained model status. Possible values are:
 
-            - **bad-data**: The training data quality is bad.
-            - **no-improvement**: Tuning didn't improve performance.
-              Won't deploy.
-            - **in-progress**: Model training job creation is in
-              progress.
-            - **training**: Model is actively training.
-            - **evaluating**: The model is evaluating trained metrics.
-            - **indexing**: The model trained metrics are indexing.
-            - **ready**: The model is ready for serving.
+            -  **bad-data**: The training data quality is bad.
+            -  **no-improvement**: Tuning didn't improve performance.
+               Won't deploy.
+            -  **in-progress**: Model training job creation is in
+               progress.
+            -  **training**: Model is actively training.
+            -  **evaluating**: The model is evaluating trained metrics.
+            -  **indexing**: The model trained metrics are indexing.
+            -  **ready**: The model is ready for serving.
         metrics (MutableMapping[str, float]):
             The metrics of the trained model.
         model_name (str):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config.py
index b375e48b8ce0..4961cbc8c81c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config.py
@@ -17,10 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1alpha.types import common, search_service
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -82,11 +84,11 @@ class ServingConfig(proto.Message):
             e.g. ``medium-diversity`` or ``high-diversity``. Currently
             supported values:
 
-            - ``no-diversity``
-            - ``low-diversity``
-            - ``medium-diversity``
-            - ``high-diversity``
-            - ``auto-diversity``
+            -  ``no-diversity``
+            -  ``low-diversity``
+            -  ``medium-diversity``
+            -  ``high-diversity``
+            -  ``auto-diversity``
 
             If not specified, we choose default based on recommendation
             model type. Default value: ``no-diversity``.
@@ -118,21 +120,21 @@ class ServingConfig(proto.Message):
             The ranking expression is a single function or multiple
             functions that are joined by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              embedding_field_path and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               embedding_field_path and query embedding vector.
 
             Example ranking expression:
 
@@ -221,20 +223,20 @@ class MediaConfig(proto.Message):
         r"""Specifies the configurations needed for Media Discovery. Currently
         we support:
 
-        - ``demote_content_watched``: Threshold for watched content
-          demotion. Customers can specify if using watched content demotion
-          or use viewed detail page. Using the content watched demotion,
-          customers need to specify the watched minutes or percentage
-          exceeds the threshold, the content will be demoted in the
-          recommendation result.
-        - ``promote_fresh_content``: cutoff days for fresh content
-          promotion. Customers can specify if using content freshness
-          promotion. If the content was published within the cutoff days,
-          the content will be promoted in the recommendation result. Can
-          only be set if
-          [SolutionType][google.cloud.discoveryengine.v1alpha.SolutionType]
-          is
-          [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1alpha.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
+        -  ``demote_content_watched``: Threshold for watched content
+           demotion. Customers can specify if using watched content demotion
+           or use viewed detail page. Using the content watched demotion,
+           customers need to specify the watched minutes or percentage
+           exceeds the threshold, the content will be demoted in the
+           recommendation result.
+        -  ``promote_fresh_content``: cutoff days for fresh content
+           promotion. Customers can specify if using content freshness
+           promotion. If the content was published within the cutoff days,
+           the content will be promoted in the recommendation result. Can
+           only be set if
+           [SolutionType][google.cloud.discoveryengine.v1alpha.SolutionType]
+           is
+           [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1alpha.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
 
         This message has `oneof`_ fields (mutually exclusive fields).
         For each oneof, at most one member field can be set at the same time.
@@ -259,11 +261,11 @@ class MediaConfig(proto.Message):
                 Specifies the event type used for demoting recommendation
                 result. Currently supported values:
 
-                - ``view-item``: Item viewed.
-                - ``media-play``: Start/resume watching a video, playing a
-                  song, etc.
-                - ``media-complete``: Finished or stopped midway through a
-                  video, song, etc.
+                -  ``view-item``: Item viewed.
+                -  ``media-play``: Start/resume watching a video, playing a
+                   song, etc.
+                -  ``media-complete``: Finished or stopped midway through a
+                   video, song, etc.
 
                 If unset, watch history demotion will not be applied.
                 Content freshness demotion will still be applied.
@@ -297,7 +299,8 @@ class GenericConfig(proto.Message):
         r"""Specifies the configurations needed for Generic Discovery.Currently
         we support:
 
-        - ``content_search_spec``: configuration for generic content search.
+        -  ``content_search_spec``: configuration for generic content
+           search.
 
         Attributes:
             content_search_spec (google.cloud.discoveryengine_v1alpha.types.SearchRequest.ContentSearchSpec):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config_service.py
index 40b86435dce1..d473d94c9725 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/serving_config_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -46,7 +47,7 @@ class UpdateServingConfigRequest(proto.Message):
             [ServingConfig][google.cloud.discoveryengine.v1alpha.ServingConfig]
             to update. The following are NOT supported:
 
-            - [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
+            -  [ServingConfig.name][google.cloud.discoveryengine.v1alpha.ServingConfig.name]
 
             If not set, all supported fields are updated.
     """
@@ -126,12 +127,12 @@ class ListServingConfigsResponse(proto.Message):
     def raw_page(self):
         return self
 
-    serving_configs: MutableSequence[
-        gcd_serving_config.ServingConfig
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_serving_config.ServingConfig,
+    serving_configs: MutableSequence[gcd_serving_config.ServingConfig] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_serving_config.ServingConfig,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session.py
index a4ebfbde229b..bd9ad95af955 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import duration_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import answer as gcd_answer
 from google.cloud.discoveryengine_v1alpha.types import common
+from google.protobuf import duration_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -58,6 +59,7 @@ class FileSource(proto.Enum):
             The file was retrieved from a URL (e.g.
             public web).
     """
+
     FILE_SOURCE_UNSPECIFIED = 0
     FILE_SOURCE_INLINE = 1
     FILE_SOURCE_LOCAL = 2
@@ -104,6 +106,7 @@ class State(proto.Enum):
             IN_PROGRESS (1):
                 The session is currently open.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
 
@@ -253,6 +256,7 @@ class ColorSpace(proto.Enum):
             OTHER_COLOR_SPACE (5):
                 Other colorspace.
         """
+
         COLOR_SPACE_UNSPECIFIED = 0
         RGB = 1
         CMYK = 2
@@ -497,11 +501,11 @@ class FileMetadata(proto.Message):
             Output only. Alternate views of this file object. Each file
             view is attached to a specific role. Possible example keys:
 
-            - "thumbnail"
-            - "mobile_thumbnail"
-            - "clip"
-            - "summary"
-            - "translation".
+            -  "thumbnail"
+            -  "mobile_thumbnail"
+            -  "clip"
+            -  "summary"
+            -  "translation".
     """
 
     file_id: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session_service.py
index 30f221be13d0..7322121ca532 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/session_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import session
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -46,17 +47,17 @@ class ListFilesRequest(proto.Message):
             fields of the files being filtered. Filter expression is
             case-sensitive. Currently supported field names are:
 
-            - upload_time
-            - last_add_time
-            - last_use_time
-            - file_name
-            - mime_type
+            -  upload_time
+            -  last_add_time
+            -  last_use_time
+            -  file_name
+            -  mime_type
 
             Some examples of filters would be:
 
-            - "file_name = 'file_1'"
-            - "file_name = 'file_1' AND mime_type = 'text/plain'"
-            - "last_use_time > '2025-06-14T12:00:00Z'"
+            -  "file_name = 'file_1'"
+            -  "file_name = 'file_1' AND mime_type = 'text/plain'"
+            -  "last_use_time > '2025-06-14T12:00:00Z'"
 
             For a full description of the filter format, please see
             https://google.aip.dev/160.
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine.py
index 166338513ae6..bd13db876ae3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
@@ -102,6 +104,7 @@ class Type(proto.Enum):
             EXCLUDE (2):
                 Exclude the target site.
         """
+
         TYPE_UNSPECIFIED = 0
         INCLUDE = 1
         EXCLUDE = 2
@@ -129,6 +132,7 @@ class IndexingStatus(proto.Enum):
                 2. state reverts to SUCCEEDED if the unindexing
                     fails.
         """
+
         INDEXING_STATUS_UNSPECIFIED = 0
         PENDING = 1
         FAILED = 2
@@ -243,6 +247,7 @@ class SiteVerificationState(proto.Enum):
                 Site exempt from verification, e.g., a public
                 website that opens to all.
         """
+
         SITE_VERIFICATION_STATE_UNSPECIFIED = 0
         VERIFIED = 1
         UNVERIFIED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine_service.py
index a54f73fddbfc..1f666ce2fb97 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/site_search_engine_service.py
@@ -17,13 +17,14 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import (
     site_search_engine as gcd_site_search_engine,
 )
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -371,12 +372,12 @@ class ListTargetSitesResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
@@ -424,12 +425,12 @@ class BatchCreateTargetSitesResponse(proto.Message):
             TargetSites created.
     """
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
 
 
@@ -618,6 +619,7 @@ class CorpusType(proto.Enum):
                         Denotes a crawling attempt for the mobile
                         version of a page.
                 """
+
                 CORPUS_TYPE_UNSPECIFIED = 0
                 DESKTOP = 1
                 MOBILE = 2
@@ -837,12 +839,12 @@ class FetchDomainVerificationStatusResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event.py
index 8b04f0b4a5ba..d16138af7904 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import duration_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1alpha.types import common
+from google.protobuf import duration_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
@@ -49,26 +50,26 @@ class UserEvent(proto.Message):
 
             Generic values:
 
-            - ``search``: Search for Documents.
-            - ``view-item``: Detailed page view of a Document.
-            - ``view-item-list``: View of a panel or ordered list of
-              Documents.
-            - ``view-home-page``: View of the home page.
-            - ``view-category-page``: View of a category page, e.g. Home
-              > Men > Jeans
+            -  ``search``: Search for Documents.
+            -  ``view-item``: Detailed page view of a Document.
+            -  ``view-item-list``: View of a panel or ordered list of
+               Documents.
+            -  ``view-home-page``: View of the home page.
+            -  ``view-category-page``: View of a category page, e.g.
+               Home > Men > Jeans
 
             Retail-related values:
 
-            - ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
-              online shopping
-            - ``purchase``: Purchase an item(s)
+            -  ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
+               online shopping
+            -  ``purchase``: Purchase an item(s)
 
             Media-related values:
 
-            - ``media-play``: Start/resume watching a video, playing a
-              song, etc.
-            - ``media-complete``: Finished or stopped midway through a
-              video, song, etc.
+            -  ``media-play``: Start/resume watching a video, playing a
+               song, etc.
+            -  ``media-complete``: Finished or stopped midway through a
+               video, song, etc.
         user_pseudo_id (str):
             Required. A unique identifier for tracking visitors.
 
@@ -158,12 +159,12 @@ class UserEvent(proto.Message):
 
             The value must be one of:
 
-            - [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1alpha.RecommendResponse.attribution_token]
-              for events that are the result of
-              [RecommendationService.Recommend][google.cloud.discoveryengine.v1alpha.RecommendationService.Recommend].
-            - [SearchResponse.attribution_token][google.cloud.discoveryengine.v1alpha.SearchResponse.attribution_token]
-              for events that are the result of
-              [SearchService.Search][google.cloud.discoveryengine.v1alpha.SearchService.Search].
+            -  [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1alpha.RecommendResponse.attribution_token]
+               for events that are the result of
+               [RecommendationService.Recommend][google.cloud.discoveryengine.v1alpha.RecommendationService.Recommend].
+            -  [SearchResponse.attribution_token][google.cloud.discoveryengine.v1alpha.SearchResponse.attribution_token]
+               for events that are the result of
+               [SearchService.Search][google.cloud.discoveryengine.v1alpha.SearchService.Search].
 
             This token enables us to accurately attribute page view or
             conversion completion back to the event and the particular
@@ -203,11 +204,11 @@ class UserEvent(proto.Message):
 
             This field is optional except for the following event types:
 
-            - ``view-item``
-            - ``add-to-cart``
-            - ``purchase``
-            - ``media-play``
-            - ``media-complete``
+            -  ``view-item``
+            -  ``add-to-cart``
+            -  ``purchase``
+            -  ``media-play``
+            -  ``media-complete``
 
             In a ``search`` event, this field represents the documents
             returned to the end user on the current page (the end user
@@ -261,12 +262,12 @@ class UserEvent(proto.Message):
             This field needs to pass all below criteria, otherwise an
             ``INVALID_ARGUMENT`` error is returned:
 
-            - The key must be a UTF-8 encoded string with a length limit
-              of 5,000 characters.
-            - For text attributes, at most 400 values are allowed. Empty
-              values are not allowed. Each value must be a UTF-8 encoded
-              string with a length limit of 256 characters.
-            - For number attributes, at most 400 values are allowed.
+            -  The key must be a UTF-8 encoded string with a length
+               limit of 5,000 characters.
+            -  For text attributes, at most 400 values are allowed.
+               Empty values are not allowed. Each value must be a UTF-8
+               encoded string with a length limit of 256 characters.
+            -  For number attributes, at most 400 values are allowed.
 
             For product recommendations, an example of extra user
             information is ``traffic_channel``, which is how a user
@@ -562,12 +563,12 @@ class TransactionInfo(proto.Message):
             manufacturing costs, shipping expenses not borne by the end
             user, or any other costs, such that:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1alpha.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1alpha.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1alpha.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1alpha.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1alpha.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1alpha.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_cost``.
         discount_value (float):
@@ -589,12 +590,12 @@ class TransactionInfo(proto.Message):
             can be larger than
             [TransactionInfo.value][google.cloud.discoveryengine.v1alpha.TransactionInfo.value]:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1alpha.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1alpha.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1alpha.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1alpha.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1alpha.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1alpha.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_discount_value``.
     """
@@ -668,8 +669,8 @@ class DocumentInfo(proto.Message):
 
             Required for events of the following event types:
 
-            - ``add-to-cart``
-            - ``purchase``
+            -  ``add-to-cart``
+            -  ``purchase``
 
             This field is a member of `oneof`_ ``_quantity``.
         promotion_ids (MutableSequence[str]):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event_service.py
index 41c480fb642d..89306e6bf37c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1alpha/types/user_event_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1alpha.types import user_event as gcd_user_event
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1alpha",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/__init__.py
index da0657e641bd..fa49772fb781 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/__init__.py
@@ -18,326 +18,283 @@
 __version__ = package_version.__version__
 
 
-from .services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-)
-from .services.control_service import ControlServiceAsyncClient, ControlServiceClient
+from .services.completion_service import CompletionServiceClient
+from .services.completion_service import CompletionServiceAsyncClient
+from .services.control_service import ControlServiceClient
+from .services.control_service import ControlServiceAsyncClient
+from .services.conversational_search_service import ConversationalSearchServiceClient
 from .services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
-    ConversationalSearchServiceClient,
-)
-from .services.data_store_service import (
-    DataStoreServiceAsyncClient,
-    DataStoreServiceClient,
-)
-from .services.document_service import DocumentServiceAsyncClient, DocumentServiceClient
-from .services.engine_service import EngineServiceAsyncClient, EngineServiceClient
-from .services.evaluation_service import (
-    EvaluationServiceAsyncClient,
-    EvaluationServiceClient,
-)
-from .services.grounded_generation_service import (
-    GroundedGenerationServiceAsyncClient,
-    GroundedGenerationServiceClient,
-)
-from .services.project_service import ProjectServiceAsyncClient, ProjectServiceClient
-from .services.rank_service import RankServiceAsyncClient, RankServiceClient
-from .services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-)
-from .services.sample_query_service import (
-    SampleQueryServiceAsyncClient,
-    SampleQueryServiceClient,
-)
-from .services.sample_query_set_service import (
-    SampleQuerySetServiceAsyncClient,
-    SampleQuerySetServiceClient,
-)
-from .services.schema_service import SchemaServiceAsyncClient, SchemaServiceClient
-from .services.search_service import SearchServiceAsyncClient, SearchServiceClient
-from .services.search_tuning_service import (
-    SearchTuningServiceAsyncClient,
-    SearchTuningServiceClient,
-)
-from .services.serving_config_service import (
-    ServingConfigServiceAsyncClient,
-    ServingConfigServiceClient,
-)
-from .services.session_service import SessionServiceAsyncClient, SessionServiceClient
-from .services.site_search_engine_service import (
-    SiteSearchEngineServiceAsyncClient,
-    SiteSearchEngineServiceClient,
-)
-from .services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
 )
+from .services.data_store_service import DataStoreServiceClient
+from .services.data_store_service import DataStoreServiceAsyncClient
+from .services.document_service import DocumentServiceClient
+from .services.document_service import DocumentServiceAsyncClient
+from .services.engine_service import EngineServiceClient
+from .services.engine_service import EngineServiceAsyncClient
+from .services.evaluation_service import EvaluationServiceClient
+from .services.evaluation_service import EvaluationServiceAsyncClient
+from .services.grounded_generation_service import GroundedGenerationServiceClient
+from .services.grounded_generation_service import GroundedGenerationServiceAsyncClient
+from .services.project_service import ProjectServiceClient
+from .services.project_service import ProjectServiceAsyncClient
+from .services.rank_service import RankServiceClient
+from .services.rank_service import RankServiceAsyncClient
+from .services.recommendation_service import RecommendationServiceClient
+from .services.recommendation_service import RecommendationServiceAsyncClient
+from .services.sample_query_service import SampleQueryServiceClient
+from .services.sample_query_service import SampleQueryServiceAsyncClient
+from .services.sample_query_set_service import SampleQuerySetServiceClient
+from .services.sample_query_set_service import SampleQuerySetServiceAsyncClient
+from .services.schema_service import SchemaServiceClient
+from .services.schema_service import SchemaServiceAsyncClient
+from .services.search_service import SearchServiceClient
+from .services.search_service import SearchServiceAsyncClient
+from .services.search_tuning_service import SearchTuningServiceClient
+from .services.search_tuning_service import SearchTuningServiceAsyncClient
+from .services.serving_config_service import ServingConfigServiceClient
+from .services.serving_config_service import ServingConfigServiceAsyncClient
+from .services.session_service import SessionServiceClient
+from .services.session_service import SessionServiceAsyncClient
+from .services.site_search_engine_service import SiteSearchEngineServiceClient
+from .services.site_search_engine_service import SiteSearchEngineServiceAsyncClient
+from .services.user_event_service import UserEventServiceClient
+from .services.user_event_service import UserEventServiceAsyncClient
+
 from .types.answer import Answer
 from .types.chunk import Chunk
-from .types.common import (
-    CustomAttribute,
-    DoubleList,
-    EmbeddingConfig,
-    IndustryVertical,
-    Interval,
-    SearchAddOn,
-    SearchTier,
-    SearchUseCase,
-    SolutionType,
-    UserInfo,
-)
-from .types.completion import CompletionSuggestion, SuggestionDenyListEntry
-from .types.completion_service import (
-    AdvancedCompleteQueryRequest,
-    AdvancedCompleteQueryResponse,
-    CompleteQueryRequest,
-    CompleteQueryResponse,
-)
-from .types.control import Condition, Control
-from .types.control_service import (
-    CreateControlRequest,
-    DeleteControlRequest,
-    GetControlRequest,
-    ListControlsRequest,
-    ListControlsResponse,
-    UpdateControlRequest,
-)
-from .types.conversation import (
-    Conversation,
-    ConversationContext,
-    ConversationMessage,
-    Reply,
-    TextInput,
-)
-from .types.conversational_search_service import (
-    AnswerQueryRequest,
-    AnswerQueryResponse,
-    ConverseConversationRequest,
-    ConverseConversationResponse,
-    CreateConversationRequest,
-    CreateSessionRequest,
-    DeleteConversationRequest,
-    DeleteSessionRequest,
-    GetAnswerRequest,
-    GetConversationRequest,
-    GetSessionRequest,
-    ListConversationsRequest,
-    ListConversationsResponse,
-    ListSessionsRequest,
-    ListSessionsResponse,
-    UpdateConversationRequest,
-    UpdateSessionRequest,
-)
+from .types.common import CustomAttribute
+from .types.common import DoubleList
+from .types.common import EmbeddingConfig
+from .types.common import Interval
+from .types.common import UserInfo
+from .types.common import IndustryVertical
+from .types.common import SearchAddOn
+from .types.common import SearchTier
+from .types.common import SearchUseCase
+from .types.common import SolutionType
+from .types.completion import CompletionSuggestion
+from .types.completion import SuggestionDenyListEntry
+from .types.completion_service import AdvancedCompleteQueryRequest
+from .types.completion_service import AdvancedCompleteQueryResponse
+from .types.completion_service import CompleteQueryRequest
+from .types.completion_service import CompleteQueryResponse
+from .types.control import Condition
+from .types.control import Control
+from .types.control_service import CreateControlRequest
+from .types.control_service import DeleteControlRequest
+from .types.control_service import GetControlRequest
+from .types.control_service import ListControlsRequest
+from .types.control_service import ListControlsResponse
+from .types.control_service import UpdateControlRequest
+from .types.conversation import Conversation
+from .types.conversation import ConversationContext
+from .types.conversation import ConversationMessage
+from .types.conversation import Reply
+from .types.conversation import TextInput
+from .types.conversational_search_service import AnswerQueryRequest
+from .types.conversational_search_service import AnswerQueryResponse
+from .types.conversational_search_service import ConverseConversationRequest
+from .types.conversational_search_service import ConverseConversationResponse
+from .types.conversational_search_service import CreateConversationRequest
+from .types.conversational_search_service import CreateSessionRequest
+from .types.conversational_search_service import DeleteConversationRequest
+from .types.conversational_search_service import DeleteSessionRequest
+from .types.conversational_search_service import GetAnswerRequest
+from .types.conversational_search_service import GetConversationRequest
+from .types.conversational_search_service import GetSessionRequest
+from .types.conversational_search_service import ListConversationsRequest
+from .types.conversational_search_service import ListConversationsResponse
+from .types.conversational_search_service import ListSessionsRequest
+from .types.conversational_search_service import ListSessionsResponse
+from .types.conversational_search_service import UpdateConversationRequest
+from .types.conversational_search_service import UpdateSessionRequest
 from .types.custom_tuning_model import CustomTuningModel
-from .types.data_store import (
-    DataStore,
-    LanguageInfo,
-    NaturalLanguageQueryUnderstandingConfig,
-    WorkspaceConfig,
-)
-from .types.data_store_service import (
-    CreateDataStoreMetadata,
-    CreateDataStoreRequest,
-    DeleteDataStoreMetadata,
-    DeleteDataStoreRequest,
-    GetDataStoreRequest,
-    ListDataStoresRequest,
-    ListDataStoresResponse,
-    UpdateDataStoreRequest,
-)
+from .types.data_store import DataStore
+from .types.data_store import LanguageInfo
+from .types.data_store import NaturalLanguageQueryUnderstandingConfig
+from .types.data_store import WorkspaceConfig
+from .types.data_store_service import CreateDataStoreMetadata
+from .types.data_store_service import CreateDataStoreRequest
+from .types.data_store_service import DeleteDataStoreMetadata
+from .types.data_store_service import DeleteDataStoreRequest
+from .types.data_store_service import GetDataStoreRequest
+from .types.data_store_service import ListDataStoresRequest
+from .types.data_store_service import ListDataStoresResponse
+from .types.data_store_service import UpdateDataStoreRequest
 from .types.document import Document
 from .types.document_processing_config import DocumentProcessingConfig
-from .types.document_service import (
-    BatchGetDocumentsMetadataRequest,
-    BatchGetDocumentsMetadataResponse,
-    CreateDocumentRequest,
-    DeleteDocumentRequest,
-    GetDocumentRequest,
-    ListDocumentsRequest,
-    ListDocumentsResponse,
-    UpdateDocumentRequest,
-)
+from .types.document_service import BatchGetDocumentsMetadataRequest
+from .types.document_service import BatchGetDocumentsMetadataResponse
+from .types.document_service import CreateDocumentRequest
+from .types.document_service import DeleteDocumentRequest
+from .types.document_service import GetDocumentRequest
+from .types.document_service import ListDocumentsRequest
+from .types.document_service import ListDocumentsResponse
+from .types.document_service import UpdateDocumentRequest
 from .types.engine import Engine
-from .types.engine_service import (
-    CreateEngineMetadata,
-    CreateEngineRequest,
-    DeleteEngineMetadata,
-    DeleteEngineRequest,
-    GetEngineRequest,
-    ListEnginesRequest,
-    ListEnginesResponse,
-    PauseEngineRequest,
-    ResumeEngineRequest,
-    TuneEngineMetadata,
-    TuneEngineRequest,
-    TuneEngineResponse,
-    UpdateEngineRequest,
-)
-from .types.evaluation import Evaluation, QualityMetrics
-from .types.evaluation_service import (
-    CreateEvaluationMetadata,
-    CreateEvaluationRequest,
-    GetEvaluationRequest,
-    ListEvaluationResultsRequest,
-    ListEvaluationResultsResponse,
-    ListEvaluationsRequest,
-    ListEvaluationsResponse,
-)
-from .types.grounded_generation_service import (
-    CheckGroundingRequest,
-    CheckGroundingResponse,
-    CheckGroundingSpec,
-    GenerateGroundedContentRequest,
-    GenerateGroundedContentResponse,
-    GroundedGenerationContent,
-)
-from .types.grounding import FactChunk, GroundingConfig, GroundingFact
-from .types.import_config import (
-    AlloyDbSource,
-    BigQuerySource,
-    BigtableOptions,
-    BigtableSource,
-    CloudSqlSource,
-    FhirStoreSource,
-    FirestoreSource,
-    GcsSource,
-    ImportCompletionSuggestionsMetadata,
-    ImportCompletionSuggestionsRequest,
-    ImportCompletionSuggestionsResponse,
-    ImportDocumentsMetadata,
-    ImportDocumentsRequest,
-    ImportDocumentsResponse,
-    ImportErrorConfig,
-    ImportSampleQueriesMetadata,
-    ImportSampleQueriesRequest,
-    ImportSampleQueriesResponse,
-    ImportSuggestionDenyListEntriesMetadata,
-    ImportSuggestionDenyListEntriesRequest,
-    ImportSuggestionDenyListEntriesResponse,
-    ImportUserEventsMetadata,
-    ImportUserEventsRequest,
-    ImportUserEventsResponse,
-    SpannerSource,
-)
+from .types.engine_service import CreateEngineMetadata
+from .types.engine_service import CreateEngineRequest
+from .types.engine_service import DeleteEngineMetadata
+from .types.engine_service import DeleteEngineRequest
+from .types.engine_service import GetEngineRequest
+from .types.engine_service import ListEnginesRequest
+from .types.engine_service import ListEnginesResponse
+from .types.engine_service import PauseEngineRequest
+from .types.engine_service import ResumeEngineRequest
+from .types.engine_service import TuneEngineMetadata
+from .types.engine_service import TuneEngineRequest
+from .types.engine_service import TuneEngineResponse
+from .types.engine_service import UpdateEngineRequest
+from .types.evaluation import Evaluation
+from .types.evaluation import QualityMetrics
+from .types.evaluation_service import CreateEvaluationMetadata
+from .types.evaluation_service import CreateEvaluationRequest
+from .types.evaluation_service import GetEvaluationRequest
+from .types.evaluation_service import ListEvaluationResultsRequest
+from .types.evaluation_service import ListEvaluationResultsResponse
+from .types.evaluation_service import ListEvaluationsRequest
+from .types.evaluation_service import ListEvaluationsResponse
+from .types.grounded_generation_service import CheckGroundingRequest
+from .types.grounded_generation_service import CheckGroundingResponse
+from .types.grounded_generation_service import CheckGroundingSpec
+from .types.grounded_generation_service import GenerateGroundedContentRequest
+from .types.grounded_generation_service import GenerateGroundedContentResponse
+from .types.grounded_generation_service import GroundedGenerationContent
+from .types.grounding import FactChunk
+from .types.grounding import GroundingConfig
+from .types.grounding import GroundingFact
+from .types.import_config import AlloyDbSource
+from .types.import_config import BigQuerySource
+from .types.import_config import BigtableOptions
+from .types.import_config import BigtableSource
+from .types.import_config import CloudSqlSource
+from .types.import_config import FhirStoreSource
+from .types.import_config import FirestoreSource
+from .types.import_config import GcsSource
+from .types.import_config import ImportCompletionSuggestionsMetadata
+from .types.import_config import ImportCompletionSuggestionsRequest
+from .types.import_config import ImportCompletionSuggestionsResponse
+from .types.import_config import ImportDocumentsMetadata
+from .types.import_config import ImportDocumentsRequest
+from .types.import_config import ImportDocumentsResponse
+from .types.import_config import ImportErrorConfig
+from .types.import_config import ImportSampleQueriesMetadata
+from .types.import_config import ImportSampleQueriesRequest
+from .types.import_config import ImportSampleQueriesResponse
+from .types.import_config import ImportSuggestionDenyListEntriesMetadata
+from .types.import_config import ImportSuggestionDenyListEntriesRequest
+from .types.import_config import ImportSuggestionDenyListEntriesResponse
+from .types.import_config import ImportUserEventsMetadata
+from .types.import_config import ImportUserEventsRequest
+from .types.import_config import ImportUserEventsResponse
+from .types.import_config import SpannerSource
 from .types.project import Project
-from .types.project_service import ProvisionProjectMetadata, ProvisionProjectRequest
-from .types.purge_config import (
-    PurgeCompletionSuggestionsMetadata,
-    PurgeCompletionSuggestionsRequest,
-    PurgeCompletionSuggestionsResponse,
-    PurgeDocumentsMetadata,
-    PurgeDocumentsRequest,
-    PurgeDocumentsResponse,
-    PurgeErrorConfig,
-    PurgeSuggestionDenyListEntriesMetadata,
-    PurgeSuggestionDenyListEntriesRequest,
-    PurgeSuggestionDenyListEntriesResponse,
-    PurgeUserEventsMetadata,
-    PurgeUserEventsRequest,
-    PurgeUserEventsResponse,
-)
-from .types.rank_service import RankingRecord, RankRequest, RankResponse
-from .types.recommendation_service import RecommendRequest, RecommendResponse
+from .types.project_service import ProvisionProjectMetadata
+from .types.project_service import ProvisionProjectRequest
+from .types.purge_config import PurgeCompletionSuggestionsMetadata
+from .types.purge_config import PurgeCompletionSuggestionsRequest
+from .types.purge_config import PurgeCompletionSuggestionsResponse
+from .types.purge_config import PurgeDocumentsMetadata
+from .types.purge_config import PurgeDocumentsRequest
+from .types.purge_config import PurgeDocumentsResponse
+from .types.purge_config import PurgeErrorConfig
+from .types.purge_config import PurgeSuggestionDenyListEntriesMetadata
+from .types.purge_config import PurgeSuggestionDenyListEntriesRequest
+from .types.purge_config import PurgeSuggestionDenyListEntriesResponse
+from .types.purge_config import PurgeUserEventsMetadata
+from .types.purge_config import PurgeUserEventsRequest
+from .types.purge_config import PurgeUserEventsResponse
+from .types.rank_service import RankingRecord
+from .types.rank_service import RankRequest
+from .types.rank_service import RankResponse
+from .types.recommendation_service import RecommendRequest
+from .types.recommendation_service import RecommendResponse
 from .types.sample_query import SampleQuery
-from .types.sample_query_service import (
-    CreateSampleQueryRequest,
-    DeleteSampleQueryRequest,
-    GetSampleQueryRequest,
-    ListSampleQueriesRequest,
-    ListSampleQueriesResponse,
-    UpdateSampleQueryRequest,
-)
+from .types.sample_query_service import CreateSampleQueryRequest
+from .types.sample_query_service import DeleteSampleQueryRequest
+from .types.sample_query_service import GetSampleQueryRequest
+from .types.sample_query_service import ListSampleQueriesRequest
+from .types.sample_query_service import ListSampleQueriesResponse
+from .types.sample_query_service import UpdateSampleQueryRequest
 from .types.sample_query_set import SampleQuerySet
-from .types.sample_query_set_service import (
-    CreateSampleQuerySetRequest,
-    DeleteSampleQuerySetRequest,
-    GetSampleQuerySetRequest,
-    ListSampleQuerySetsRequest,
-    ListSampleQuerySetsResponse,
-    UpdateSampleQuerySetRequest,
-)
+from .types.sample_query_set_service import CreateSampleQuerySetRequest
+from .types.sample_query_set_service import DeleteSampleQuerySetRequest
+from .types.sample_query_set_service import GetSampleQuerySetRequest
+from .types.sample_query_set_service import ListSampleQuerySetsRequest
+from .types.sample_query_set_service import ListSampleQuerySetsResponse
+from .types.sample_query_set_service import UpdateSampleQuerySetRequest
 from .types.schema import Schema
-from .types.schema_service import (
-    CreateSchemaMetadata,
-    CreateSchemaRequest,
-    DeleteSchemaMetadata,
-    DeleteSchemaRequest,
-    GetSchemaRequest,
-    ListSchemasRequest,
-    ListSchemasResponse,
-    UpdateSchemaMetadata,
-    UpdateSchemaRequest,
-)
-from .types.search_service import SearchRequest, SearchResponse
-from .types.search_tuning_service import (
-    ListCustomModelsRequest,
-    ListCustomModelsResponse,
-    TrainCustomModelMetadata,
-    TrainCustomModelRequest,
-    TrainCustomModelResponse,
-)
+from .types.schema_service import CreateSchemaMetadata
+from .types.schema_service import CreateSchemaRequest
+from .types.schema_service import DeleteSchemaMetadata
+from .types.schema_service import DeleteSchemaRequest
+from .types.schema_service import GetSchemaRequest
+from .types.schema_service import ListSchemasRequest
+from .types.schema_service import ListSchemasResponse
+from .types.schema_service import UpdateSchemaMetadata
+from .types.schema_service import UpdateSchemaRequest
+from .types.search_service import SearchRequest
+from .types.search_service import SearchResponse
+from .types.search_tuning_service import ListCustomModelsRequest
+from .types.search_tuning_service import ListCustomModelsResponse
+from .types.search_tuning_service import TrainCustomModelMetadata
+from .types.search_tuning_service import TrainCustomModelRequest
+from .types.search_tuning_service import TrainCustomModelResponse
 from .types.serving_config import ServingConfig
-from .types.serving_config_service import (
-    GetServingConfigRequest,
-    ListServingConfigsRequest,
-    ListServingConfigsResponse,
-    UpdateServingConfigRequest,
-)
-from .types.session import Query, Session
-from .types.site_search_engine import (
-    Sitemap,
-    SiteSearchEngine,
-    SiteVerificationInfo,
-    TargetSite,
-)
-from .types.site_search_engine_service import (
-    BatchCreateTargetSiteMetadata,
-    BatchCreateTargetSitesRequest,
-    BatchCreateTargetSitesResponse,
-    BatchVerifyTargetSitesMetadata,
-    BatchVerifyTargetSitesRequest,
-    BatchVerifyTargetSitesResponse,
-    CreateSitemapMetadata,
-    CreateSitemapRequest,
-    CreateTargetSiteMetadata,
-    CreateTargetSiteRequest,
-    DeleteSitemapMetadata,
-    DeleteSitemapRequest,
-    DeleteTargetSiteMetadata,
-    DeleteTargetSiteRequest,
-    DisableAdvancedSiteSearchMetadata,
-    DisableAdvancedSiteSearchRequest,
-    DisableAdvancedSiteSearchResponse,
-    EnableAdvancedSiteSearchMetadata,
-    EnableAdvancedSiteSearchRequest,
-    EnableAdvancedSiteSearchResponse,
-    FetchDomainVerificationStatusRequest,
-    FetchDomainVerificationStatusResponse,
-    FetchSitemapsRequest,
-    FetchSitemapsResponse,
-    GetSiteSearchEngineRequest,
-    GetTargetSiteRequest,
-    ListTargetSitesRequest,
-    ListTargetSitesResponse,
-    RecrawlUrisMetadata,
-    RecrawlUrisRequest,
-    RecrawlUrisResponse,
-    UpdateTargetSiteMetadata,
-    UpdateTargetSiteRequest,
-)
-from .types.user_event import (
-    CompletionInfo,
-    DocumentInfo,
-    MediaInfo,
-    PageInfo,
-    PanelInfo,
-    SearchInfo,
-    TransactionInfo,
-    UserEvent,
-)
-from .types.user_event_service import CollectUserEventRequest, WriteUserEventRequest
+from .types.serving_config_service import GetServingConfigRequest
+from .types.serving_config_service import ListServingConfigsRequest
+from .types.serving_config_service import ListServingConfigsResponse
+from .types.serving_config_service import UpdateServingConfigRequest
+from .types.session import Query
+from .types.session import Session
+from .types.site_search_engine import Sitemap
+from .types.site_search_engine import SiteSearchEngine
+from .types.site_search_engine import SiteVerificationInfo
+from .types.site_search_engine import TargetSite
+from .types.site_search_engine_service import BatchCreateTargetSiteMetadata
+from .types.site_search_engine_service import BatchCreateTargetSitesRequest
+from .types.site_search_engine_service import BatchCreateTargetSitesResponse
+from .types.site_search_engine_service import BatchVerifyTargetSitesMetadata
+from .types.site_search_engine_service import BatchVerifyTargetSitesRequest
+from .types.site_search_engine_service import BatchVerifyTargetSitesResponse
+from .types.site_search_engine_service import CreateSitemapMetadata
+from .types.site_search_engine_service import CreateSitemapRequest
+from .types.site_search_engine_service import CreateTargetSiteMetadata
+from .types.site_search_engine_service import CreateTargetSiteRequest
+from .types.site_search_engine_service import DeleteSitemapMetadata
+from .types.site_search_engine_service import DeleteSitemapRequest
+from .types.site_search_engine_service import DeleteTargetSiteMetadata
+from .types.site_search_engine_service import DeleteTargetSiteRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import DisableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import DisableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import EnableAdvancedSiteSearchMetadata
+from .types.site_search_engine_service import EnableAdvancedSiteSearchRequest
+from .types.site_search_engine_service import EnableAdvancedSiteSearchResponse
+from .types.site_search_engine_service import FetchDomainVerificationStatusRequest
+from .types.site_search_engine_service import FetchDomainVerificationStatusResponse
+from .types.site_search_engine_service import FetchSitemapsRequest
+from .types.site_search_engine_service import FetchSitemapsResponse
+from .types.site_search_engine_service import GetSiteSearchEngineRequest
+from .types.site_search_engine_service import GetTargetSiteRequest
+from .types.site_search_engine_service import ListTargetSitesRequest
+from .types.site_search_engine_service import ListTargetSitesResponse
+from .types.site_search_engine_service import RecrawlUrisMetadata
+from .types.site_search_engine_service import RecrawlUrisRequest
+from .types.site_search_engine_service import RecrawlUrisResponse
+from .types.site_search_engine_service import UpdateTargetSiteMetadata
+from .types.site_search_engine_service import UpdateTargetSiteRequest
+from .types.user_event import CompletionInfo
+from .types.user_event import DocumentInfo
+from .types.user_event import MediaInfo
+from .types.user_event import PageInfo
+from .types.user_event import PanelInfo
+from .types.user_event import SearchInfo
+from .types.user_event import TransactionInfo
+from .types.user_event import UserEvent
+from .types.user_event_service import CollectUserEventRequest
+from .types.user_event_service import WriteUserEventRequest
 
 __all__ = (
     "CompletionServiceAsyncClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/gapic_version.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/gapic_version.py
index 6b356a66811e..fd79d4e761b7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/gapic_version.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.15.0"  # {x-release-please-version}
+__version__ = "0.4.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/__init__.py
index 58eb7a9f0042..480b61be40da 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import CompletionServiceAsyncClient
 from .client import CompletionServiceClient
+from .async_client import CompletionServiceAsyncClient
 
 __all__ = (
     "CompletionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/async_client.py
index 696b788ee215..6938dced37b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,18 +47,14 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .client import CompletionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
+from .client import CompletionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -129,7 +126,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_info.__func__(CompletionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_info.__func__(
+            CompletionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -145,7 +144,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             CompletionServiceAsyncClient: The constructed client.
         """
-        return CompletionServiceClient.from_service_account_file.__func__(CompletionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return CompletionServiceClient.from_service_account_file.__func__(
+            CompletionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/client.py
index a586e8d99e41..37a908b48809 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,16 +63,12 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from .transports.base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import CompletionServiceGrpcTransport
 from .transports.grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
 from .transports.rest import CompletionServiceRestTransport
@@ -86,9 +82,7 @@ class CompletionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[CompletionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
     _transport_registry["grpc"] = CompletionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = CompletionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = CompletionServiceRestTransport
@@ -662,11 +656,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = CompletionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            CompletionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = CompletionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -701,8 +693,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(CompletionServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/__init__.py
index 20f1ed5f3637..7177c73e997f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import CompletionServiceTransport
 from .grpc import CompletionServiceGrpcTransport
 from .grpc_asyncio import CompletionServiceGrpcAsyncIOTransport
-from .rest import CompletionServiceRestInterceptor, CompletionServiceRestTransport
+from .rest import CompletionServiceRestTransport
+from .rest import CompletionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[CompletionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/base.py
index 35762aa97803..1fdbec313e2e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/base.py
@@ -16,23 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -284,7 +284,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc.py
index 6ba36c174ca5..7edeb2be5b30 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc.py
@@ -16,27 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -428,12 +428,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -461,12 +461,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -493,12 +493,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -525,12 +525,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc_asyncio.py
index 026a65da5aa3..eb0e18bb812d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/grpc_asyncio.py
@@ -15,31 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
-
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import CompletionServiceGrpcTransport
 
 try:
@@ -437,12 +437,12 @@ def import_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "import_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/ImportSuggestionDenyListEntries",
-                request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/ImportSuggestionDenyListEntries",
+                    request_serializer=import_config.ImportSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_suggestion_deny_list_entries"]
 
@@ -471,12 +471,12 @@ def purge_suggestion_deny_list_entries(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_suggestion_deny_list_entries" not in self._stubs:
-            self._stubs[
-                "purge_suggestion_deny_list_entries"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeSuggestionDenyListEntries",
-                request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_suggestion_deny_list_entries"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeSuggestionDenyListEntries",
+                    request_serializer=purge_config.PurgeSuggestionDenyListEntriesRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_suggestion_deny_list_entries"]
 
@@ -504,12 +504,12 @@ def import_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "import_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "import_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/ImportCompletionSuggestions",
-                request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["import_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/ImportCompletionSuggestions",
+                    request_serializer=import_config.ImportCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["import_completion_suggestions"]
 
@@ -537,12 +537,12 @@ def purge_completion_suggestions(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "purge_completion_suggestions" not in self._stubs:
-            self._stubs[
-                "purge_completion_suggestions"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeCompletionSuggestions",
-                request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["purge_completion_suggestions"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.CompletionService/PurgeCompletionSuggestions",
+                    request_serializer=purge_config.PurgeCompletionSuggestionsRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["purge_completion_suggestions"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest.py
index 595318f8a1df..27068752fa95 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest.py
@@ -13,31 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseCompletionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -818,9 +823,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseAdvancedCompleteQuery._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseAdvancedCompleteQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_advanced_complete_query(
                 request, metadata
@@ -981,9 +984,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_complete_query(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseCompleteQuery._get_transcoded_request(
@@ -1135,9 +1136,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_import_completion_suggestions(
                 request, metadata
@@ -1204,11 +1203,10 @@ def __call__(
 
             resp = self._interceptor.post_import_completion_suggestions(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_completion_suggestions_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_completion_suggestions_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1297,15 +1295,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_import_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_import_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BaseImportSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1369,11 +1364,10 @@ def __call__(
 
             resp = self._interceptor.post_import_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_import_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1460,9 +1454,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeCompletionSuggestions._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_completion_suggestions(
                 request, metadata
@@ -1617,15 +1609,12 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_http_options()
 
-            (
-                request,
-                metadata,
-            ) = self._interceptor.pre_purge_suggestion_deny_list_entries(
-                request, metadata
+            request, metadata = (
+                self._interceptor.pre_purge_suggestion_deny_list_entries(
+                    request, metadata
+                )
             )
             transcoded_request = _BaseCompletionServiceRestTransport._BasePurgeSuggestionDenyListEntries._get_transcoded_request(
                 http_options, request
@@ -1689,11 +1678,10 @@ def __call__(
 
             resp = self._interceptor.post_purge_suggestion_deny_list_entries(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_purge_suggestion_deny_list_entries_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -1748,7 +1736,9 @@ def import_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def import_suggestion_deny_list_entries(
@@ -1758,7 +1748,9 @@ def import_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._ImportSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._ImportSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_completion_suggestions(
@@ -1768,7 +1760,9 @@ def purge_completion_suggestions(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeCompletionSuggestions(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeCompletionSuggestions(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def purge_suggestion_deny_list_entries(
@@ -1778,7 +1772,9 @@ def purge_suggestion_deny_list_entries(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._PurgeSuggestionDenyListEntries(self._session, self._host, self._interceptor)  # type: ignore
+        return self._PurgeSuggestionDenyListEntries(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -1836,9 +1832,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1958,9 +1952,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -2099,9 +2091,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseCompletionServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseCompletionServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest_base.py
index 91542092377e..68b3fe6f8d41 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/completion_service/transports/rest_base.py
@@ -14,21 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import CompletionServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1beta.types import (
-    completion_service,
-    import_config,
-    purge_config,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, CompletionServiceTransport
+
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseCompletionServiceRestTransport(CompletionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/__init__.py
index d5bd8f14f952..b0aec3b84b78 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ControlServiceAsyncClient
 from .client import ControlServiceClient
+from .async_client import ControlServiceAsyncClient
 
 __all__ = (
     "ControlServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/async_client.py
index 3888df9f0ba6..96cf45148cf9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,34 +29,33 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.control_service import pagers
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
-
-from .client import ControlServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
+from .client import ControlServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -126,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_info.__func__(ControlServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_info.__func__(
+            ControlServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -142,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ControlServiceAsyncClient: The constructed client.
         """
-        return ControlServiceClient.from_service_account_file.__func__(ControlServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ControlServiceClient.from_service_account_file.__func__(
+            ControlServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -617,8 +620,8 @@ async def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1beta.Control]
                 to update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/client.py
index da915517635c..d971621f398f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,17 +61,15 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.control_service import pagers
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from .transports.base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ControlServiceGrpcTransport
 from .transports.grpc_asyncio import ControlServiceGrpcAsyncIOTransport
 from .transports.rest import ControlServiceRestTransport
@@ -85,9 +83,7 @@ class ControlServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ControlServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
     _transport_registry["grpc"] = ControlServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ControlServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ControlServiceRestTransport
@@ -637,11 +633,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ControlServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ControlServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ControlServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -676,8 +670,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ControlServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1056,8 +1049,8 @@ def sample_update_control():
                 [Control][google.cloud.discoveryengine.v1beta.Control]
                 to update. The following are NOT supported:
 
-                - [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
-                - [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
+                -  [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
+                -  [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/pagers.py
index a1486ca1e14b..21c5cb6c09ec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import control, control_service
+from google.cloud.discoveryengine_v1beta.types import control
+from google.cloud.discoveryengine_v1beta.types import control_service
 
 
 class ListControlsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/__init__.py
index 3e0b9c56088b..4c3c6cfd5dbb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ControlServiceTransport
 from .grpc import ControlServiceGrpcTransport
 from .grpc_asyncio import ControlServiceGrpcAsyncIOTransport
-from .rest import ControlServiceRestInterceptor, ControlServiceRestTransport
+from .rest import ControlServiceRestTransport
+from .rest import ControlServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ControlServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/base.py
index ba414265cc34..2f68c0cb686f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/base.py
@@ -16,22 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +262,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc.py
index 565c95b76904..9bc20ca54ab2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc.py
@@ -16,26 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc_asyncio.py
index 3c7f3db9fd36..fceab5d39d66 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/grpc_asyncio.py
@@ -15,30 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ControlServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest.py
index 0a6dac3c2688..fd9b0d34c047 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest.py
@@ -13,30 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseControlServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1295,9 +1301,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseControlServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest_base.py
index 565632c5892a..13314ef4fb39 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/control_service/transports/rest_base.py
@@ -14,20 +14,22 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ControlServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
-
-from .base import DEFAULT_CLIENT_INFO, ControlServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseControlServiceRestTransport(ControlServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/__init__.py
index 733efd06389f..504962bdc81a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ConversationalSearchServiceAsyncClient
 from .client import ConversationalSearchServiceClient
+from .async_client import ConversationalSearchServiceAsyncClient
 
 __all__ = (
     "ConversationalSearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/async_client.py
index 8cb819a55752..3e4790cd336d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,42 +29,39 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    conversational_search_service,
-    search_service,
-)
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .client import ConversationalSearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
+from .client import ConversationalSearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -164,7 +161,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_info.__func__(ConversationalSearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_info.__func__(
+            ConversationalSearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -180,7 +179,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ConversationalSearchServiceAsyncClient: The constructed client.
         """
-        return ConversationalSearchServiceClient.from_service_account_file.__func__(ConversationalSearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ConversationalSearchServiceClient.from_service_account_file.__func__(
+            ConversationalSearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -218,7 +219,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ConversationalSearchServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ConversationalSearchServiceTransport:
@@ -767,7 +770,7 @@ async def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1beta.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -1578,7 +1581,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1beta.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/client.py
index 91e14d343429..104c72a67628 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,25 +61,21 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
     pagers,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    conversational_search_service,
-    search_service,
-)
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .transports.base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ConversationalSearchServiceGrpcTransport
 from .transports.grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
 from .transports.rest import ConversationalSearchServiceRestTransport
@@ -93,13 +89,11 @@ class ConversationalSearchServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
     _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
-    _transport_registry[
-        "grpc_asyncio"
-    ] = ConversationalSearchServiceGrpcAsyncIOTransport
+    _transport_registry["grpc_asyncio"] = (
+        ConversationalSearchServiceGrpcAsyncIOTransport
+    )
     _transport_registry["rest"] = ConversationalSearchServiceRestTransport
 
     def get_transport_class(
@@ -779,11 +773,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ConversationalSearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ConversationalSearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             ConversationalSearchServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -820,8 +812,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ConversationalSearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1308,7 +1299,7 @@ def sample_update_conversation():
                 [Conversation][google.cloud.discoveryengine.v1beta.Conversation]
                 to update. The following are NOT supported:
 
-                - [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
+                -  [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
 
                 If not set or empty, all supported fields are updated.
 
@@ -2099,7 +2090,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1beta.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/pagers.py
index a49e184bfdeb..7ad460e919cb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,11 +37,9 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    conversation,
-    conversational_search_service,
-    session,
-)
+from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import session
 
 
 class ListConversationsPager:
@@ -71,7 +68,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -151,7 +148,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -233,7 +230,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -311,7 +308,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/__init__.py
index 855e35aad0c0..88c3053fe65f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import ConversationalSearchServiceTransport
 from .grpc import ConversationalSearchServiceGrpcTransport
 from .grpc_asyncio import ConversationalSearchServiceGrpcAsyncIOTransport
-from .rest import (
-    ConversationalSearchServiceRestInterceptor,
-    ConversationalSearchServiceRestTransport,
-)
+from .rest import ConversationalSearchServiceRestTransport
+from .rest import ConversationalSearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ConversationalSearchServiceTransport]]
 _transport_registry["grpc"] = ConversationalSearchServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ConversationalSearchServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ConversationalSearchServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/base.py
index 6934e2a7a1dc..90b068e9a60c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/base.py
@@ -16,25 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -385,7 +386,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc.py
index 131a37cfd5bd..3db7acb62ec1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc.py
@@ -16,29 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc_asyncio.py
index 45e9effbe00b..41e7ae480ded 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/grpc_asyncio.py
@@ -15,33 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ConversationalSearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest.py
index 2087c6d7b598..13e6ff8ec577 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest.py
@@ -13,33 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseConversationalSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -977,9 +983,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_answer_query(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseAnswerQuery._get_transcoded_request(
@@ -1139,9 +1143,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseConverseConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_converse_conversation(
                 request, metadata
@@ -1299,9 +1301,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_create_conversation(
                 request, metadata
@@ -1452,9 +1452,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_create_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseCreateSession._get_transcoded_request(
@@ -1601,9 +1599,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_conversation(
                 request, metadata
@@ -1710,9 +1706,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseDeleteSession._get_transcoded_request(
@@ -1823,9 +1817,7 @@ def __call__(
                     Defines an answer.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_http_options()
 
             request, metadata = self._interceptor.pre_get_answer(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetAnswer._get_transcoded_request(
@@ -1972,9 +1964,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_conversation(
                 request, metadata
@@ -2121,9 +2111,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_http_options()
 
             request, metadata = self._interceptor.pre_get_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetSession._get_transcoded_request(
@@ -2270,9 +2258,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListConversations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_conversations(
                 request, metadata
@@ -2421,9 +2407,7 @@ def __call__(
                     Response for ListSessions method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sessions(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListSessions._get_transcoded_request(
@@ -2576,9 +2560,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateConversation._get_http_options()
 
             request, metadata = self._interceptor.pre_update_conversation(
                 request, metadata
@@ -2729,9 +2711,7 @@ def __call__(
                     External session proto definition.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_http_options()
 
             request, metadata = self._interceptor.pre_update_session(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseUpdateSession._get_transcoded_request(
@@ -3015,9 +2995,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3140,9 +3118,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -3283,9 +3259,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseConversationalSearchServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest_base.py
index 86349a8bf62d..e1ed5c4999b4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/conversational_search_service/transports/rest_base.py
@@ -14,23 +14,25 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ConversationalSearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, ConversationalSearchServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseConversationalSearchServiceRestTransport(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/__init__.py
index aaea8b56ac8a..b8c5d59ab4e4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DataStoreServiceAsyncClient
 from .client import DataStoreServiceClient
+from .async_client import DataStoreServiceAsyncClient
 
 __all__ = (
     "DataStoreServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/async_client.py
index 07a111abc18e..82285f7fed67 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,25 +47,21 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1beta.types import data_store_service
+from google.cloud.discoveryengine_v1beta.types import document_processing_config
+from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.data_store_service import pagers
-from google.cloud.discoveryengine_v1beta.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
-from google.cloud.discoveryengine_v1beta.types import common
-from google.cloud.discoveryengine_v1beta.types import data_store
-
-from .client import DataStoreServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
+from .client import DataStoreServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -141,7 +138,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_info.__func__(DataStoreServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_info.__func__(
+            DataStoreServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -157,7 +156,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DataStoreServiceAsyncClient: The constructed client.
         """
-        return DataStoreServiceClient.from_service_account_file.__func__(DataStoreServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DataStoreServiceClient.from_service_account_file.__func__(
+            DataStoreServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/client.py
index 6af99614c6d8..9f0dda4be6a0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,23 +63,19 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1beta.types import data_store_service
+from google.cloud.discoveryengine_v1beta.types import document_processing_config
+from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.data_store_service import pagers
-from google.cloud.discoveryengine_v1beta.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
-from google.cloud.discoveryengine_v1beta.types import common
-from google.cloud.discoveryengine_v1beta.types import data_store
-
-from .transports.base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from .transports.base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DataStoreServiceGrpcTransport
 from .transports.grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
 from .transports.rest import DataStoreServiceRestTransport
@@ -93,9 +89,7 @@ class DataStoreServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DataStoreServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
     _transport_registry["grpc"] = DataStoreServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DataStoreServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DataStoreServiceRestTransport
@@ -692,11 +686,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DataStoreServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DataStoreServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DataStoreServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -731,8 +723,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DataStoreServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/pagers.py
index d0f8b59dd333..8e306d85968a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import data_store, data_store_service
+from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store_service
 
 
 class ListDataStoresPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/__init__.py
index 70a5571eccbe..9230588b12ff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DataStoreServiceTransport
 from .grpc import DataStoreServiceGrpcTransport
 from .grpc_asyncio import DataStoreServiceGrpcAsyncIOTransport
-from .rest import DataStoreServiceRestInterceptor, DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestTransport
+from .rest import DataStoreServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DataStoreServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/base.py
index 16d1f574b1a1..f277a41c145c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -265,7 +267,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc.py
index 34171a829227..d18c34e12d35 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc_asyncio.py
index 0230fe0f5c31..6dd9d74edaf8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DataStoreServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest.py
index 4801b5d48cac..6943ba2701f0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDataStoreServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -758,9 +765,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCreateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_create_data_store(
                 request, metadata
@@ -913,9 +918,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseDeleteDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_data_store(
                 request, metadata
@@ -1210,9 +1213,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListDataStores._get_http_options()
 
             request, metadata = self._interceptor.pre_list_data_stores(
                 request, metadata
@@ -1364,9 +1365,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseUpdateDataStore._get_http_options()
 
             request, metadata = self._interceptor.pre_update_data_store(
                 request, metadata
@@ -1566,9 +1565,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1828,9 +1825,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDataStoreServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDataStoreServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest_base.py
index caabb77ccfcb..f157367249d3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/data_store_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DataStoreServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
 from google.cloud.discoveryengine_v1beta.types import data_store_service
-
-from .base import DEFAULT_CLIENT_INFO, DataStoreServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDataStoreServiceRestTransport(DataStoreServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/__init__.py
index 0bd096115c9e..4d6f3ee464d0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import DocumentServiceAsyncClient
 from .client import DocumentServiceClient
+from .async_client import DocumentServiceAsyncClient
 
 __all__ = (
     "DocumentServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/async_client.py
index fe146fc67c62..fa665d9f0d54 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,24 +47,20 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.document_service import pagers
+from google.cloud.discoveryengine_v1beta.types import document
+from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.document_service import pagers
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1beta.types import document
-from google.cloud.discoveryengine_v1beta.types import document as gcd_document
-
-from .client import DocumentServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
+from .client import DocumentServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -138,7 +135,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_info.__func__(DocumentServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_info.__func__(
+            DocumentServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -154,7 +153,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             DocumentServiceAsyncClient: The constructed client.
         """
-        return DocumentServiceClient.from_service_account_file.__func__(DocumentServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return DocumentServiceClient.from_service_account_file.__func__(
+            DocumentServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/client.py
index 251bd8fe92f0..f5b1bfb3a316 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,22 +63,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.document_service import pagers
+from google.cloud.discoveryengine_v1beta.types import document
+from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.document_service import pagers
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1beta.types import document
-from google.cloud.discoveryengine_v1beta.types import document as gcd_document
-
-from .transports.base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from .transports.base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import DocumentServiceGrpcTransport
 from .transports.grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
 from .transports.rest import DocumentServiceRestTransport
@@ -92,9 +88,7 @@ class DocumentServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[DocumentServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
     _transport_registry["grpc"] = DocumentServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = DocumentServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = DocumentServiceRestTransport
@@ -701,11 +695,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = DocumentServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            DocumentServiceClient._read_environment_variables()
+        )
         self._client_cert_source = DocumentServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -740,8 +732,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(DocumentServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/pagers.py
index 6977cda8ad51..b9cb2ff33314 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import document, document_service
+from google.cloud.discoveryengine_v1beta.types import document
+from google.cloud.discoveryengine_v1beta.types import document_service
 
 
 class ListDocumentsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/__init__.py
index 08578a95ea6d..de821c2b2022 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import DocumentServiceTransport
 from .grpc import DocumentServiceGrpcTransport
 from .grpc_asyncio import DocumentServiceGrpcAsyncIOTransport
-from .rest import DocumentServiceRestInterceptor, DocumentServiceRestTransport
+from .rest import DocumentServiceRestTransport
+from .rest import DocumentServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[DocumentServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/base.py
index bba7dd8d66da..68a31ddc18f4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/base.py
@@ -16,26 +16,26 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1beta.types import document
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -324,7 +324,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc.py
index d433ba4b2b19..700a280c46f9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc.py
@@ -16,30 +16,30 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1beta.types import document
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -586,12 +586,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc_asyncio.py
index e49316923f5f..ed7079a2aa34 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/grpc_asyncio.py
@@ -15,34 +15,34 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1beta.types import document
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import DocumentServiceGrpcTransport
 
 try:
@@ -603,12 +603,12 @@ def batch_get_documents_metadata(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "batch_get_documents_metadata" not in self._stubs:
-            self._stubs[
-                "batch_get_documents_metadata"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.DocumentService/BatchGetDocumentsMetadata",
-                request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
-                response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+            self._stubs["batch_get_documents_metadata"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.DocumentService/BatchGetDocumentsMetadata",
+                    request_serializer=document_service.BatchGetDocumentsMetadataRequest.serialize,
+                    response_deserializer=document_service.BatchGetDocumentsMetadataResponse.deserialize,
+                )
             )
         return self._stubs["batch_get_documents_metadata"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest.py
index 8353af5ec1e1..d161dd72bf3f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest.py
@@ -13,34 +13,39 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1beta.types import document
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseDocumentServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -890,9 +895,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseBatchGetDocumentsMetadata._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_get_documents_metadata(
                 request, metadata
@@ -1048,9 +1051,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_create_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseCreateDocument._get_transcoded_request(
@@ -1195,9 +1196,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseDeleteDocument._get_transcoded_request(
@@ -1458,9 +1457,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseImportDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_import_documents(
                 request, metadata
@@ -1764,9 +1761,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_documents(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BasePurgeDocuments._get_transcoded_request(
@@ -1917,9 +1912,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_http_options()
 
             request, metadata = self._interceptor.pre_update_document(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseUpdateDocument._get_transcoded_request(
@@ -2021,7 +2014,9 @@ def batch_get_documents_metadata(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchGetDocumentsMetadata(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchGetDocumentsMetadata(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_document(
@@ -2136,9 +2131,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -2398,9 +2391,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseDocumentServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseDocumentServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest_base.py
index 3a2a42e6f465..e447e433cfd1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/document_service/transports/rest_base.py
@@ -14,24 +14,24 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import DocumentServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
 from google.cloud.discoveryengine_v1beta.types import document
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
-
-from .base import DEFAULT_CLIENT_INFO, DocumentServiceTransport
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseDocumentServiceRestTransport(DocumentServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/__init__.py
index f028860e65ae..e6da99d73e86 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EngineServiceAsyncClient
 from .client import EngineServiceClient
+from .async_client import EngineServiceAsyncClient
 
 __all__ = (
     "EngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/async_client.py
index 61cebfea2d44..c38c800adcd2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,21 +47,19 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.engine_service import pagers
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
-
-from .client import EngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
+from .client import EngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_info.__func__(EngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_info.__func__(
+            EngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EngineServiceAsyncClient: The constructed client.
         """
-        return EngineServiceClient.from_service_account_file.__func__(EngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EngineServiceClient.from_service_account_file.__func__(
+            EngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/client.py
index 3fb860fefcf8..019d0dff8fbe 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,19 +63,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.engine_service import pagers
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EngineServiceGrpcTransport
 from .transports.grpc_asyncio import EngineServiceGrpcAsyncIOTransport
 from .transports.rest import EngineServiceRestTransport
@@ -639,11 +637,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EngineServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -678,8 +674,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/pagers.py
index e7a17a16adc3..266d58d62692 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import engine, engine_service
+from google.cloud.discoveryengine_v1beta.types import engine
+from google.cloud.discoveryengine_v1beta.types import engine_service
 
 
 class ListEnginesPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/__init__.py
index b4ffb09de4fe..196454992873 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import EngineServiceTransport
 from .grpc import EngineServiceGrpcTransport
 from .grpc_asyncio import EngineServiceGrpcAsyncIOTransport
-from .rest import EngineServiceRestInterceptor, EngineServiceRestTransport
+from .rest import EngineServiceRestTransport
+from .rest import EngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[EngineServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/base.py
index ef2757af7ad4..8deea05591ea 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/base.py
@@ -16,21 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -307,7 +309,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc.py
index 5870795ef656..945c60af923d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc.py
@@ -16,25 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc_asyncio.py
index d9b75c05f3c8..28cda1585d90 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/grpc_asyncio.py
@@ -15,29 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EngineServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest.py
index 887e62d08bd5..d2c60051a5e3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest.py
@@ -13,29 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest_base.py
index 707a597badfb..e5183d81c42b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/engine_service/transports/rest_base.py
@@ -14,19 +14,21 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EngineServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
-
-from .base import DEFAULT_CLIENT_INFO, EngineServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEngineServiceRestTransport(EngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/__init__.py
index 9cbde8f5c38c..f2bfe018defb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import EvaluationServiceAsyncClient
 from .client import EvaluationServiceClient
+from .async_client import EvaluationServiceAsyncClient
 
 __all__ = (
     "EvaluationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/async_client.py
index 43947eb1ca8f..1bc11d150c3c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,19 +47,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.evaluation_service import pagers
-from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1beta.types import evaluation
-from google.cloud.discoveryengine_v1beta.types import evaluation_service
-
-from .client import EvaluationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from .transports.base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
+from .client import EvaluationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -144,7 +143,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             EvaluationServiceAsyncClient: The constructed client.
         """
-        return EvaluationServiceClient.from_service_account_info.__func__(EvaluationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return EvaluationServiceClient.from_service_account_info.__func__(
+            EvaluationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -160,7 +161,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             EvaluationServiceAsyncClient: The constructed client.
         """
-        return EvaluationServiceClient.from_service_account_file.__func__(EvaluationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return EvaluationServiceClient.from_service_account_file.__func__(
+            EvaluationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/client.py
index fb25635d3e51..d0baf6c3230a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,17 +63,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.evaluation_service import pagers
-from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1beta.types import evaluation
-from google.cloud.discoveryengine_v1beta.types import evaluation_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from .transports.base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import EvaluationServiceGrpcTransport
 from .transports.grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
 from .transports.rest import EvaluationServiceRestTransport
@@ -87,9 +85,7 @@ class EvaluationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[EvaluationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[EvaluationServiceTransport]]
     _transport_registry["grpc"] = EvaluationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = EvaluationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = EvaluationServiceRestTransport
@@ -776,11 +772,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = EvaluationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            EvaluationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = EvaluationServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -815,8 +809,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(EvaluationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/pagers.py
index 9a3049cfa341..01f0bcdb2daf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
 
 
 class ListEvaluationsPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -223,7 +223,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -303,7 +303,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/__init__.py
index c3cac92e11d7..12617337e606 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import EvaluationServiceTransport
 from .grpc import EvaluationServiceGrpcTransport
 from .grpc_asyncio import EvaluationServiceGrpcAsyncIOTransport
-from .rest import EvaluationServiceRestInterceptor, EvaluationServiceRestTransport
+from .rest import EvaluationServiceRestTransport
+from .rest import EvaluationServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[EvaluationServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/base.py
index ecb3b1f1aa7f..e4e5ca3f53ea 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/base.py
@@ -16,19 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -252,7 +255,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc.py
index eab8f572169b..df6658891af4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc.py
@@ -16,23 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
-
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc_asyncio.py
index f1d611ceb6af..11d9816be0f0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/grpc_asyncio.py
@@ -15,27 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
-
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import EvaluationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest.py
index 54e4267e7cd7..7eb0ad194777 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest.py
@@ -13,27 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseEvaluationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -701,9 +709,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseCreateEvaluation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseCreateEvaluation._get_http_options()
 
             request, metadata = self._interceptor.pre_create_evaluation(
                 request, metadata
@@ -857,9 +863,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_evaluation(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseGetEvaluation._get_transcoded_request(
@@ -1007,9 +1011,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListEvaluationResults._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListEvaluationResults._get_http_options()
 
             request, metadata = self._interceptor.pre_list_evaluation_results(
                 request, metadata
@@ -1165,9 +1167,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListEvaluations._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListEvaluations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_evaluations(
                 request, metadata
@@ -1355,9 +1355,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1477,9 +1475,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1618,9 +1614,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseEvaluationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseEvaluationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseEvaluationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest_base.py
index cabc59b6db94..7c554638911e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/evaluation_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import EvaluationServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1beta.types import evaluation, evaluation_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, EvaluationServiceTransport
+
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseEvaluationServiceRestTransport(EvaluationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/__init__.py
index 6fea6cab0de9..4cfbfc0e118a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import GroundedGenerationServiceAsyncClient
 from .client import GroundedGenerationServiceClient
+from .async_client import GroundedGenerationServiceAsyncClient
 
 __all__ = (
     "GroundedGenerationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/async_client.py
index c65372ddc526..8c3436dfa32a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/async_client.py
@@ -13,51 +13,48 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    AsyncIterable,
-    AsyncIterator,
-    Awaitable,
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    AsyncIterable,
+    Awaitable,
+    AsyncIterator,
     Sequence,
     Tuple,
     Type,
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
+from google.cloud.discoveryengine_v1beta.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    grounded_generation_service,
-    grounding,
-)
-
-from .client import GroundedGenerationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
+from .client import GroundedGenerationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -143,7 +140,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_info.__func__(GroundedGenerationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_info.__func__(
+            GroundedGenerationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -159,7 +158,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             GroundedGenerationServiceAsyncClient: The constructed client.
         """
-        return GroundedGenerationServiceClient.from_service_account_file.__func__(GroundedGenerationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return GroundedGenerationServiceClient.from_service_account_file.__func__(
+            GroundedGenerationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -197,7 +198,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return GroundedGenerationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> GroundedGenerationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/client.py
index 593a48b016a6..c9a67677649f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/client.py
@@ -20,14 +20,14 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
-    Iterable,
-    Iterator,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
     Optional,
+    Iterable,
+    Iterator,
     Sequence,
     Tuple,
     Type,
@@ -36,19 +36,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,15 +63,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
+from google.cloud.discoveryengine_v1beta.types import grounding
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    grounded_generation_service,
-    grounding,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from .transports.base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import GroundedGenerationServiceGrpcTransport
 from .transports.grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
 from .transports.rest import GroundedGenerationServiceRestTransport
@@ -85,9 +81,7 @@ class GroundedGenerationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
     _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = GroundedGenerationServiceRestTransport
@@ -656,11 +650,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = GroundedGenerationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            GroundedGenerationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             GroundedGenerationServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -697,8 +689,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(GroundedGenerationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/__init__.py
index 0f3052cbd079..bf39f5e977bd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import GroundedGenerationServiceTransport
 from .grpc import GroundedGenerationServiceGrpcTransport
 from .grpc_asyncio import GroundedGenerationServiceGrpcAsyncIOTransport
-from .rest import (
-    GroundedGenerationServiceRestInterceptor,
-    GroundedGenerationServiceRestTransport,
-)
+from .rest import GroundedGenerationServiceRestTransport
+from .rest import GroundedGenerationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[GroundedGenerationServiceTransport]]
 _transport_registry["grpc"] = GroundedGenerationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = GroundedGenerationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = GroundedGenerationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/base.py
index b4558b69cab9..513abb68e80a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -236,7 +237,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc.py
index 97c4b7a47cff..f1e6350b7491 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -346,12 +347,12 @@ def stream_generate_grounded_content(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "stream_generate_grounded_content" not in self._stubs:
-            self._stubs[
-                "stream_generate_grounded_content"
-            ] = self._logged_channel.stream_stream(
-                "/google.cloud.discoveryengine.v1beta.GroundedGenerationService/StreamGenerateGroundedContent",
-                request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
-                response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+            self._stubs["stream_generate_grounded_content"] = (
+                self._logged_channel.stream_stream(
+                    "/google.cloud.discoveryengine.v1beta.GroundedGenerationService/StreamGenerateGroundedContent",
+                    request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
+                    response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+                )
             )
         return self._stubs["stream_generate_grounded_content"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc_asyncio.py
index 248264e393c3..e47237d9603e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import GroundedGenerationServiceGrpcTransport
 
 try:
@@ -354,12 +355,12 @@ def stream_generate_grounded_content(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "stream_generate_grounded_content" not in self._stubs:
-            self._stubs[
-                "stream_generate_grounded_content"
-            ] = self._logged_channel.stream_stream(
-                "/google.cloud.discoveryengine.v1beta.GroundedGenerationService/StreamGenerateGroundedContent",
-                request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
-                response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+            self._stubs["stream_generate_grounded_content"] = (
+                self._logged_channel.stream_stream(
+                    "/google.cloud.discoveryengine.v1beta.GroundedGenerationService/StreamGenerateGroundedContent",
+                    request_serializer=grounded_generation_service.GenerateGroundedContentRequest.serialize,
+                    response_deserializer=grounded_generation_service.GenerateGroundedContentResponse.deserialize,
+                )
             )
         return self._stubs["stream_generate_grounded_content"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest.py
index 4f218f7971e9..443673c33012 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseGroundedGenerationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -424,9 +430,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_http_options()
 
             request, metadata = self._interceptor.pre_check_grounding(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseCheckGrounding._get_transcoded_request(
@@ -584,9 +588,7 @@ def __call__(
                     Response for the ``GenerateGroundedContent`` method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseGenerateGroundedContent._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseGenerateGroundedContent._get_http_options()
 
             request, metadata = self._interceptor.pre_generate_grounded_content(
                 request, metadata
@@ -726,7 +728,9 @@ def generate_grounded_content(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._GenerateGroundedContent(self._session, self._host, self._interceptor)  # type: ignore
+        return self._GenerateGroundedContent(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def stream_generate_grounded_content(
@@ -737,7 +741,9 @@ def stream_generate_grounded_content(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._StreamGenerateGroundedContent(self._session, self._host, self._interceptor)  # type: ignore
+        return self._StreamGenerateGroundedContent(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def cancel_operation(self):
@@ -795,9 +801,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -920,9 +924,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1063,9 +1065,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseGroundedGenerationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest_base.py
index 76ccf1537760..293db504dd40 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/grounded_generation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import GroundedGenerationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
-
-from .base import DEFAULT_CLIENT_INFO, GroundedGenerationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseGroundedGenerationServiceRestTransport(GroundedGenerationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/__init__.py
index 92a56900c029..f42a6de5f23b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ProjectServiceAsyncClient
 from .client import ProjectServiceClient
+from .async_client import ProjectServiceAsyncClient
 
 __all__ = (
     "ProjectServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/async_client.py
index 552a89a63156..b69be1062304 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,14 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import project
+from google.cloud.discoveryengine_v1beta.types import project_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import project, project_service
-
-from .client import ProjectServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
+from .client import ProjectServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -119,7 +119,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_info.__func__(ProjectServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_info.__func__(
+            ProjectServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -135,7 +137,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ProjectServiceAsyncClient: The constructed client.
         """
-        return ProjectServiceClient.from_service_account_file.__func__(ProjectServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ProjectServiceClient.from_service_account_file.__func__(
+            ProjectServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/client.py
index ac35ae297646..f5b60ef3f3a2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,12 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import project
+from google.cloud.discoveryengine_v1beta.types import project_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import project, project_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from .transports.base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ProjectServiceGrpcTransport
 from .transports.grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
 from .transports.rest import ProjectServiceRestTransport
@@ -82,9 +81,7 @@ class ProjectServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ProjectServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
     _transport_registry["grpc"] = ProjectServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ProjectServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ProjectServiceRestTransport
@@ -601,11 +598,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ProjectServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ProjectServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ProjectServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -640,8 +635,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ProjectServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/__init__.py
index 34168b4c507d..37999d2dc481 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import ProjectServiceTransport
 from .grpc import ProjectServiceGrpcTransport
 from .grpc_asyncio import ProjectServiceGrpcAsyncIOTransport
-from .rest import ProjectServiceRestInterceptor, ProjectServiceRestTransport
+from .rest import ProjectServiceRestTransport
+from .rest import ProjectServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[ProjectServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/base.py
index e2901ae363a5..4bad67c3e110 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import project_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -204,7 +206,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc.py
index 06508f0203a3..2537d566e29a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc_asyncio.py
index d1bdfde6cdd3..8a0ea560c663 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ProjectServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest.py
index e0f89fde21a5..e395b5d6644d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import project_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseProjectServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -523,9 +530,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseProvisionProject._get_http_options()
 
             request, metadata = self._interceptor.pre_provision_project(
                 request, metadata
@@ -681,9 +686,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseProjectServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest_base.py
index f76361df16e2..0e21526996f6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/project_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ProjectServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import project_service
-
-from .base import DEFAULT_CLIENT_INFO, ProjectServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseProjectServiceRestTransport(ProjectServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/__init__.py
index b87f3b8d87d4..cff8ae0bd628 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RankServiceAsyncClient
 from .client import RankServiceClient
+from .async_client import RankServiceAsyncClient
 
 __all__ = (
     "RankServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/async_client.py
index 2c45bd54afed..bbe2f841ec8d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import rank_service
-
-from .client import RankServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
+from .client import RankServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -113,7 +112,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_info.__func__(RankServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_info.__func__(
+            RankServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -129,7 +130,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RankServiceAsyncClient: The constructed client.
         """
-        return RankServiceClient.from_service_account_file.__func__(RankServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RankServiceClient.from_service_account_file.__func__(
+            RankServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/client.py
index 86f4066b4ab4..a751c5c1a113 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1beta.types import rank_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import rank_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from .transports.base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RankServiceGrpcTransport
 from .transports.grpc_asyncio import RankServiceGrpcAsyncIOTransport
 from .transports.rest import RankServiceRestTransport
@@ -602,11 +600,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RankServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RankServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RankServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -641,8 +637,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RankServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/__init__.py
index f45de8a44763..3ea75b53c7b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import RankServiceTransport
 from .grpc import RankServiceGrpcTransport
 from .grpc_asyncio import RankServiceGrpcAsyncIOTransport
-from .rest import RankServiceRestInterceptor, RankServiceRestTransport
+from .rest import RankServiceRestTransport
+from .rest import RankServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[RankServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/base.py
index 43cd21f0f407..ae0d62d01734 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import rank_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -199,7 +200,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc.py
index 58ff9c29dca8..1d6c98aca19a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc_asyncio.py
index 8375e6cb7fb3..c43650796dad 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RankServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest.py
index 6f230c8ce341..f0307844df9f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import rank_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRankServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest_base.py
index caca40327354..a529a1f4cd38 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/rank_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RankServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import rank_service
-
-from .base import DEFAULT_CLIENT_INFO, RankServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRankServiceRestTransport(RankServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/__init__.py
index 6a625342219a..4ddd61f41d3e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import RecommendationServiceAsyncClient
 from .client import RecommendationServiceClient
+from .async_client import RecommendationServiceAsyncClient
 
 __all__ = (
     "RecommendationServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/async_client.py
index 62924e4d001c..1102c9d4d4ff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,29 +29,28 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import recommendation_service
-
-from .client import RecommendationServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
+from .client import RecommendationServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -127,7 +126,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_info.__func__(RecommendationServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_info.__func__(
+            RecommendationServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -143,7 +144,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             RecommendationServiceAsyncClient: The constructed client.
         """
-        return RecommendationServiceClient.from_service_account_file.__func__(RecommendationServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return RecommendationServiceClient.from_service_account_file.__func__(
+            RecommendationServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -181,7 +184,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return RecommendationServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> RecommendationServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/client.py
index a3ecafd2e09c..1eaf6e5519a7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,12 +61,10 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
+from google.cloud.discoveryengine_v1beta.types import recommendation_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import recommendation_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from .transports.base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import RecommendationServiceGrpcTransport
 from .transports.grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
 from .transports.rest import RecommendationServiceRestTransport
@@ -80,9 +78,7 @@ class RecommendationServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[RecommendationServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
     _transport_registry["grpc"] = RecommendationServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = RecommendationServiceRestTransport
@@ -684,11 +680,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = RecommendationServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            RecommendationServiceClient._read_environment_variables()
+        )
         self._client_cert_source = RecommendationServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -723,8 +717,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(RecommendationServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/__init__.py
index f21f53c111bf..a7477e51c44b 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import RecommendationServiceTransport
 from .grpc import RecommendationServiceGrpcTransport
 from .grpc_asyncio import RecommendationServiceGrpcAsyncIOTransport
-from .rest import (
-    RecommendationServiceRestInterceptor,
-    RecommendationServiceRestTransport,
-)
+from .rest import RecommendationServiceRestTransport
+from .rest import RecommendationServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[RecommendationServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[RecommendationServiceTransport]]
 _transport_registry["grpc"] = RecommendationServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = RecommendationServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = RecommendationServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/base.py
index cd61f83a3dcf..796b013ce157 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import recommendation_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -202,7 +203,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc.py
index 7f36002600fd..78ac5b80bbf7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc_asyncio.py
index ed2eb3222390..1731c69b3efb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import RecommendationServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest.py
index d60d15b2547b..ffbf529dbb59 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import recommendation_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseRecommendationServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -358,9 +364,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseRecommend._get_http_options()
 
             request, metadata = self._interceptor.pre_recommend(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseRecommend._get_transcoded_request(
@@ -522,9 +526,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -647,9 +649,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -788,9 +788,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseRecommendationServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseRecommendationServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest_base.py
index e5ff60ad2302..24742183de06 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/recommendation_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import RecommendationServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import recommendation_service
-
-from .base import DEFAULT_CLIENT_INFO, RecommendationServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseRecommendationServiceRestTransport(RecommendationServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/__init__.py
index 4cd0b5a2b9ae..db5a8d68d5b9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SampleQueryServiceAsyncClient
 from .client import SampleQueryServiceClient
+from .async_client import SampleQueryServiceAsyncClient
 
 __all__ = (
     "SampleQueryServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/async_client.py
index 9b267d313d5c..b34e9201dd18 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,20 +47,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_service import pagers
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
-
-from .client import SampleQueryServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
+from .client import SampleQueryServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -131,7 +130,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SampleQueryServiceAsyncClient: The constructed client.
         """
-        return SampleQueryServiceClient.from_service_account_info.__func__(SampleQueryServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SampleQueryServiceClient.from_service_account_info.__func__(
+            SampleQueryServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -147,7 +148,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SampleQueryServiceAsyncClient: The constructed client.
         """
-        return SampleQueryServiceClient.from_service_account_file.__func__(SampleQueryServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SampleQueryServiceClient.from_service_account_file.__func__(
+            SampleQueryServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -185,7 +188,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SampleQueryServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SampleQueryServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SampleQueryServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/client.py
index 3ccc691336bb..c33a9e8950c6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,18 +63,16 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_service import pagers
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SampleQueryServiceGrpcTransport
 from .transports.grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
 from .transports.rest import SampleQueryServiceRestTransport
@@ -88,9 +86,7 @@ class SampleQueryServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SampleQueryServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQueryServiceTransport]]
     _transport_registry["grpc"] = SampleQueryServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SampleQueryServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SampleQueryServiceRestTransport
@@ -642,11 +638,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SampleQueryServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SampleQueryServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SampleQueryServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -681,8 +675,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SampleQueryServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/pagers.py
index 2d8722fb80d9..9a631b16dfcf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import sample_query, sample_query_service
+from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query_service
 
 
 class ListSampleQueriesPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -145,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/__init__.py
index 0f5acb01b776..021eee918899 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import SampleQueryServiceTransport
 from .grpc import SampleQueryServiceGrpcTransport
 from .grpc_asyncio import SampleQueryServiceGrpcAsyncIOTransport
-from .rest import SampleQueryServiceRestInterceptor, SampleQueryServiceRestTransport
+from .rest import SampleQueryServiceRestTransport
+from .rest import SampleQueryServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SampleQueryServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQueryServiceTransport]]
 _transport_registry["grpc"] = SampleQueryServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SampleQueryServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SampleQueryServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/base.py
index cce4c52d8bfa..916b654aacfb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/base.py
@@ -16,23 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -281,7 +283,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc.py
index 6fe3b9e28646..9fe482584a65 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc.py
@@ -16,27 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc_asyncio.py
index b1f8d05cbb30..1122d76d961e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/grpc_asyncio.py
@@ -15,31 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SampleQueryServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest.py
index ef6fbf5ee1f0..c777daaf6c8f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest.py
@@ -13,31 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSampleQueryServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -778,9 +785,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseCreateSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseCreateSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sample_query(
                 request, metadata
@@ -928,9 +933,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseDeleteSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseDeleteSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sample_query(
                 request, metadata
@@ -1045,9 +1048,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseGetSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseGetSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_get_sample_query(
                 request, metadata
@@ -1198,9 +1199,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseImportSampleQueries._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseImportSampleQueries._get_http_options()
 
             request, metadata = self._interceptor.pre_import_sample_queries(
                 request, metadata
@@ -1355,9 +1354,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseListSampleQueries._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseListSampleQueries._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sample_queries(
                 request, metadata
@@ -1509,9 +1506,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseUpdateSampleQuery._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseUpdateSampleQuery._get_http_options()
 
             request, metadata = self._interceptor.pre_update_sample_query(
                 request, metadata
@@ -1719,9 +1714,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1842,9 +1835,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSampleQueryServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1983,9 +1974,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSampleQueryServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSampleQueryServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSampleQueryServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest_base.py
index e1867120fe46..9df71a765ebe 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SampleQueryServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQueryServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSampleQueryServiceRestTransport(SampleQueryServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/__init__.py
index 60ef15e648d4..1df99a2b1309 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SampleQuerySetServiceAsyncClient
 from .client import SampleQuerySetServiceClient
+from .async_client import SampleQuerySetServiceAsyncClient
 
 __all__ = (
     "SampleQuerySetServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/async_client.py
index f7068c5d8516..b62c44ffa76e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,36 +29,35 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import pagers
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
-
-from .client import SampleQuerySetServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
+from .client import SampleQuerySetServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +131,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SampleQuerySetServiceAsyncClient: The constructed client.
         """
-        return SampleQuerySetServiceClient.from_service_account_info.__func__(SampleQuerySetServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SampleQuerySetServiceClient.from_service_account_info.__func__(
+            SampleQuerySetServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +149,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SampleQuerySetServiceAsyncClient: The constructed client.
         """
-        return SampleQuerySetServiceClient.from_service_account_file.__func__(SampleQuerySetServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SampleQuerySetServiceClient.from_service_account_file.__func__(
+            SampleQuerySetServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -186,7 +189,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SampleQuerySetServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SampleQuerySetServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SampleQuerySetServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/client.py
index 436506bd265a..c30613bb6997 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,19 +61,17 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import pagers
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SampleQuerySetServiceGrpcTransport
 from .transports.grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
 from .transports.rest import SampleQuerySetServiceRestTransport
@@ -87,9 +85,7 @@ class SampleQuerySetServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
     _transport_registry["grpc"] = SampleQuerySetServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SampleQuerySetServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SampleQuerySetServiceRestTransport
@@ -636,11 +632,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SampleQuerySetServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SampleQuerySetServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SampleQuerySetServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -675,8 +669,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SampleQuerySetServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/pagers.py
index fd027cc1e28d..44f92a6ced04 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    sample_query_set,
-    sample_query_set_service,
-)
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
+from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
 
 
 class ListSampleQuerySetsPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/__init__.py
index 44ad1aa56225..720035d6d52d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import SampleQuerySetServiceTransport
 from .grpc import SampleQuerySetServiceGrpcTransport
 from .grpc_asyncio import SampleQuerySetServiceGrpcAsyncIOTransport
-from .rest import (
-    SampleQuerySetServiceRestInterceptor,
-    SampleQuerySetServiceRestTransport,
-)
+from .rest import SampleQuerySetServiceRestTransport
+from .rest import SampleQuerySetServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SampleQuerySetServiceTransport]]
 _transport_registry["grpc"] = SampleQuerySetServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SampleQuerySetServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SampleQuerySetServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/base.py
index 0f9223c7aa91..0bfccfe17b2f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/base.py
@@ -16,24 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -271,7 +272,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc.py
index 2040ee5d6e13..4950f284614a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc.py
@@ -16,28 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc_asyncio.py
index 8c4096140d25..2e6a096b41b8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/grpc_asyncio.py
@@ -15,32 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SampleQuerySetServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest.py
index 070b534d65a6..c9ef3dec6adb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest.py
@@ -13,32 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSampleQuerySetServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -565,9 +571,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseCreateSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseCreateSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sample_query_set(
                 request, metadata
@@ -719,9 +723,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseDeleteSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseDeleteSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sample_query_set(
                 request, metadata
@@ -840,9 +842,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseGetSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseGetSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_get_sample_query_set(
                 request, metadata
@@ -994,9 +994,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseListSampleQuerySets._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseListSampleQuerySets._get_http_options()
 
             request, metadata = self._interceptor.pre_list_sample_query_sets(
                 request, metadata
@@ -1154,9 +1152,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseUpdateSampleQuerySet._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseUpdateSampleQuerySet._get_http_options()
 
             request, metadata = self._interceptor.pre_update_sample_query_set(
                 request, metadata
@@ -1365,9 +1361,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1490,9 +1484,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSampleQuerySetServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1631,9 +1623,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSampleQuerySetServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest_base.py
index 15a4ee567698..1f5b0cc1147a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/sample_query_set_service/transports/rest_base.py
@@ -14,22 +14,24 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SampleQuerySetServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
-
-from .base import DEFAULT_CLIENT_INFO, SampleQuerySetServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSampleQuerySetServiceRestTransport(SampleQuerySetServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/__init__.py
index f95513aefa30..0908014e8c82 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SchemaServiceAsyncClient
 from .client import SchemaServiceClient
+from .async_client import SchemaServiceAsyncClient
 
 __all__ = (
     "SchemaServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/async_client.py
index 5b52e5dfa060..3459dd860f53 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,19 +47,17 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.schema_service import pagers
 from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.discoveryengine_v1beta.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1beta.types import schema_service
-
-from .client import SchemaServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
+from .client import SchemaServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -126,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_info.__func__(SchemaServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_info.__func__(
+            SchemaServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -142,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SchemaServiceAsyncClient: The constructed client.
         """
-        return SchemaServiceClient.from_service_account_file.__func__(SchemaServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SchemaServiceClient.from_service_account_file.__func__(
+            SchemaServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/client.py
index 16b56a1408b1..6e945cdaf094 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,17 +63,15 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.schema_service import pagers
 from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.discoveryengine_v1beta.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1beta.types import schema_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from .transports.base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SchemaServiceGrpcTransport
 from .transports.grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
 from .transports.rest import SchemaServiceRestTransport
@@ -635,11 +633,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SchemaServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SchemaServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SchemaServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -674,8 +670,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SchemaServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/pagers.py
index 3e571974fcfc..57b4e3b6c065 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,7 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
 
 
 class ListSchemasPager:
@@ -67,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +143,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/__init__.py
index d21d5baa6100..78c2fa21d683 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SchemaServiceTransport
 from .grpc import SchemaServiceGrpcTransport
 from .grpc_asyncio import SchemaServiceGrpcAsyncIOTransport
-from .rest import SchemaServiceRestInterceptor, SchemaServiceRestTransport
+from .rest import SchemaServiceRestTransport
+from .rest import SchemaServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SchemaServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/base.py
index ff00c1467071..9c7eccc860f4 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/base.py
@@ -16,19 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -263,7 +266,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc.py
index 3bb625e3288e..094bfa69211f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc.py
@@ -16,23 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc_asyncio.py
index bf4829dc9442..a582466e3d0f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/grpc_asyncio.py
@@ -15,27 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
-
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SchemaServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest.py
index 872adb10c4ac..1ee439a3a452 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest.py
@@ -13,27 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSchemaServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest_base.py
index 3a9db40ff9e4..2181355873a6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/schema_service/transports/rest_base.py
@@ -14,17 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SchemaServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1beta.types import schema, schema_service
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SchemaServiceTransport
+
+from google.cloud.discoveryengine_v1beta.types import schema
+from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSchemaServiceRestTransport(SchemaServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/__init__.py
index 96aaa3993300..2be7ab3ff9b0 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchServiceAsyncClient
 from .client import SearchServiceClient
+from .async_client import SearchServiceAsyncClient
 
 __all__ = (
     "SearchServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/async_client.py
index 9152e7214767..7d2676060217 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,30 +29,29 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.search_service import pagers
 from google.cloud.discoveryengine_v1beta.types import search_service
-
-from .client import SearchServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
+from .client import SearchServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_info.__func__(SearchServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_info.__func__(
+            SearchServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchServiceAsyncClient: The constructed client.
         """
-        return SearchServiceClient.from_service_account_file.__func__(SearchServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchServiceClient.from_service_account_file.__func__(
+            SearchServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/client.py
index e4106c33b092..68c1dc459c2c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,13 +61,11 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.search_service import pagers
 from google.cloud.discoveryengine_v1beta.types import search_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .transports.base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchServiceGrpcTransport
 from .transports.grpc_asyncio import SearchServiceGrpcAsyncIOTransport
 from .transports.rest import SearchServiceRestTransport
@@ -729,11 +727,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -768,8 +764,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/pagers.py
index 245dd7f9e21d..ca501a3413a1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -67,7 +66,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -143,7 +142,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -223,7 +222,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -299,7 +298,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/__init__.py
index 24f3c65a62e4..62c175446415 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SearchServiceTransport
 from .grpc import SearchServiceGrpcTransport
 from .grpc_asyncio import SearchServiceGrpcAsyncIOTransport
-from .rest import SearchServiceRestInterceptor, SearchServiceRestTransport
+from .rest import SearchServiceRestTransport
+from .rest import SearchServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/base.py
index 4187306b54a8..41bb1c9d7eec 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/base.py
@@ -16,19 +16,20 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import search_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -213,7 +214,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc.py
index f19b576030c2..4a0ecae02d85 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc.py
@@ -16,23 +16,24 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc_asyncio.py
index c6e20c6cd93a..3b382565ae84 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/grpc_asyncio.py
@@ -15,27 +15,28 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest.py
index c46e4a992fed..c5deacaef0d6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest.py
@@ -13,27 +13,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import search_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest_base.py
index 3bd803b21e94..76038f29c7d9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import search_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchServiceRestTransport(SearchServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/__init__.py
index 1759c51ec4ab..6b603bf03c01 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SearchTuningServiceAsyncClient
 from .client import SearchTuningServiceClient
+from .async_client import SearchTuningServiceAsyncClient
 
 __all__ = (
     "SearchTuningServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/async_client.py
index 1aa612514291..3c1c00bb54bb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,17 +47,13 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import custom_tuning_model
+from google.cloud.discoveryengine_v1beta.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .client import SearchTuningServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
+from .client import SearchTuningServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +125,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_info.__func__(SearchTuningServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_info.__func__(
+            SearchTuningServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +143,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SearchTuningServiceAsyncClient: The constructed client.
         """
-        return SearchTuningServiceClient.from_service_account_file.__func__(SearchTuningServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SearchTuningServiceClient.from_service_account_file.__func__(
+            SearchTuningServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -182,7 +183,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SearchTuningServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SearchTuningServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/client.py
index 1fc8d798c2e0..06b9b7b74afc 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,15 +63,11 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import custom_tuning_model
+from google.cloud.discoveryengine_v1beta.types import search_tuning_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    custom_tuning_model,
-    search_tuning_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from .transports.base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SearchTuningServiceGrpcTransport
 from .transports.grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
 from .transports.rest import SearchTuningServiceRestTransport
@@ -85,9 +81,7 @@ class SearchTuningServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SearchTuningServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
     _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SearchTuningServiceRestTransport
@@ -637,11 +631,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SearchTuningServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SearchTuningServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SearchTuningServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -676,8 +668,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SearchTuningServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/__init__.py
index d759f5c3cdcd..a1d0aa1f0e9f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import SearchTuningServiceTransport
 from .grpc import SearchTuningServiceGrpcTransport
 from .grpc_asyncio import SearchTuningServiceGrpcAsyncIOTransport
-from .rest import SearchTuningServiceRestInterceptor, SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestTransport
+from .rest import SearchTuningServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SearchTuningServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SearchTuningServiceTransport]]
 _transport_registry["grpc"] = SearchTuningServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SearchTuningServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SearchTuningServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/base.py
index 459fc70e6947..32d6ddfe2bc2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/base.py
@@ -16,19 +16,21 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import search_tuning_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -221,7 +223,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc.py
index 78eaf2b5a2e1..f9ca014fd8c7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc.py
@@ -16,23 +16,25 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc_asyncio.py
index 07fc4b8e2137..01f651e30612 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/grpc_asyncio.py
@@ -15,27 +15,29 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SearchTuningServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest.py
index c55d14440fc4..f9e2d9b2bdb6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest.py
@@ -13,27 +13,34 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import search_tuning_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSearchTuningServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -583,9 +590,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListCustomModels._get_http_options()
 
             request, metadata = self._interceptor.pre_list_custom_models(
                 request, metadata
@@ -738,9 +743,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseTrainCustomModel._get_http_options()
 
             request, metadata = self._interceptor.pre_train_custom_model(
                 request, metadata
@@ -910,9 +913,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1033,9 +1034,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1174,9 +1173,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSearchTuningServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest_base.py
index a62f9642ae9e..a1f09fff206a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/search_tuning_service/transports/rest_base.py
@@ -14,17 +14,19 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SearchTuningServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import search_tuning_service
-
-from .base import DEFAULT_CLIENT_INFO, SearchTuningServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSearchTuningServiceRestTransport(SearchTuningServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/__init__.py
index 5e424baa78b8..123f6508d9a5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import ServingConfigServiceAsyncClient
 from .client import ServingConfigServiceClient
+from .async_client import ServingConfigServiceAsyncClient
 
 __all__ = (
     "ServingConfigServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/async_client.py
index f25cafc4960d..07c46d80f92a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,37 +29,37 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import search_service
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import common, search_service
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
-
-from .client import ServingConfigServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
+from .client import ServingConfigServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -127,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_info.__func__(ServingConfigServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_info.__func__(
+            ServingConfigServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -143,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             ServingConfigServiceAsyncClient: The constructed client.
         """
-        return ServingConfigServiceClient.from_service_account_file.__func__(ServingConfigServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return ServingConfigServiceClient.from_service_account_file.__func__(
+            ServingConfigServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -181,7 +185,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return ServingConfigServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> ServingConfigServiceTransport:
@@ -368,7 +374,7 @@ async def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1beta.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/client.py
index 37816e60c234..3ac10d9e6cf8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,20 +61,19 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import search_service
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import common, search_service
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
-
-from .transports.base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import ServingConfigServiceGrpcTransport
 from .transports.grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
 from .transports.rest import ServingConfigServiceRestTransport
@@ -88,9 +87,7 @@ class ServingConfigServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[ServingConfigServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
     _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = ServingConfigServiceRestTransport
@@ -620,11 +617,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = ServingConfigServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            ServingConfigServiceClient._read_environment_variables()
+        )
         self._client_cert_source = ServingConfigServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -659,8 +654,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(ServingConfigServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -792,7 +786,7 @@ def sample_update_serving_config():
                 [ServingConfig][google.cloud.discoveryengine.v1beta.ServingConfig]
                 to update. The following are NOT supported:
 
-                - [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
+                -  [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
 
                 If not set, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/pagers.py
index d21bb5f36c17..da6affe135b5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    serving_config,
-    serving_config_service,
-)
+from google.cloud.discoveryengine_v1beta.types import serving_config
+from google.cloud.discoveryengine_v1beta.types import serving_config_service
 
 
 class ListServingConfigsPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/__init__.py
index 6bdd4697d637..21e7b3091b0a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/__init__.py
@@ -19,12 +19,12 @@
 from .base import ServingConfigServiceTransport
 from .grpc import ServingConfigServiceGrpcTransport
 from .grpc_asyncio import ServingConfigServiceGrpcAsyncIOTransport
-from .rest import ServingConfigServiceRestInterceptor, ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestTransport
+from .rest import ServingConfigServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[ServingConfigServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[ServingConfigServiceTransport]]
 _transport_registry["grpc"] = ServingConfigServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = ServingConfigServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = ServingConfigServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/base.py
index 06a1d4ddb0d7..69c26439846a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/base.py
@@ -16,23 +16,24 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -237,7 +238,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc.py
index 4da66aaf6a85..ac75c0afd5db 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc.py
@@ -16,27 +16,28 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc_asyncio.py
index f4a00d16bf7e..e6cee5c83493 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/grpc_asyncio.py
@@ -15,31 +15,32 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import ServingConfigServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest.py
index 8703bf54329f..3c5d1050afcf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest.py
@@ -13,31 +13,37 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
 
+
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseServingConfigServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -483,9 +489,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseGetServingConfig._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseGetServingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_get_serving_config(
                 request, metadata
@@ -635,9 +639,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseListServingConfigs._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseListServingConfigs._get_http_options()
 
             request, metadata = self._interceptor.pre_list_serving_configs(
                 request, metadata
@@ -796,9 +798,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseUpdateServingConfig._get_http_options()
 
             request, metadata = self._interceptor.pre_update_serving_config(
                 request, metadata
@@ -985,9 +985,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1108,9 +1106,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -1249,9 +1245,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseServingConfigServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseServingConfigServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest_base.py
index 07249d539623..4ead44ab0251 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/serving_config_service/transports/rest_base.py
@@ -14,21 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import ServingConfigServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
 
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
-
-from .base import DEFAULT_CLIENT_INFO, ServingConfigServiceTransport
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseServingConfigServiceRestTransport(ServingConfigServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/__init__.py
index c278fb1603a2..a00026df42c5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SessionServiceAsyncClient
 from .client import SessionServiceClient
+from .async_client import SessionServiceAsyncClient
 
 __all__ = (
     "SessionServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/async_client.py
index 3e1a745dab83..8b47b2b2c803 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,34 +29,33 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
     OptionalRetry = Union[retries.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.session_service import pagers
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .client import SessionServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
+from .client import SessionServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -128,7 +127,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_info.__func__(SessionServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_info.__func__(
+            SessionServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -144,7 +145,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SessionServiceAsyncClient: The constructed client.
         """
-        return SessionServiceClient.from_service_account_file.__func__(SessionServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SessionServiceClient.from_service_account_file.__func__(
+            SessionServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -585,7 +588,7 @@ async def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1beta.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/client.py
index 73766d386aeb..00472b43bf1f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -61,17 +61,15 @@
 
 _LOGGER = std_logging.getLogger(__name__)
 
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.session_service import pagers
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .transports.base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from .transports.base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SessionServiceGrpcTransport
 from .transports.grpc_asyncio import SessionServiceGrpcAsyncIOTransport
 from .transports.rest import SessionServiceRestTransport
@@ -85,9 +83,7 @@ class SessionServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SessionServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
     _transport_registry["grpc"] = SessionServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SessionServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SessionServiceRestTransport
@@ -713,11 +709,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SessionServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SessionServiceClient._read_environment_variables()
+        )
         self._client_cert_source = SessionServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -752,8 +746,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SessionServiceTransport, transport)
             self._api_endpoint = self._transport.host
@@ -1098,7 +1091,7 @@ def sample_update_session():
                 [Session][google.cloud.discoveryengine.v1beta.Session]
                 to update. The following are NOT supported:
 
-                - [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
+                -  [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
 
                 If not set or empty, all supported fields are updated.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/pagers.py
index 519fa65bf54d..f394bbbd90a1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    conversational_search_service,
-    session,
-)
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import session
 
 
 class ListSessionsPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/__init__.py
index d258a984225b..541203cdd07f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import SessionServiceTransport
 from .grpc import SessionServiceGrpcTransport
 from .grpc_asyncio import SessionServiceGrpcAsyncIOTransport
-from .rest import SessionServiceRestInterceptor, SessionServiceRestTransport
+from .rest import SessionServiceRestTransport
+from .rest import SessionServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[SessionServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/base.py
index b1ab7e717b39..8659e7f0db55 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/base.py
@@ -16,22 +16,23 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +262,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc.py
index 68804799730f..ede90c0fcd28 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc.py
@@ -16,26 +16,27 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers
+from google.api_core import grpc_helpers
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc_asyncio.py
index 7e0ce89dfce1..e3804ba89d54 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/grpc_asyncio.py
@@ -15,30 +15,31 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from google.protobuf import empty_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SessionServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest.py
index b79c12438bfe..db38d1ea6aab 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest.py
@@ -13,30 +13,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, rest_helpers, rest_streaming
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
-from google.protobuf import empty_pb2  # type: ignore
+
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
 
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSessionServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1292,9 +1298,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSessionServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest_base.py
index 4da0f0a14e8f..556dc0df4b83 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/session_service/transports/rest_base.py
@@ -14,20 +14,22 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SessionServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import json_format
 
 from google.cloud.discoveryengine_v1beta.types import conversational_search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
-
-from .base import DEFAULT_CLIENT_INFO, SessionServiceTransport
+from google.protobuf import empty_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSessionServiceRestTransport(SessionServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/__init__.py
index 8039b8753159..3bffbf62365f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import SiteSearchEngineServiceAsyncClient
 from .client import SiteSearchEngineServiceClient
+from .async_client import SiteSearchEngineServiceAsyncClient
 
 __all__ = (
     "SiteSearchEngineServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/async_client.py
index 89b86b5877ec..3d4712bff615 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -46,22 +47,18 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
+    pagers,
+)
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
-    pagers,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .client import SiteSearchEngineServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
+from .client import SiteSearchEngineServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -141,7 +138,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_info.__func__(SiteSearchEngineServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_info.__func__(
+            SiteSearchEngineServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -157,7 +156,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             SiteSearchEngineServiceAsyncClient: The constructed client.
         """
-        return SiteSearchEngineServiceClient.from_service_account_file.__func__(SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return SiteSearchEngineServiceClient.from_service_account_file.__func__(
+            SiteSearchEngineServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
@@ -195,7 +196,9 @@ def get_mtls_endpoint_and_cert_source(
         Raises:
             google.auth.exceptions.MutualTLSChannelError: If any errors happen.
         """
-        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(client_options)  # type: ignore
+        return SiteSearchEngineServiceClient.get_mtls_endpoint_and_cert_source(
+            client_options
+        )  # type: ignore
 
     @property
     def transport(self) -> SiteSearchEngineServiceTransport:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/client.py
index e79f570058da..7518f0264adf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -63,20 +63,16 @@
 
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
+    pagers,
+)
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
-    pagers,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from .transports.base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import SiteSearchEngineServiceGrpcTransport
 from .transports.grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
 from .transports.rest import SiteSearchEngineServiceRestTransport
@@ -90,9 +86,7 @@ class SiteSearchEngineServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
     _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
@@ -668,11 +662,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = SiteSearchEngineServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            SiteSearchEngineServiceClient._read_environment_variables()
+        )
         self._client_cert_source = (
             SiteSearchEngineServiceClient._get_client_cert_source(
                 self._client_options.client_cert_source, self._use_client_cert
@@ -709,8 +701,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(SiteSearchEngineServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/pagers.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/pagers.py
index e9d54b6c0c8f..0842ccafce6c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/pagers.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/pagers.py
@@ -13,22 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from google.api_core import gapic_v1
+from google.api_core import retry as retries
+from google.api_core import retry_async as retries_async
 from typing import (
     Any,
     AsyncIterator,
     Awaitable,
     Callable,
-    Iterator,
-    Optional,
     Sequence,
     Tuple,
+    Optional,
+    Iterator,
     Union,
 )
 
-from google.api_core import gapic_v1
-from google.api_core import retry as retries
-from google.api_core import retry_async as retries_async
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
     OptionalAsyncRetry = Union[
@@ -38,10 +37,8 @@
     OptionalRetry = Union[retries.Retry, object, None]  # type: ignore
     OptionalAsyncRetry = Union[retries_async.AsyncRetry, object, None]  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
 
 
 class ListTargetSitesPager:
@@ -70,7 +67,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -148,7 +145,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
@@ -232,7 +229,7 @@ def __init__(
         *,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiate the pager.
 
@@ -315,7 +312,7 @@ def __init__(
         *,
         retry: OptionalAsyncRetry = gapic_v1.method.DEFAULT,
         timeout: Union[float, object] = gapic_v1.method.DEFAULT,
-        metadata: Sequence[Tuple[str, Union[str, bytes]]] = ()
+        metadata: Sequence[Tuple[str, Union[str, bytes]]] = (),
     ):
         """Instantiates the pager.
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/__init__.py
index 5443c0c10cf1..31f1983d1847 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/__init__.py
@@ -19,15 +19,12 @@
 from .base import SiteSearchEngineServiceTransport
 from .grpc import SiteSearchEngineServiceGrpcTransport
 from .grpc_asyncio import SiteSearchEngineServiceGrpcAsyncIOTransport
-from .rest import (
-    SiteSearchEngineServiceRestInterceptor,
-    SiteSearchEngineServiceRestTransport,
-)
+from .rest import SiteSearchEngineServiceRestTransport
+from .rest import SiteSearchEngineServiceRestInterceptor
+
 
 # Compile a registry of transports.
-_transport_registry = (
-    OrderedDict()
-)  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
+_transport_registry = OrderedDict()  # type: Dict[str, Type[SiteSearchEngineServiceTransport]]
 _transport_registry["grpc"] = SiteSearchEngineServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = SiteSearchEngineServiceGrpcAsyncIOTransport
 _transport_registry["rest"] = SiteSearchEngineServiceRestTransport
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/base.py
index 3cccda29f9c1..de25eab9bf06 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/base.py
@@ -16,22 +16,22 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -415,7 +415,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc.py
index 529aa4ed06cf..2b715c05df4f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc.py
@@ -16,26 +16,26 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -661,12 +661,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -693,12 +693,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -786,12 +786,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc_asyncio.py
index 3416e87016f7..7f15901d9496 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/grpc_asyncio.py
@@ -15,30 +15,30 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import SiteSearchEngineServiceGrpcTransport
 
 try:
@@ -675,12 +675,12 @@ def enable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "enable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "enable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/EnableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["enable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/EnableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.EnableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["enable_advanced_site_search"]
 
@@ -707,12 +707,12 @@ def disable_advanced_site_search(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "disable_advanced_site_search" not in self._stubs:
-            self._stubs[
-                "disable_advanced_site_search"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/DisableAdvancedSiteSearch",
-                request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
-                response_deserializer=operations_pb2.Operation.FromString,
+            self._stubs["disable_advanced_site_search"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/DisableAdvancedSiteSearch",
+                    request_serializer=site_search_engine_service.DisableAdvancedSiteSearchRequest.serialize,
+                    response_deserializer=operations_pb2.Operation.FromString,
+                )
             )
         return self._stubs["disable_advanced_site_search"]
 
@@ -801,12 +801,12 @@ def fetch_domain_verification_status(
         # gRPC handles serialization and deserialization, so we just need
         # to pass in the functions for each.
         if "fetch_domain_verification_status" not in self._stubs:
-            self._stubs[
-                "fetch_domain_verification_status"
-            ] = self._logged_channel.unary_unary(
-                "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/FetchDomainVerificationStatus",
-                request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
-                response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+            self._stubs["fetch_domain_verification_status"] = (
+                self._logged_channel.unary_unary(
+                    "/google.cloud.discoveryengine.v1beta.SiteSearchEngineService/FetchDomainVerificationStatus",
+                    request_serializer=site_search_engine_service.FetchDomainVerificationStatusRequest.serialize,
+                    response_deserializer=site_search_engine_service.FetchDomainVerificationStatusResponse.deserialize,
+                )
             )
         return self._stubs["fetch_domain_verification_status"]
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest.py
index cc9775658ae3..d863b323cf63 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest.py
@@ -13,30 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseSiteSearchEngineServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -1336,9 +1341,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchCreateTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_create_target_sites(
                 request, metadata
@@ -1492,9 +1495,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseBatchVerifyTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_batch_verify_target_sites(
                 request, metadata
@@ -1648,9 +1649,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_http_options()
 
             request, metadata = self._interceptor.pre_create_sitemap(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseCreateSitemap._get_transcoded_request(
@@ -1804,9 +1803,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCreateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_create_target_site(
                 request, metadata
@@ -1961,9 +1958,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_sitemap(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteSitemap._get_transcoded_request(
@@ -2111,9 +2106,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDeleteTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_delete_target_site(
                 request, metadata
@@ -2267,9 +2260,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseDisableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_disable_advanced_site_search(
                 request, metadata
@@ -2424,9 +2415,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseEnableAdvancedSiteSearch._get_http_options()
 
             request, metadata = self._interceptor.pre_enable_advanced_site_search(
                 request, metadata
@@ -2582,9 +2571,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseFetchDomainVerificationStatus._get_http_options()
 
             request, metadata = self._interceptor.pre_fetch_domain_verification_status(
                 request, metadata
@@ -2652,11 +2639,10 @@ def __call__(
 
             resp = self._interceptor.post_fetch_domain_verification_status(resp)
             response_metadata = [(k, str(v)) for k, v in response.headers.items()]
-            (
-                resp,
-                _,
-            ) = self._interceptor.post_fetch_domain_verification_status_with_metadata(
-                resp, response_metadata
+            resp, _ = (
+                self._interceptor.post_fetch_domain_verification_status_with_metadata(
+                    resp, response_metadata
+                )
             )
             if CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
                 logging.DEBUG
@@ -2743,9 +2729,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_http_options()
 
             request, metadata = self._interceptor.pre_fetch_sitemaps(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseFetchSitemaps._get_transcoded_request(
@@ -2900,9 +2884,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetSiteSearchEngine._get_http_options()
 
             request, metadata = self._interceptor.pre_get_site_search_engine(
                 request, metadata
@@ -3055,9 +3037,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_get_target_site(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetTargetSite._get_transcoded_request(
@@ -3207,9 +3187,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListTargetSites._get_http_options()
 
             request, metadata = self._interceptor.pre_list_target_sites(
                 request, metadata
@@ -3366,9 +3344,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_http_options()
 
             request, metadata = self._interceptor.pre_recrawl_uris(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseRecrawlUris._get_transcoded_request(
@@ -3520,9 +3496,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseUpdateTargetSite._get_http_options()
 
             request, metadata = self._interceptor.pre_update_target_site(
                 request, metadata
@@ -3626,7 +3600,9 @@ def batch_create_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchCreateTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchCreateTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def batch_verify_target_sites(
@@ -3637,7 +3613,9 @@ def batch_verify_target_sites(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._BatchVerifyTargetSites(self._session, self._host, self._interceptor)  # type: ignore
+        return self._BatchVerifyTargetSites(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def create_sitemap(
@@ -3688,7 +3666,9 @@ def disable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._DisableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._DisableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def enable_advanced_site_search(
@@ -3699,7 +3679,9 @@ def enable_advanced_site_search(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._EnableAdvancedSiteSearch(self._session, self._host, self._interceptor)  # type: ignore
+        return self._EnableAdvancedSiteSearch(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def fetch_domain_verification_status(
@@ -3710,7 +3692,9 @@ def fetch_domain_verification_status(
     ]:
         # The return type is fine, but mypy isn't sophisticated enough to determine what's going on here.
         # In C++ this would require a dynamic_cast
-        return self._FetchDomainVerificationStatus(self._session, self._host, self._interceptor)  # type: ignore
+        return self._FetchDomainVerificationStatus(
+            self._session, self._host, self._interceptor
+        )  # type: ignore
 
     @property
     def fetch_sitemaps(
@@ -3831,9 +3815,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -3956,9 +3938,7 @@ def __call__(
                 operations_pb2.Operation: Response from GetOperation method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_get_operation(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseGetOperation._get_transcoded_request(
@@ -4097,9 +4077,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseSiteSearchEngineServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest_base.py
index 4bdd85cce4fb..2a282b2f71ca 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/site_search_engine_service/transports/rest_base.py
@@ -14,20 +14,20 @@
 # limitations under the License.
 #
 import json  # type: ignore
-import re
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+from google.api_core import path_template
+from google.api_core import gapic_v1
 
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import SiteSearchEngineServiceTransport, DEFAULT_CLIENT_INFO
 
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
+import re
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
-from .base import DEFAULT_CLIENT_INFO, SiteSearchEngineServiceTransport
+
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.longrunning import operations_pb2  # type: ignore
 
 
 class _BaseSiteSearchEngineServiceRestTransport(SiteSearchEngineServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/__init__.py
index eea5da67c013..4c45751a520f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/__init__.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .async_client import UserEventServiceAsyncClient
 from .client import UserEventServiceClient
+from .async_client import UserEventServiceAsyncClient
 
 __all__ = (
     "UserEventServiceClient",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/async_client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/async_client.py
index 44ca653a5bfc..ccdc90ae6c1f 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/async_client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/async_client.py
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from collections import OrderedDict
 import logging as std_logging
+from collections import OrderedDict
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -29,15 +29,16 @@
     Union,
 )
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+from google.api_core.client_options import ClientOptions
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry_async as retries
-from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.AsyncRetry, gapic_v1.method._MethodDefault, None]
@@ -47,22 +48,18 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .client import UserEventServiceClient
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
+from .client import UserEventServiceClient
 
 try:
     from google.api_core import client_logging  # type: ignore
@@ -132,7 +129,9 @@ def from_service_account_info(cls, info: dict, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_info.__func__(UserEventServiceAsyncClient, info, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_info.__func__(
+            UserEventServiceAsyncClient, info, *args, **kwargs
+        )  # type: ignore
 
     @classmethod
     def from_service_account_file(cls, filename: str, *args, **kwargs):
@@ -148,7 +147,9 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
         Returns:
             UserEventServiceAsyncClient: The constructed client.
         """
-        return UserEventServiceClient.from_service_account_file.__func__(UserEventServiceAsyncClient, filename, *args, **kwargs)  # type: ignore
+        return UserEventServiceClient.from_service_account_file.__func__(
+            UserEventServiceAsyncClient, filename, *args, **kwargs
+        )  # type: ignore
 
     from_service_account_json = from_service_account_file
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/client.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/client.py
index 6b36cdf5a50c..b63cf05ae9df 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/client.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/client.py
@@ -20,8 +20,8 @@
 import os
 import re
 from typing import (
-    Callable,
     Dict,
+    Callable,
     Mapping,
     MutableMapping,
     MutableSequence,
@@ -34,19 +34,19 @@
 )
 import warnings
 
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as core_exceptions
 from google.api_core import gapic_v1
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
+from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
 except AttributeError:  # pragma: NO COVER
@@ -64,20 +64,16 @@
 from google.api import httpbody_pb2  # type: ignore
 from google.api_core import operation  # type: ignore
 from google.api_core import operation_async  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
 from google.cloud.location import locations_pb2  # type: ignore
 from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf import any_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-
-from google.cloud.discoveryengine_v1beta.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .transports.base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from .transports.base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .transports.grpc import UserEventServiceGrpcTransport
 from .transports.grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
 from .transports.rest import UserEventServiceRestTransport
@@ -91,9 +87,7 @@ class UserEventServiceClientMeta(type):
     objects.
     """
 
-    _transport_registry = (
-        OrderedDict()
-    )  # type: Dict[str, Type[UserEventServiceTransport]]
+    _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
     _transport_registry["grpc"] = UserEventServiceGrpcTransport
     _transport_registry["grpc_asyncio"] = UserEventServiceGrpcAsyncIOTransport
     _transport_registry["rest"] = UserEventServiceRestTransport
@@ -669,11 +663,9 @@ def __init__(
 
         universe_domain_opt = getattr(self._client_options, "universe_domain", None)
 
-        (
-            self._use_client_cert,
-            self._use_mtls_endpoint,
-            self._universe_domain_env,
-        ) = UserEventServiceClient._read_environment_variables()
+        self._use_client_cert, self._use_mtls_endpoint, self._universe_domain_env = (
+            UserEventServiceClient._read_environment_variables()
+        )
         self._client_cert_source = UserEventServiceClient._get_client_cert_source(
             self._client_options.client_cert_source, self._use_client_cert
         )
@@ -708,8 +700,7 @@ def __init__(
                 )
             if self._client_options.scopes:
                 raise ValueError(
-                    "When providing a transport instance, provide its scopes "
-                    "directly."
+                    "When providing a transport instance, provide its scopes directly."
                 )
             self._transport = cast(UserEventServiceTransport, transport)
             self._api_endpoint = self._transport.host
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/__init__.py
index 771ec74658ec..d136d6cf3abb 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/__init__.py
@@ -19,7 +19,9 @@
 from .base import UserEventServiceTransport
 from .grpc import UserEventServiceGrpcTransport
 from .grpc_asyncio import UserEventServiceGrpcAsyncIOTransport
-from .rest import UserEventServiceRestInterceptor, UserEventServiceRestTransport
+from .rest import UserEventServiceRestTransport
+from .rest import UserEventServiceRestInterceptor
+
 
 # Compile a registry of transports.
 _transport_registry = OrderedDict()  # type: Dict[str, Type[UserEventServiceTransport]]
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/base.py
index 85d29ea872b5..62be181490ed 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/base.py
@@ -16,25 +16,25 @@
 import abc
 from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta import gapic_version as package_version
+
+import google.auth  # type: ignore
 import google.api_core
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, operations_v1
+from google.api_core import gapic_v1
 from google.api_core import retry as retries
-import google.auth  # type: ignore
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 import google.protobuf
 
-from google.cloud.discoveryengine_v1beta import gapic_version as package_version
-from google.cloud.discoveryengine_v1beta.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
 
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=package_version.__version__
@@ -261,7 +261,10 @@ def get_operation(
     @property
     def cancel_operation(
         self,
-    ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
+    ) -> Callable[
+        [operations_pb2.CancelOperationRequest],
+        None,
+    ]:
         raise NotImplementedError()
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc.py
index e03099d5bb01..1e5e767f4e8e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc.py
@@ -16,29 +16,29 @@
 import json
 import logging as std_logging
 import pickle
-from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 import warnings
+from typing import Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, grpc_helpers, operations_v1
+from google.api_core import grpc_helpers
+from google.api_core import operations_v1
+from google.api_core import gapic_v1
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 
 try:
     from google.api_core import client_logging  # type: ignore
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc_asyncio.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc_asyncio.py
index c48cc6540556..c7d091d44d53 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/grpc_asyncio.py
@@ -15,33 +15,33 @@
 #
 import inspect
 import json
-import logging as std_logging
 import pickle
-from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
+import logging as std_logging
 import warnings
+from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
 
-from google.api import httpbody_pb2  # type: ignore
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers_async
 from google.api_core import exceptions as core_exceptions
-from google.api_core import gapic_v1, grpc_helpers_async, operations_v1
 from google.api_core import retry_async as retries
+from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
 from google.protobuf.json_format import MessageToJson
 import google.protobuf.message
+
 import grpc  # type: ignore
-from grpc.experimental import aio  # type: ignore
 import proto  # type: ignore
+from grpc.experimental import aio  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
+from google.cloud.location import locations_pb2  # type: ignore
+from google.longrunning import operations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
 from .grpc import UserEventServiceGrpcTransport
 
 try:
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest.py
index e95583803a34..9b0a3f3057bf 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest.py
@@ -13,33 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import dataclasses
-import json  # type: ignore
 import logging
-from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
-import warnings
+import json  # type: ignore
 
-from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, operations_v1, rest_helpers, rest_streaming
+from google.auth.transport.requests import AuthorizedSession  # type: ignore
+from google.auth import credentials as ga_credentials  # type: ignore
 from google.api_core import exceptions as core_exceptions
 from google.api_core import retry as retries
-from google.auth import credentials as ga_credentials  # type: ignore
-from google.auth.transport.requests import AuthorizedSession  # type: ignore
-from google.cloud.location import locations_pb2  # type: ignore
-from google.longrunning import operations_pb2  # type: ignore
+from google.api_core import rest_helpers
+from google.api_core import rest_streaming
+from google.api_core import gapic_v1
 import google.protobuf
+
 from google.protobuf import json_format
+from google.api_core import operations_v1
+from google.cloud.location import locations_pb2  # type: ignore
+
 from requests import __version__ as requests_version
+import dataclasses
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
+import warnings
+
+
+from google.api import httpbody_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
+from google.longrunning import operations_pb2  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
-from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 from .rest_base import _BaseUserEventServiceRestTransport
+from .base import DEFAULT_CLIENT_INFO as BASE_DEFAULT_CLIENT_INFO
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -744,9 +749,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCollectUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_collect_user_event(
                 request, metadata
@@ -896,9 +899,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseImportUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_import_user_events(
                 request, metadata
@@ -1051,9 +1052,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BasePurgeUserEvents._get_http_options()
 
             request, metadata = self._interceptor.pre_purge_user_events(
                 request, metadata
@@ -1206,9 +1205,7 @@ def __call__(
 
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseWriteUserEvent._get_http_options()
 
             request, metadata = self._interceptor.pre_write_user_event(
                 request, metadata
@@ -1391,9 +1388,7 @@ def __call__(
                     be of type `bytes`.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseCancelOperation._get_http_options()
 
             request, metadata = self._interceptor.pre_cancel_operation(
                 request, metadata
@@ -1653,9 +1648,7 @@ def __call__(
                 operations_pb2.ListOperationsResponse: Response from ListOperations method.
             """
 
-            http_options = (
-                _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
-            )
+            http_options = _BaseUserEventServiceRestTransport._BaseListOperations._get_http_options()
 
             request, metadata = self._interceptor.pre_list_operations(request, metadata)
             transcoded_request = _BaseUserEventServiceRestTransport._BaseListOperations._get_transcoded_request(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest_base.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest_base.py
index 88b1391c1cf6..8fd3a019de7d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest_base.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/services/user_event_service/transports/rest_base.py
@@ -14,23 +14,23 @@
 # limitations under the License.
 #
 import json  # type: ignore
+from google.api_core import path_template
+from google.api_core import gapic_v1
+
+from google.protobuf import json_format
+from google.cloud.location import locations_pb2  # type: ignore
+from .base import UserEventServiceTransport, DEFAULT_CLIENT_INFO
+
 import re
 from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 
+
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import gapic_v1, path_template
-from google.cloud.location import locations_pb2  # type: ignore
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
 from google.longrunning import operations_pb2  # type: ignore
-from google.protobuf import json_format
-
-from google.cloud.discoveryengine_v1beta.types import (
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
-
-from .base import DEFAULT_CLIENT_INFO, UserEventServiceTransport
 
 
 class _BaseUserEventServiceRestTransport(UserEventServiceTransport):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/__init__.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/__init__.py
index c349abe5f20e..f9a28599f4f6 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/__init__.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/__init__.py
@@ -13,28 +13,38 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .answer import Answer
-from .chunk import Chunk
+from .answer import (
+    Answer,
+)
+from .chunk import (
+    Chunk,
+)
 from .common import (
     CustomAttribute,
     DoubleList,
     EmbeddingConfig,
-    IndustryVertical,
     Interval,
+    UserInfo,
+    IndustryVertical,
     SearchAddOn,
     SearchTier,
     SearchUseCase,
     SolutionType,
-    UserInfo,
 )
-from .completion import CompletionSuggestion, SuggestionDenyListEntry
+from .completion import (
+    CompletionSuggestion,
+    SuggestionDenyListEntry,
+)
 from .completion_service import (
     AdvancedCompleteQueryRequest,
     AdvancedCompleteQueryResponse,
     CompleteQueryRequest,
     CompleteQueryResponse,
 )
-from .control import Condition, Control
+from .control import (
+    Condition,
+    Control,
+)
 from .control_service import (
     CreateControlRequest,
     DeleteControlRequest,
@@ -69,7 +79,9 @@
     UpdateConversationRequest,
     UpdateSessionRequest,
 )
-from .custom_tuning_model import CustomTuningModel
+from .custom_tuning_model import (
+    CustomTuningModel,
+)
 from .data_store import (
     DataStore,
     LanguageInfo,
@@ -86,8 +98,12 @@
     ListDataStoresResponse,
     UpdateDataStoreRequest,
 )
-from .document import Document
-from .document_processing_config import DocumentProcessingConfig
+from .document import (
+    Document,
+)
+from .document_processing_config import (
+    DocumentProcessingConfig,
+)
 from .document_service import (
     BatchGetDocumentsMetadataRequest,
     BatchGetDocumentsMetadataResponse,
@@ -98,7 +114,9 @@
     ListDocumentsResponse,
     UpdateDocumentRequest,
 )
-from .engine import Engine
+from .engine import (
+    Engine,
+)
 from .engine_service import (
     CreateEngineMetadata,
     CreateEngineRequest,
@@ -114,7 +132,10 @@
     TuneEngineResponse,
     UpdateEngineRequest,
 )
-from .evaluation import Evaluation, QualityMetrics
+from .evaluation import (
+    Evaluation,
+    QualityMetrics,
+)
 from .evaluation_service import (
     CreateEvaluationMetadata,
     CreateEvaluationRequest,
@@ -132,7 +153,11 @@
     GenerateGroundedContentResponse,
     GroundedGenerationContent,
 )
-from .grounding import FactChunk, GroundingConfig, GroundingFact
+from .grounding import (
+    FactChunk,
+    GroundingConfig,
+    GroundingFact,
+)
 from .import_config import (
     AlloyDbSource,
     BigQuerySource,
@@ -160,8 +185,13 @@
     ImportUserEventsResponse,
     SpannerSource,
 )
-from .project import Project
-from .project_service import ProvisionProjectMetadata, ProvisionProjectRequest
+from .project import (
+    Project,
+)
+from .project_service import (
+    ProvisionProjectMetadata,
+    ProvisionProjectRequest,
+)
 from .purge_config import (
     PurgeCompletionSuggestionsMetadata,
     PurgeCompletionSuggestionsRequest,
@@ -177,9 +207,18 @@
     PurgeUserEventsRequest,
     PurgeUserEventsResponse,
 )
-from .rank_service import RankingRecord, RankRequest, RankResponse
-from .recommendation_service import RecommendRequest, RecommendResponse
-from .sample_query import SampleQuery
+from .rank_service import (
+    RankingRecord,
+    RankRequest,
+    RankResponse,
+)
+from .recommendation_service import (
+    RecommendRequest,
+    RecommendResponse,
+)
+from .sample_query import (
+    SampleQuery,
+)
 from .sample_query_service import (
     CreateSampleQueryRequest,
     DeleteSampleQueryRequest,
@@ -188,7 +227,9 @@
     ListSampleQueriesResponse,
     UpdateSampleQueryRequest,
 )
-from .sample_query_set import SampleQuerySet
+from .sample_query_set import (
+    SampleQuerySet,
+)
 from .sample_query_set_service import (
     CreateSampleQuerySetRequest,
     DeleteSampleQuerySetRequest,
@@ -197,7 +238,9 @@
     ListSampleQuerySetsResponse,
     UpdateSampleQuerySetRequest,
 )
-from .schema import Schema
+from .schema import (
+    Schema,
+)
 from .schema_service import (
     CreateSchemaMetadata,
     CreateSchemaRequest,
@@ -209,7 +252,10 @@
     UpdateSchemaMetadata,
     UpdateSchemaRequest,
 )
-from .search_service import SearchRequest, SearchResponse
+from .search_service import (
+    SearchRequest,
+    SearchResponse,
+)
 from .search_tuning_service import (
     ListCustomModelsRequest,
     ListCustomModelsResponse,
@@ -217,14 +263,19 @@
     TrainCustomModelRequest,
     TrainCustomModelResponse,
 )
-from .serving_config import ServingConfig
+from .serving_config import (
+    ServingConfig,
+)
 from .serving_config_service import (
     GetServingConfigRequest,
     ListServingConfigsRequest,
     ListServingConfigsResponse,
     UpdateServingConfigRequest,
 )
-from .session import Query, Session
+from .session import (
+    Query,
+    Session,
+)
 from .site_search_engine import (
     Sitemap,
     SiteSearchEngine,
@@ -276,7 +327,10 @@
     TransactionInfo,
     UserEvent,
 )
-from .user_event_service import CollectUserEventRequest, WriteUserEventRequest
+from .user_event_service import (
+    CollectUserEventRequest,
+    WriteUserEventRequest,
+)
 
 __all__ = (
     "Answer",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/answer.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/answer.py
index b4a969b6f684..5fdfd6c0beda 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/answer.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/answer.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
-import proto  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -73,6 +75,7 @@ class State(proto.Enum):
             SUCCEEDED (3):
                 Answer generation has succeeded.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         FAILED = 2
@@ -131,6 +134,7 @@ class AnswerSkippedReason(proto.Enum):
                 Google skips the answer if a well grounded
                 answer was unable to be generated.
         """
+
         ANSWER_SKIPPED_REASON_UNSPECIFIED = 0
         ADVERSARIAL_QUERY_IGNORED = 1
         NON_ANSWER_SEEKING_QUERY_IGNORED = 2
@@ -440,6 +444,7 @@ class State(proto.Enum):
                 SUCCEEDED (3):
                     Step has succeeded.
             """
+
             STATE_UNSPECIFIED = 0
             IN_PROGRESS = 1
             FAILED = 2
@@ -666,6 +671,7 @@ class Type(proto.Enum):
                         Non-answer-seeking query classification type,
                         for no clear intent.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/chunk.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/chunk.py
index 495c1b461a84..5d6f9afff977 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/chunk.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/chunk.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/common.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/common.py
index 77a3ec8f1d3f..b3cfdd4a5b61 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/common.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/common.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -51,6 +52,7 @@ class IndustryVertical(proto.Enum):
         HEALTHCARE_FHIR (7):
             The healthcare FHIR vertical.
     """
+
     INDUSTRY_VERTICAL_UNSPECIFIED = 0
     GENERIC = 1
     MEDIA = 2
@@ -76,6 +78,7 @@ class SolutionType(proto.Enum):
             data stores must enrolled with ``SOLUTION_TYPE_CHAT``
             solution.
     """
+
     SOLUTION_TYPE_UNSPECIFIED = 0
     SOLUTION_TYPE_RECOMMENDATION = 1
     SOLUTION_TYPE_SEARCH = 2
@@ -98,6 +101,7 @@ class SearchUseCase(proto.Enum):
             Browse use case. Expects the traffic has an empty
             [query][google.cloud.discoveryengine.v1beta.SearchRequest.query].
     """
+
     SEARCH_USE_CASE_UNSPECIFIED = 0
     SEARCH_USE_CASE_SEARCH = 1
     SEARCH_USE_CASE_BROWSE = 2
@@ -117,6 +121,7 @@ class SearchTier(proto.Enum):
         SEARCH_TIER_ENTERPRISE (2):
             Enterprise tier.
     """
+
     SEARCH_TIER_UNSPECIFIED = 0
     SEARCH_TIER_STANDARD = 1
     SEARCH_TIER_ENTERPRISE = 2
@@ -132,6 +137,7 @@ class SearchAddOn(proto.Enum):
         SEARCH_ADD_ON_LLM (1):
             Large language model add-on.
     """
+
     SEARCH_ADD_ON_UNSPECIFIED = 0
     SEARCH_ADD_ON_LLM = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion.py
index 0a8b684bf6a3..7007201f3831 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -54,6 +55,7 @@ class MatchOperator(proto.Enum):
             CONTAINS (2):
                 If the suggestion contains the block_phrase, then block it.
         """
+
         MATCH_OPERATOR_UNSPECIFIED = 0
         EXACT_MATCH = 1
         CONTAINS = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion_service.py
index e577c83b84f4..6ecd2edc27a9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/completion_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -52,24 +53,24 @@ class CompleteQueryRequest(proto.Message):
             model specified in the Configuration > Autocomplete section
             of the Cloud console. Currently supported values:
 
-            - ``document`` - Using suggestions generated from
-              user-imported documents.
-            - ``search-history`` - Using suggestions generated from the
-              past history of
-              [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
-              API calls. Do not use it when there is no traffic for
-              Search API.
-            - ``user-event`` - Using suggestions generated from
-              user-imported search events.
-            - ``document-completable`` - Using suggestions taken
-              directly from user-imported document fields marked as
-              completable.
+            -  ``document`` - Using suggestions generated from
+               user-imported documents.
+            -  ``search-history`` - Using suggestions generated from the
+               past history of
+               [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
+               API calls. Do not use it when there is no traffic for
+               Search API.
+            -  ``user-event`` - Using suggestions generated from
+               user-imported search events.
+            -  ``document-completable`` - Using suggestions taken
+               directly from user-imported document fields marked as
+               completable.
 
             Default values:
 
-            - ``document`` is the default model for regular dataStores.
-            - ``search-history`` is the default model for site search
-              dataStores.
+            -  ``document`` is the default model for regular dataStores.
+            -  ``search-history`` is the default model for site search
+               dataStores.
         user_pseudo_id (str):
             A unique identifier for tracking visitors. For example, this
             could be implemented with an HTTP cookie, which should be
@@ -199,24 +200,24 @@ class AdvancedCompleteQueryRequest(proto.Message):
             model specified in the Configuration > Autocomplete section
             of the Cloud console. Currently supported values:
 
-            - ``document`` - Using suggestions generated from
-              user-imported documents.
-            - ``search-history`` - Using suggestions generated from the
-              past history of
-              [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
-              API calls. Do not use it when there is no traffic for
-              Search API.
-            - ``user-event`` - Using suggestions generated from
-              user-imported search events.
-            - ``document-completable`` - Using suggestions taken
-              directly from user-imported document fields marked as
-              completable.
+            -  ``document`` - Using suggestions generated from
+               user-imported documents.
+            -  ``search-history`` - Using suggestions generated from the
+               past history of
+               [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search]
+               API calls. Do not use it when there is no traffic for
+               Search API.
+            -  ``user-event`` - Using suggestions generated from
+               user-imported search events.
+            -  ``document-completable`` - Using suggestions taken
+               directly from user-imported document fields marked as
+               completable.
 
             Default values:
 
-            - ``document`` is the default model for regular dataStores.
-            - ``search-history`` is the default model for site search
-              dataStores.
+            -  ``document`` is the default model for regular dataStores.
+            -  ``search-history`` is the default model for site search
+               dataStores.
         user_pseudo_id (str):
             A unique identifier for tracking visitors. For example, this
             could be implemented with an HTTP cookie, which should be
@@ -275,6 +276,7 @@ class SuggestionType(proto.Enum):
             GOOGLE_WORKSPACE (5):
                 Returns Google Workspace suggestions.
         """
+
         SUGGESTION_TYPE_UNSPECIFIED = 0
         QUERY = 1
         PEOPLE = 2
@@ -312,8 +314,8 @@ class ConditionBoostSpec(proto.Message):
 
                     Example:
 
-                    - To boost suggestions in languages ``en`` or ``fr``:
-                      ``(lang_code: ANY("en", "fr"))``
+                    -  To boost suggestions in languages ``en`` or ``fr``:
+                       ``(lang_code: ANY("en", "fr"))``
                 boost (float):
                     Strength of the boost, which should be in [-1, 1]. Negative
                     boost means demotion. Default is 0.0.
@@ -472,6 +474,7 @@ class PersonType(proto.Enum):
                 THIRD_PARTY_IDENTITY (2):
                     The suggestion is from a THIRD_PARTY_IDENTITY source.
             """
+
             PERSON_TYPE_UNSPECIFIED = 0
             CLOUD_IDENTITY = 1
             THIRD_PARTY_IDENTITY = 2
@@ -525,6 +528,7 @@ class ContentType(proto.Enum):
                 THIRD_PARTY (2):
                     The suggestion is from a third party source.
             """
+
             CONTENT_TYPE_UNSPECIFIED = 0
             GOOGLE_WORKSPACE = 1
             THIRD_PARTY = 2
@@ -589,12 +593,12 @@ class RecentSearchSuggestion(proto.Message):
         number=4,
         message=ContentSuggestion,
     )
-    recent_search_suggestions: MutableSequence[
-        RecentSearchSuggestion
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=5,
-        message=RecentSearchSuggestion,
+    recent_search_suggestions: MutableSequence[RecentSearchSuggestion] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=5,
+            message=RecentSearchSuggestion,
+        )
     )
 
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control.py
index 18f251314407..a5e6a292e6f2 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control_service.py
index 0f75538cf8ef..15135e055ccd 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/control_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -80,8 +81,8 @@ class UpdateControlRequest(proto.Message):
             [Control][google.cloud.discoveryengine.v1beta.Control] to
             update. The following are NOT supported:
 
-            - [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
-            - [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
+            -  [Control.name][google.cloud.discoveryengine.v1beta.Control.name]
+            -  [Control.solution_type][google.cloud.discoveryengine.v1beta.Control.solution_type]
 
             If not set or empty, all supported fields are updated.
     """
@@ -150,9 +151,9 @@ class ListControlsRequest(proto.Message):
             Optional. A filter to apply on the list results. Supported
             features:
 
-            - List all the products under the parent branch if
-              [filter][google.cloud.discoveryengine.v1beta.ListControlsRequest.filter]
-              is unset. Currently this field is unsupported.
+            -  List all the products under the parent branch if
+               [filter][google.cloud.discoveryengine.v1beta.ListControlsRequest.filter]
+               is unset. Currently this field is unsupported.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversation.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversation.py
index 55405fdd47db..187bbd01ecc9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversation.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversation.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -68,6 +69,7 @@ class State(proto.Enum):
             COMPLETED (2):
                 Conversation has been completed.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
         COMPLETED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversational_search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversational_search_service.py
index 17b66604760f..72e598c04617 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/conversational_search_service.py
@@ -17,13 +17,14 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1beta.types import answer as gcd_answer
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -80,20 +81,20 @@ class ConverseConversationRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -203,12 +204,12 @@ class ConverseConversationResponse(proto.Message):
         proto.STRING,
         number=6,
     )
-    search_results: MutableSequence[
-        search_service.SearchResponse.SearchResult
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=3,
-        message=search_service.SearchResponse.SearchResult,
+    search_results: MutableSequence[search_service.SearchResponse.SearchResult] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=3,
+            message=search_service.SearchResponse.SearchResult,
+        )
     )
 
 
@@ -245,7 +246,7 @@ class UpdateConversationRequest(proto.Message):
             [Conversation][google.cloud.discoveryengine.v1beta.Conversation]
             to update. The following are NOT supported:
 
-            - [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
+            -  [Conversation.name][google.cloud.discoveryengine.v1beta.Conversation.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -318,9 +319,9 @@ class ListConversationsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``conversation_name``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``conversation_name``
 
             Example: "update_time desc" "create_time".
     """
@@ -441,20 +442,20 @@ class AnswerQueryRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -516,6 +517,7 @@ class FilteringLevel(proto.Enum):
                 FILTERING_LEVEL_HIGH (2):
                     Filter answers based on a high threshold.
             """
+
             FILTERING_LEVEL_UNSPECIFIED = 0
             FILTERING_LEVEL_LOW = 1
             FILTERING_LEVEL_HIGH = 2
@@ -1042,6 +1044,7 @@ class Type(proto.Enum):
                         Non-answer-seeking query classification type,
                         for no clear intent.
                 """
+
                 TYPE_UNSPECIFIED = 0
                 ADVERSARIAL_QUERY = 1
                 NON_ANSWER_SEEKING_QUERY = 2
@@ -1234,7 +1237,7 @@ class UpdateSessionRequest(proto.Message):
             [Session][google.cloud.discoveryengine.v1beta.Session] to
             update. The following are NOT supported:
 
-            - [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
+            -  [Session.name][google.cloud.discoveryengine.v1beta.Session.name]
 
             If not set or empty, all supported fields are updated.
     """
@@ -1307,14 +1310,14 @@ class ListSessionsRequest(proto.Message):
             A comma-separated list of fields to filter by, in EBNF
             grammar. The supported fields are:
 
-            - ``user_pseudo_id``
-            - ``state``
-            - ``display_name``
-            - ``starred``
-            - ``is_pinned``
-            - ``labels``
-            - ``create_time``
-            - ``update_time``
+            -  ``user_pseudo_id``
+            -  ``state``
+            -  ``display_name``
+            -  ``starred``
+            -  ``is_pinned``
+            -  ``labels``
+            -  ``create_time``
+            -  ``update_time``
 
             Examples: "user_pseudo_id = some_id" "display_name =
             "some_name"" "starred = true" "is_pinned=true AND (NOT
@@ -1324,17 +1327,17 @@ class ListSessionsRequest(proto.Message):
             ascending order. Use "desc" after a field name for
             descending. Supported fields:
 
-            - ``update_time``
-            - ``create_time``
-            - ``session_name``
-            - ``is_pinned``
+            -  ``update_time``
+            -  ``create_time``
+            -  ``session_name``
+            -  ``is_pinned``
 
             Example:
 
-            - "update_time desc"
-            - "create_time"
-            - "is_pinned desc,update_time desc": list sessions by
-              is_pinned first, then by update_time.
+            -  "update_time desc"
+            -  "create_time"
+            -  "is_pinned desc,update_time desc": list sessions by
+               is_pinned first, then by update_time.
     """
 
     parent: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/custom_tuning_model.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/custom_tuning_model.py
index 6f67d52fa25d..ea84fc84d08d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/custom_tuning_model.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/custom_tuning_model.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -83,6 +85,7 @@ class ModelState(proto.Enum):
                 Input data validation failed. Model training
                 didn't start.
         """
+
         MODEL_STATE_UNSPECIFIED = 0
         TRAINING_PAUSED = 1
         TRAINING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store.py
index 76f64b5352c7..9f3704d001a5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store.py
@@ -17,14 +17,15 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -62,10 +63,11 @@ class DataStore(proto.Message):
             solutions for each
             [industry_vertical][google.cloud.discoveryengine.v1beta.DataStore.industry_vertical]:
 
-            - ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
-              ``SOLUTION_TYPE_SEARCH``.
-            - ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is automatically
-              enrolled. Other solutions cannot be enrolled.
+            -  ``MEDIA``: ``SOLUTION_TYPE_RECOMMENDATION`` and
+               ``SOLUTION_TYPE_SEARCH``.
+            -  ``SITE_SEARCH``: ``SOLUTION_TYPE_SEARCH`` is
+               automatically enrolled. Other solutions cannot be
+               enrolled.
         default_schema_id (str):
             Output only. The id of the default
             [Schema][google.cloud.discoveryengine.v1beta.Schema]
@@ -138,6 +140,7 @@ class ContentConfig(proto.Enum):
                 workspace data store are specified in the
                 [WorkspaceConfig][google.cloud.discoveryengine.v1beta.WorkspaceConfig].
         """
+
         CONTENT_CONFIG_UNSPECIFIED = 0
         NO_CONTENT = 1
         CONTENT_REQUIRED = 2
@@ -342,6 +345,7 @@ class Mode(proto.Enum):
                 Natural Language Query Understanding is
                 enabled.
         """
+
         MODE_UNSPECIFIED = 0
         DISABLED = 1
         ENABLED = 2
@@ -396,6 +400,7 @@ class Type(proto.Enum):
             GOOGLE_KEEP (7):
                 Workspace Data Store contains Keep data
         """
+
         TYPE_UNSPECIFIED = 0
         GOOGLE_DRIVE = 1
         GOOGLE_MAIL = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store_service.py
index faf087d44736..b3f094a5f228 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/data_store_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document.py
index d673a125fca2..de4f779ac886 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document.py
@@ -17,10 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -95,11 +97,11 @@ class Document(proto.Message):
         index_status (google.cloud.discoveryengine_v1beta.types.Document.IndexStatus):
             Output only. The index status of the document.
 
-            - If document is indexed successfully, the index_time field
-              is populated.
-            - Otherwise, if document is not indexed due to errors, the
-              error_samples field is populated.
-            - Otherwise, index_status is unset.
+            -  If document is indexed successfully, the index_time field
+               is populated.
+            -  Otherwise, if document is not indexed due to errors, the
+               error_samples field is populated.
+            -  Otherwise, index_status is unset.
     """
 
     class Content(proto.Message):
@@ -135,14 +137,14 @@ class Content(proto.Message):
             mime_type (str):
                 The MIME type of the content. Supported types:
 
-                - ``application/pdf`` (PDF, only native PDFs are supported
-                  for now)
-                - ``text/html`` (HTML)
-                - ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
-                  (DOCX)
-                - ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
-                  (PPTX)
-                - ``text/plain`` (TXT)
+                -  ``application/pdf`` (PDF, only native PDFs are supported
+                   for now)
+                -  ``text/html`` (HTML)
+                -  ``application/vnd.openxmlformats-officedocument.wordprocessingml.document``
+                   (DOCX)
+                -  ``application/vnd.openxmlformats-officedocument.presentationml.presentation``
+                   (PPTX)
+                -  ``text/plain`` (TXT)
 
                 See
                 https://www.iana.org/assignments/media-types/media-types.xhtml.
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_processing_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_processing_config.py
index d5840f2ac08f..d48af0cd1af9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_processing_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_processing_config.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -54,19 +55,19 @@ class DocumentProcessingConfig(proto.Message):
             Map from file type to override the default parsing
             configuration based on the file type. Supported keys:
 
-            - ``pdf``: Override parsing config for PDF files, either
-              digital parsing, ocr parsing or layout parsing is
-              supported.
-            - ``html``: Override parsing config for HTML files, only
-              digital parsing and layout parsing are supported.
-            - ``docx``: Override parsing config for DOCX files, only
-              digital parsing and layout parsing are supported.
-            - ``pptx``: Override parsing config for PPTX files, only
-              digital parsing and layout parsing are supported.
-            - ``xlsm``: Override parsing config for XLSM files, only
-              digital parsing and layout parsing are supported.
-            - ``xlsx``: Override parsing config for XLSX files, only
-              digital parsing and layout parsing are supported.
+            -  ``pdf``: Override parsing config for PDF files, either
+               digital parsing, ocr parsing or layout parsing is
+               supported.
+            -  ``html``: Override parsing config for HTML files, only
+               digital parsing and layout parsing are supported.
+            -  ``docx``: Override parsing config for DOCX files, only
+               digital parsing and layout parsing are supported.
+            -  ``pptx``: Override parsing config for PPTX files, only
+               digital parsing and layout parsing are supported.
+            -  ``xlsm``: Override parsing config for XLSM files, only
+               digital parsing and layout parsing are supported.
+            -  ``xlsx``: Override parsing config for XLSX files, only
+               digital parsing and layout parsing are supported.
     """
 
     class ChunkingConfig(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_service.py
index 35a4e549e55b..6f38281393a8 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/document_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -395,6 +396,7 @@ class State(proto.Enum):
                 The [Document][google.cloud.discoveryengine.v1beta.Document]
                 is not indexed.
         """
+
         STATE_UNSPECIFIED = 0
         INDEXED = 1
         NOT_IN_TARGET_SITE = 2
@@ -420,10 +422,10 @@ class DocumentMetadata(proto.Message):
 
                 Allowed values are:
 
-                - ``batch``: Data ingested via Batch API, e.g.,
-                  ImportDocuments.
-                - ``streaming`` Data ingested via Streaming API, e.g., FHIR
-                  streaming.
+                -  ``batch``: Data ingested via Batch API, e.g.,
+                   ImportDocuments.
+                -  ``streaming`` Data ingested via Streaming API, e.g., FHIR
+                   streaming.
         """
 
         class MatcherValue(proto.Message):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine.py
index ae9bd23a98af..8a3368f98178 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import common
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine_service.py
index da3b04f82745..01153f8c2be9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/engine_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation.py
index 3eaa5a067c45..e9ef4cd5db4a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -92,6 +93,7 @@ class State(proto.Enum):
             FAILED (4):
                 The evaluation failed.
         """
+
         STATE_UNSPECIFIED = 0
         PENDING = 1
         RUNNING = 2
@@ -112,13 +114,13 @@ class EvaluationSpec(proto.Message):
                 supported; if any other fields are provided, an UNSUPPORTED
                 error will be returned:
 
-                - [SearchRequest.serving_config][google.cloud.discoveryengine.v1beta.SearchRequest.serving_config]
-                - [SearchRequest.branch][google.cloud.discoveryengine.v1beta.SearchRequest.branch]
-                - [SearchRequest.canonical_filter][google.cloud.discoveryengine.v1beta.SearchRequest.canonical_filter]
-                - [SearchRequest.query_expansion_spec][google.cloud.discoveryengine.v1beta.SearchRequest.query_expansion_spec]
-                - [SearchRequest.spell_correction_spec][google.cloud.discoveryengine.v1beta.SearchRequest.spell_correction_spec]
-                - [SearchRequest.content_search_spec][google.cloud.discoveryengine.v1beta.SearchRequest.content_search_spec]
-                - [SearchRequest.user_pseudo_id][google.cloud.discoveryengine.v1beta.SearchRequest.user_pseudo_id]
+                -  [SearchRequest.serving_config][google.cloud.discoveryengine.v1beta.SearchRequest.serving_config]
+                -  [SearchRequest.branch][google.cloud.discoveryengine.v1beta.SearchRequest.branch]
+                -  [SearchRequest.canonical_filter][google.cloud.discoveryengine.v1beta.SearchRequest.canonical_filter]
+                -  [SearchRequest.query_expansion_spec][google.cloud.discoveryengine.v1beta.SearchRequest.query_expansion_spec]
+                -  [SearchRequest.spell_correction_spec][google.cloud.discoveryengine.v1beta.SearchRequest.spell_correction_spec]
+                -  [SearchRequest.content_search_spec][google.cloud.discoveryengine.v1beta.SearchRequest.content_search_spec]
+                -  [SearchRequest.user_pseudo_id][google.cloud.discoveryengine.v1beta.SearchRequest.user_pseudo_id]
 
                 This field is a member of `oneof`_ ``search_spec``.
             query_set_spec (google.cloud.discoveryengine_v1beta.types.Evaluation.EvaluationSpec.QuerySetSpec):
@@ -206,10 +208,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
-              If 3 out of 5 relevant documents are retrieved in the
-              top-5, recall@5 = 3/5 = 0.6
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
+               If 3 out of 5 relevant documents are retrieved in the
+               top-5, recall@5 = 3/5 = 0.6
         doc_precision (google.cloud.discoveryengine_v1beta.types.QualityMetrics.TopkMetrics):
             Precision per document, at various top-k cutoff levels.
 
@@ -218,10 +220,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
-              If 4 out of 5 retrieved documents in the top-5 are
-              relevant, precision@5 = 4/5 = 0.8
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
+               If 4 out of 5 retrieved documents in the top-5 are
+               relevant, precision@5 = 4/5 = 0.8
         doc_ndcg (google.cloud.discoveryengine_v1beta.types.QualityMetrics.TopkMetrics):
             Normalized discounted cumulative gain (NDCG) per document,
             at various top-k cutoff levels.
@@ -250,10 +252,10 @@ class QualityMetrics(proto.Message):
 
             Example (top-5):
 
-            - For a single
-              [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
-              if 3 out of 5 relevant pages are retrieved in the top-5,
-              recall@5 = 3/5 = 0.6
+            -  For a single
+               [SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery],
+               if 3 out of 5 relevant pages are retrieved in the top-5,
+               recall@5 = 3/5 = 0.6
         page_ndcg (google.cloud.discoveryengine_v1beta.types.QualityMetrics.TopkMetrics):
             Normalized discounted cumulative gain (NDCG) per page, at
             various top-k cutoff levels.
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation_service.py
index 5f46e95ab5ac..c495aece3752 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/evaluation_service.py
@@ -22,6 +22,7 @@
 from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
 from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounded_generation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounded_generation_service.py
index e17521198310..8fa27e07aaff 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounded_generation_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1beta.types import grounding
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -108,20 +109,20 @@ class GenerateGroundedContentRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -248,6 +249,7 @@ class Version(proto.Enum):
                         The V1 model which is evaluating each source
                         independently.
                 """
+
                 VERSION_UNSPECIFIED = 0
                 V1_INDEPENDENT = 1
 
@@ -310,12 +312,12 @@ class InlineSource(proto.Message):
                     author of the content).
             """
 
-            grounding_facts: MutableSequence[
-                grounding.GroundingFact
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=1,
-                message=grounding.GroundingFact,
+            grounding_facts: MutableSequence[grounding.GroundingFact] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=1,
+                    message=grounding.GroundingFact,
+                )
             )
             attributes: MutableMapping[str, str] = proto.MapField(
                 proto.STRING,
@@ -529,6 +531,7 @@ class Source(proto.Enum):
                         GOOGLE_MAPS (4):
                             Google Maps.
                     """
+
                     SOURCE_UNSPECIFIED = 0
                     VERTEX_AI_SEARCH = 1
                     GOOGLE_SEARCH = 3
@@ -591,6 +594,7 @@ class Version(proto.Enum):
                             The V1 model which is evaluating each source
                             independently.
                     """
+
                     VERSION_UNSPECIFIED = 0
                     V1_INDEPENDENT = 1
 
@@ -763,20 +767,20 @@ class CheckGroundingRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounding.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounding.py
index c0a16c4c7d73..c157c1ff7bd9 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounding.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/grounding.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/import_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/import_config.py
index c1458f15a46d..82413bfada31 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/import_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/import_config.py
@@ -17,18 +17,17 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1beta.types import completion
+from google.cloud.discoveryengine_v1beta.types import document
+from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import user_event
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import (
-    completion,
-    document,
-    sample_query,
-    user_event,
-)
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -81,30 +80,30 @@ class GcsSource(proto.Message):
 
             Supported values for document imports:
 
-            - ``document`` (default): One JSON
-              [Document][google.cloud.discoveryengine.v1beta.Document]
-              per line. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1beta.Document.id].
-            - ``content``: Unstructured data (e.g. PDF, HTML). Each file
-              matched by ``input_uris`` becomes a document, with the ID
-              set to the first 128 bits of SHA256(URI) encoded as a hex
-              string.
-            - ``custom``: One custom data JSON per row in arbitrary
-              format that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1beta.Schema] of
-              the data store. This can only be used by the GENERIC Data
-              Store vertical.
-            - ``csv``: A CSV file with header conforming to the defined
-              [Schema][google.cloud.discoveryengine.v1beta.Schema] of
-              the data store. Each entry after the header is imported as
-              a Document. This can only be used by the GENERIC Data
-              Store vertical.
+            -  ``document`` (default): One JSON
+               [Document][google.cloud.discoveryengine.v1beta.Document]
+               per line. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1beta.Document.id].
+            -  ``content``: Unstructured data (e.g. PDF, HTML). Each
+               file matched by ``input_uris`` becomes a document, with
+               the ID set to the first 128 bits of SHA256(URI) encoded
+               as a hex string.
+            -  ``custom``: One custom data JSON per row in arbitrary
+               format that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1beta.Schema] of
+               the data store. This can only be used by the GENERIC Data
+               Store vertical.
+            -  ``csv``: A CSV file with header conforming to the defined
+               [Schema][google.cloud.discoveryengine.v1beta.Schema] of
+               the data store. Each entry after the header is imported
+               as a Document. This can only be used by the GENERIC Data
+               Store vertical.
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One JSON
-              [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent]
-              per line.
+            -  ``user_event`` (default): One JSON
+               [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent]
+               per line.
     """
 
     input_uris: MutableSequence[str] = proto.RepeatedField(
@@ -151,25 +150,25 @@ class BigQuerySource(proto.Message):
 
             Supported values for user event imports:
 
-            - ``user_event`` (default): One
-              [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent]
-              per row.
+            -  ``user_event`` (default): One
+               [UserEvent][google.cloud.discoveryengine.v1beta.UserEvent]
+               per row.
 
             Supported values for document imports:
 
-            - ``document`` (default): One
-              [Document][google.cloud.discoveryengine.v1beta.Document]
-              format per row. Each document must have a valid
-              [Document.id][google.cloud.discoveryengine.v1beta.Document.id]
-              and one of
-              [Document.json_data][google.cloud.discoveryengine.v1beta.Document.json_data]
-              or
-              [Document.struct_data][google.cloud.discoveryengine.v1beta.Document.struct_data].
-            - ``custom``: One custom data per row in arbitrary format
-              that conforms to the defined
-              [Schema][google.cloud.discoveryengine.v1beta.Schema] of
-              the data store. This can only be used by the GENERIC Data
-              Store vertical.
+            -  ``document`` (default): One
+               [Document][google.cloud.discoveryengine.v1beta.Document]
+               format per row. Each document must have a valid
+               [Document.id][google.cloud.discoveryengine.v1beta.Document.id]
+               and one of
+               [Document.json_data][google.cloud.discoveryengine.v1beta.Document.json_data]
+               or
+               [Document.struct_data][google.cloud.discoveryengine.v1beta.Document.struct_data].
+            -  ``custom``: One custom data per row in arbitrary format
+               that conforms to the defined
+               [Schema][google.cloud.discoveryengine.v1beta.Schema] of
+               the data store. This can only be used by the GENERIC Data
+               Store vertical.
     """
 
     partition_date: date_pb2.Date = proto.Field(
@@ -286,6 +285,7 @@ class Type(proto.Enum):
             JSON (7):
                 JSON type.
         """
+
         TYPE_UNSPECIFIED = 0
         STRING = 1
         NUMBER = 2
@@ -306,6 +306,7 @@ class Encoding(proto.Enum):
             BINARY (2):
                 Binary encoding.
         """
+
         ENCODING_UNSPECIFIED = 0
         TEXT = 1
         BINARY = 2
@@ -325,11 +326,11 @@ class BigtableColumnFamily(proto.Message):
                 The encoding mode of the values when the type is not STRING.
                 Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1beta.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -354,12 +355,12 @@ class BigtableColumnFamily(proto.Message):
             number=3,
             enum="BigtableOptions.Type",
         )
-        columns: MutableSequence[
-            "BigtableOptions.BigtableColumn"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=4,
-            message="BigtableOptions.BigtableColumn",
+        columns: MutableSequence["BigtableOptions.BigtableColumn"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=4,
+                message="BigtableOptions.BigtableColumn",
+            )
         )
 
     class BigtableColumn(proto.Message):
@@ -381,11 +382,11 @@ class BigtableColumn(proto.Message):
                 The encoding mode of the values when the type is not
                 ``STRING``. Acceptable encoding values are:
 
-                - ``TEXT``: indicates values are alphanumeric text strings.
-                - ``BINARY``: indicates values are encoded using
-                  ``HBase Bytes.toBytes`` family of functions. This can be
-                  overridden for a specific column by listing that column in
-                  ``columns`` and specifying an encoding for it.
+                -  ``TEXT``: indicates values are alphanumeric text strings.
+                -  ``BINARY``: indicates values are encoded using
+                   ``HBase Bytes.toBytes`` family of functions. This can be
+                   overridden for a specific column by listing that column
+                   in ``columns`` and specifying an encoding for it.
             type_ (google.cloud.discoveryengine_v1beta.types.BigtableOptions.Type):
                 The type of values in this column family. The values are
                 expected to be encoded using ``HBase Bytes.toBytes``
@@ -972,18 +973,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1beta.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1beta.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1beta.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1beta.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1beta.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1beta.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1beta.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1beta.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1beta.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1beta.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1beta.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1beta.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1beta.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1beta.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1beta.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1beta.BigtableSource].
         id_field (str):
             The field indicates the ID field or column to be used as
             unique IDs of the documents.
@@ -1013,18 +1014,18 @@ class ImportDocumentsRequest(proto.Message):
 
             Supported data sources:
 
-            - [GcsSource][google.cloud.discoveryengine.v1beta.GcsSource].
-              [GcsSource.data_schema][google.cloud.discoveryengine.v1beta.GcsSource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [BigQuerySource][google.cloud.discoveryengine.v1beta.BigQuerySource].
-              [BigQuerySource.data_schema][google.cloud.discoveryengine.v1beta.BigQuerySource.data_schema]
-              must be ``custom`` or ``csv``. Otherwise, an
-              INVALID_ARGUMENT error is thrown.
-            - [SpannerSource][google.cloud.discoveryengine.v1beta.SpannerSource].
-            - [CloudSqlSource][google.cloud.discoveryengine.v1beta.CloudSqlSource].
-            - [FirestoreSource][google.cloud.discoveryengine.v1beta.FirestoreSource].
-            - [BigtableSource][google.cloud.discoveryengine.v1beta.BigtableSource].
+            -  [GcsSource][google.cloud.discoveryengine.v1beta.GcsSource].
+               [GcsSource.data_schema][google.cloud.discoveryengine.v1beta.GcsSource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [BigQuerySource][google.cloud.discoveryengine.v1beta.BigQuerySource].
+               [BigQuerySource.data_schema][google.cloud.discoveryengine.v1beta.BigQuerySource.data_schema]
+               must be ``custom`` or ``csv``. Otherwise, an
+               INVALID_ARGUMENT error is thrown.
+            -  [SpannerSource][google.cloud.discoveryengine.v1beta.SpannerSource].
+            -  [CloudSqlSource][google.cloud.discoveryengine.v1beta.CloudSqlSource].
+            -  [FirestoreSource][google.cloud.discoveryengine.v1beta.FirestoreSource].
+            -  [BigtableSource][google.cloud.discoveryengine.v1beta.BigtableSource].
     """
 
     class ReconciliationMode(proto.Enum):
@@ -1043,6 +1044,7 @@ class ReconciliationMode(proto.Enum):
                 deleted if they are not present in the source
                 location.
         """
+
         RECONCILIATION_MODE_UNSPECIFIED = 0
         INCREMENTAL = 1
         FULL = 2
@@ -1201,8 +1203,8 @@ class ImportSuggestionDenyListEntriesRequest(proto.Message):
             import. Supported values ``gcs_source.schema`` for
             autocomplete suggestion deny list entry imports:
 
-            - ``suggestion_deny_list`` (default): One JSON
-              [SuggestionDenyListEntry] per line.
+            -  ``suggestion_deny_list`` (default): One JSON
+               [SuggestionDenyListEntry] per line.
 
             This field is a member of `oneof`_ ``source``.
         parent (str):
@@ -1220,12 +1222,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        entries: MutableSequence[
-            completion.SuggestionDenyListEntry
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.SuggestionDenyListEntry,
+        entries: MutableSequence[completion.SuggestionDenyListEntry] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.SuggestionDenyListEntry,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
@@ -1348,12 +1350,12 @@ class InlineSource(proto.Message):
                 import. Max of 1000 items.
         """
 
-        suggestions: MutableSequence[
-            completion.CompletionSuggestion
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=1,
-            message=completion.CompletionSuggestion,
+        suggestions: MutableSequence[completion.CompletionSuggestion] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=1,
+                message=completion.CompletionSuggestion,
+            )
         )
 
     inline_source: InlineSource = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project.py
index 63d811e112e3..e8c98a060cd1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -60,11 +62,11 @@ class ServiceTerms(proto.Message):
                 The unique identifier of this terms of service. Available
                 terms:
 
-                - ``GA_DATA_USE_TERMS``: `Terms for data
-                  use <https://cloud.google.com/retail/data-use-terms>`__.
-                  When using this as ``id``, the acceptable
-                  [version][google.cloud.discoveryengine.v1beta.Project.ServiceTerms.version]
-                  to provide is ``2022-11-23``.
+                -  ``GA_DATA_USE_TERMS``: `Terms for data
+                   use <https://cloud.google.com/retail/data-use-terms>`__.
+                   When using this as ``id``, the acceptable
+                   [version][google.cloud.discoveryengine.v1beta.Project.ServiceTerms.version]
+                   to provide is ``2022-11-23``.
             version (str):
                 The version string of the terms of service. For acceptable
                 values, see the comments for
@@ -98,6 +100,7 @@ class State(proto.Enum):
                     The project has declined or revoked the
                     agreement to terms of service.
             """
+
             STATE_UNSPECIFIED = 0
             TERMS_ACCEPTED = 1
             TERMS_PENDING = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project_service.py
index 45ddb4a7693e..f2fa0b245680 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/project_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/purge_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/purge_config.py
index 56a18e79d469..8372cb3bea6a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/purge_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/purge_config.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.rpc import status_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import import_config
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.rpc import status_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -56,23 +57,23 @@ class PurgeUserEventsRequest(proto.Message):
             deleted with a length limit of 5,000 characters. The
             eligible fields for filtering are:
 
-            - ``eventType``: Double quoted
-              [UserEvent.event_type][google.cloud.discoveryengine.v1beta.UserEvent.event_type]
-              string.
-            - ``eventTime``: in ISO 8601 "zulu" format.
-            - ``userPseudoId``: Double quoted string. Specifying this
-              will delete all events associated with a visitor.
-            - ``userId``: Double quoted string. Specifying this will
-              delete all events associated with a user.
+            -  ``eventType``: Double quoted
+               [UserEvent.event_type][google.cloud.discoveryengine.v1beta.UserEvent.event_type]
+               string.
+            -  ``eventTime``: in ISO 8601 "zulu" format.
+            -  ``userPseudoId``: Double quoted string. Specifying this
+               will delete all events associated with a visitor.
+            -  ``userId``: Double quoted string. Specifying this will
+               delete all events associated with a user.
 
             Examples:
 
-            - Deleting all events in a time range:
-              ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
-            - Deleting specific eventType: ``eventType = "search"``
-            - Deleting all events for a specific visitor:
-              ``userPseudoId = "visitor1024"``
-            - Deleting all events inside a DataStore: ``*``
+            -  Deleting all events in a time range:
+               ``eventTime > "2012-04-23T18:25:43.511Z" eventTime < "2012-04-23T18:30:43.511Z"``
+            -  Deleting specific eventType: ``eventType = "search"``
+            -  Deleting all events for a specific visitor:
+               ``userPseudoId = "visitor1024"``
+            -  Deleting all events inside a DataStore: ``*``
 
             The filtering fields are assumed to have an implicit AND.
         force (bool):
@@ -193,9 +194,9 @@ class PurgeDocumentsRequest(proto.Message):
             Cloud Storage location for the input content. Supported
             ``data_schema``:
 
-            - ``document_id``: One valid
-              [Document.id][google.cloud.discoveryengine.v1beta.Document.id]
-              per line.
+            -  ``document_id``: One valid
+               [Document.id][google.cloud.discoveryengine.v1beta.Document.id]
+               per line.
 
             This field is a member of `oneof`_ ``source``.
         inline_source (google.cloud.discoveryengine_v1beta.types.PurgeDocumentsRequest.InlineSource):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/rank_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/rank_service.py
index 8ef6ba5911c0..c39a963066c5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/rank_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/rank_service.py
@@ -19,6 +19,7 @@
 
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -85,8 +86,8 @@ class RankRequest(proto.Message):
         model (str):
             The identifier of the model to use. It is one of:
 
-            - ``semantic-ranker-512@latest``: Semantic ranking model
-              with maxiumn input token size 512.
+            -  ``semantic-ranker-512@latest``: Semantic ranking model
+               with maxiumn input token size 512.
 
             It is set to ``semantic-ranker-512@latest`` by default if
             unspecified.
@@ -107,20 +108,20 @@ class RankRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/recommendation_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/recommendation_service.py
index 51d09981d87b..27f69ccebd9a 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/recommendation_service.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import user_event as gcd_user_event
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import user_event as gcd_user_event
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -84,18 +85,18 @@ class RecommendRequest(proto.Message):
 
             Examples:
 
-            - ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
-            - ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
+            -  ``(filter_tags: ANY("Red", "Blue") OR filter_tags: ANY("Hot", "Cold"))``
+            -  ``(filter_tags: ANY("Red", "Blue")) AND NOT (filter_tags: ANY("Green"))``
 
             If ``attributeFilteringSyntax`` is set to true under the
             ``params`` field, then attribute-based expressions are
             expected instead of the above described tag-based syntax.
             Examples:
 
-            - (launguage: ANY("en", "es")) AND NOT (categories:
-              ANY("Movie"))
-            - (available: true) AND (launguage: ANY("en", "es")) OR
-              (categories: ANY("Movie"))
+            -  (launguage: ANY("en", "es")) AND NOT (categories:
+               ANY("Movie"))
+            -  (available: true) AND (launguage: ANY("en", "es")) OR
+               (categories: ANY("Movie"))
 
             If your filter blocks all results, the API returns generic
             (unfiltered) popular Documents. If you only want results
@@ -119,51 +120,51 @@ class RecommendRequest(proto.Message):
 
             Allowed values:
 
-            - ``returnDocument``: Boolean. If set to ``true``, the
-              associated Document object is returned in
-              [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1beta.RecommendResponse.RecommendationResult.document].
-            - ``returnScore``: Boolean. If set to true, the
-              recommendation score corresponding to each returned
-              Document is set in
-              [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1beta.RecommendResponse.RecommendationResult.metadata].
-              The given score indicates the probability of a Document
-              conversion given the user's context and history.
-            - ``strictFiltering``: Boolean. True by default. If set to
-              ``false``, the service returns generic (unfiltered)
-              popular Documents instead of empty if your filter blocks
-              all recommendation results.
-            - ``diversityLevel``: String. Default empty. If set to be
-              non-empty, then it needs to be one of:
-
-              - ``no-diversity``
-              - ``low-diversity``
-              - ``medium-diversity``
-              - ``high-diversity``
-              - ``auto-diversity`` This gives request-level control and
-                adjusts recommendation results based on Document
-                category.
-
-            - ``attributeFilteringSyntax``: Boolean. False by default.
-              If set to true, the ``filter`` field is interpreted
-              according to the new, attribute-based syntax.
+            -  ``returnDocument``: Boolean. If set to ``true``, the
+               associated Document object is returned in
+               [RecommendResponse.RecommendationResult.document][google.cloud.discoveryengine.v1beta.RecommendResponse.RecommendationResult.document].
+            -  ``returnScore``: Boolean. If set to true, the
+               recommendation score corresponding to each returned
+               Document is set in
+               [RecommendResponse.RecommendationResult.metadata][google.cloud.discoveryengine.v1beta.RecommendResponse.RecommendationResult.metadata].
+               The given score indicates the probability of a Document
+               conversion given the user's context and history.
+            -  ``strictFiltering``: Boolean. True by default. If set to
+               ``false``, the service returns generic (unfiltered)
+               popular Documents instead of empty if your filter blocks
+               all recommendation results.
+            -  ``diversityLevel``: String. Default empty. If set to be
+               non-empty, then it needs to be one of:
+
+               -  ``no-diversity``
+               -  ``low-diversity``
+               -  ``medium-diversity``
+               -  ``high-diversity``
+               -  ``auto-diversity`` This gives request-level control
+                  and adjusts recommendation results based on Document
+                  category.
+
+            -  ``attributeFilteringSyntax``: Boolean. False by default.
+               If set to true, the ``filter`` field is interpreted
+               according to the new, attribute-based syntax.
         user_labels (MutableMapping[str, str]):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Requirements for
             labels <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -242,9 +243,9 @@ class RecommendationResult(proto.Message):
 
                 Possible values:
 
-                - ``score``: Recommendation score in double value. Is set if
-                  ``returnScore`` is set to true in
-                  [RecommendRequest.params][google.cloud.discoveryengine.v1beta.RecommendRequest.params].
+                -  ``score``: Recommendation score in double value. Is set
+                   if ``returnScore`` is set to true in
+                   [RecommendRequest.params][google.cloud.discoveryengine.v1beta.RecommendRequest.params].
         """
 
         id: str = proto.Field(
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query.py
index 90d23995902d..306ec32d8519 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_service.py
index 44db4975b6ce..dfc75bbe9aa5 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set.py
index 83ae097221ad..7efae648e3a3 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set_service.py
index 1dab3c6377bd..617c6a3c1f3c 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/sample_query_set_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -135,12 +136,12 @@ class ListSampleQuerySetsResponse(proto.Message):
     def raw_page(self):
         return self
 
-    sample_query_sets: MutableSequence[
-        gcd_sample_query_set.SampleQuerySet
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_sample_query_set.SampleQuerySet,
+    sample_query_sets: MutableSequence[gcd_sample_query_set.SampleQuerySet] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_sample_query_set.SampleQuerySet,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema.py
index 26a07ce369a8..b44363da031e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import struct_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema_service.py
index 42437b4bf244..ac23e743a267 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/schema_service.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import schema as gcd_schema
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_service.py
index a8bd37079766..439818ad8237 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import struct_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import chunk as gcd_chunk
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.protobuf import struct_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -64,11 +65,11 @@ class SearchRequest(proto.Message):
             Values above the maximum value are coerced to the maximum
             value.
 
-            - Websites with basic indexing: Default ``10``, Maximum
-              ``25``.
-            - Websites with advanced indexing: Default ``25``, Maximum
-              ``50``.
-            - Other: Default ``50``, Maximum ``100``.
+            -  Websites with basic indexing: Default ``10``, Maximum
+               ``25``.
+            -  Websites with advanced indexing: Default ``25``, Maximum
+               ``50``.
+            -  Other: Default ``50``, Maximum ``100``.
 
             If this field is negative, an ``INVALID_ARGUMENT`` is
             returned.
@@ -184,18 +185,18 @@ class SearchRequest(proto.Message):
 
             For public website search only, supported values are:
 
-            - ``user_country_code``: string. Default empty. If set to
-              non-empty, results are restricted or boosted based on the
-              location provided. For example,
-              ``user_country_code: "au"``
+            -  ``user_country_code``: string. Default empty. If set to
+               non-empty, results are restricted or boosted based on the
+               location provided. For example,
+               ``user_country_code: "au"``
 
-              For available codes see `Country
-              Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
+               For available codes see `Country
+               Codes <https://developers.google.com/custom-search/docs/json_api_reference#countryCodes>`__
 
-            - ``search_type``: double. Default empty. Enables
-              non-webpage searching depending on the value. The only
-              valid non-default value is 1, which enables image
-              searching. For example, ``search_type: 1``
+            -  ``search_type``: double. Default empty. Enables
+               non-webpage searching depending on the value. The only
+               valid non-default value is 1, which enables image
+               searching. For example, ``search_type: 1``
         query_expansion_spec (google.cloud.discoveryengine_v1beta.types.SearchRequest.QueryExpansionSpec):
             The query expansion specification that
             specifies the conditions under which query
@@ -252,21 +253,21 @@ class SearchRequest(proto.Message):
             be a single function or multiple functions that are joined
             by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              ``embedding_field_path`` and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               ``embedding_field_path`` and query embedding vector.
 
             Example ranking expression:
 
@@ -280,66 +281,68 @@ class SearchRequest(proto.Message):
             is set to ``RANK_BY_FORMULA``, the following expression
             types (and combinations of those chained using + or
 
-            - operators) are supported:
-
-              - ``double``
-              - ``signal``
-              - ``log(signal)``
-              - ``exp(signal)``
-              - ``rr(signal, double > 0)`` -- reciprocal rank
-                transformation with second argument being a denominator
-                constant.
-              - ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
-                otherwise.
-              - ``fill_nan(signal1, signal2 | double)`` -- if signal1 is
-                NaN, returns signal2 \| double, else returns signal1.
-
-              Here are a few examples of ranking formulas that use the
-              supported ranking expression types:
-
-              - ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
-                -- mostly rank by the logarithm of
-                ``keyword_similarity_score`` with slight
-                ``semantic_smilarity_score`` adjustment.
-              - ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
-                -- rank by the exponent of ``semantic_similarity_score``
-                filling the value with 0 if it's NaN, also add constant
-                0.3 adjustment to the final score if
-                ``semantic_similarity_score`` is NaN.
-              - ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
-                -- mostly rank by the reciprocal rank of
-                ``keyword_similarity_score`` with slight adjustment of
-                reciprocal rank of ``semantic_smilarity_score``.
+            -  operators) are supported:
+
+               -  ``double``
+               -  ``signal``
+               -  ``log(signal)``
+               -  ``exp(signal)``
+               -  ``rr(signal, double > 0)`` -- reciprocal rank
+                  transformation with second argument being a
+                  denominator constant.
+               -  ``is_nan(signal)`` -- returns 0 if signal is NaN, 1
+                  otherwise.
+               -  ``fill_nan(signal1, signal2 | double)`` -- if signal1
+                  is NaN, returns signal2 \| double, else returns
+                  signal1.
+
+               Here are a few examples of ranking formulas that use the
+               supported ranking expression types:
+
+               -  ``0.2 * semantic_similarity_score + 0.8 * log(keyword_similarity_score)``
+                  -- mostly rank by the logarithm of
+                  ``keyword_similarity_score`` with slight
+                  ``semantic_smilarity_score`` adjustment.
+               -  ``0.2 * exp(fill_nan(semantic_similarity_score, 0)) + 0.3 * is_nan(keyword_similarity_score)``
+                  -- rank by the exponent of
+                  ``semantic_similarity_score`` filling the value with 0
+                  if it's NaN, also add constant 0.3 adjustment to the
+                  final score if ``semantic_similarity_score`` is NaN.
+               -  ``0.2 * rr(semantic_similarity_score, 16) + 0.8 * rr(keyword_similarity_score, 16)``
+                  -- mostly rank by the reciprocal rank of
+                  ``keyword_similarity_score`` with slight adjustment of
+                  reciprocal rank of ``semantic_smilarity_score``.
 
             The following signals are supported:
 
-            - ``semantic_similarity_score``: semantic similarity
-              adjustment that is calculated using the embeddings
-              generated by a proprietary Google model. This score
-              determines how semantically similar a search query is to a
-              document.
-            - ``keyword_similarity_score``: keyword match adjustment
-              uses the Best Match 25 (BM25) ranking function. This score
-              is calculated using a probabilistic model to estimate the
-              probability that a document is relevant to a given query.
-            - ``relevance_score``: semantic relevance adjustment that
-              uses a proprietary Google model to determine the meaning
-              and intent behind a user's query in context with the
-              content in the documents.
-            - ``pctr_rank``: predicted conversion rate adjustment as a
-              rank use predicted Click-through rate (pCTR) to gauge the
-              relevance and attractiveness of a search result from a
-              user's perspective. A higher pCTR suggests that the result
-              is more likely to satisfy the user's query and intent,
-              making it a valuable signal for ranking.
-            - ``freshness_rank``: freshness adjustment as a rank
-            - ``document_age``: The time in hours elapsed since the
-              document was last updated, a floating-point number (e.g.,
-              0.25 means 15 minutes).
-            - ``topicality_rank``: topicality adjustment as a rank. Uses
-              proprietary Google model to determine the keyword-based
-              overlap between the query and the document.
-            - ``base_rank``: the default rank of the result
+            -  ``semantic_similarity_score``: semantic similarity
+               adjustment that is calculated using the embeddings
+               generated by a proprietary Google model. This score
+               determines how semantically similar a search query is to
+               a document.
+            -  ``keyword_similarity_score``: keyword match adjustment
+               uses the Best Match 25 (BM25) ranking function. This
+               score is calculated using a probabilistic model to
+               estimate the probability that a document is relevant to a
+               given query.
+            -  ``relevance_score``: semantic relevance adjustment that
+               uses a proprietary Google model to determine the meaning
+               and intent behind a user's query in context with the
+               content in the documents.
+            -  ``pctr_rank``: predicted conversion rate adjustment as a
+               rank use predicted Click-through rate (pCTR) to gauge the
+               relevance and attractiveness of a search result from a
+               user's perspective. A higher pCTR suggests that the
+               result is more likely to satisfy the user's query and
+               intent, making it a valuable signal for ranking.
+            -  ``freshness_rank``: freshness adjustment as a rank
+            -  ``document_age``: The time in hours elapsed since the
+               document was last updated, a floating-point number (e.g.,
+               0.25 means 15 minutes).
+            -  ``topicality_rank``: topicality adjustment as a rank.
+               Uses proprietary Google model to determine the
+               keyword-based overlap between the query and the document.
+            -  ``base_rank``: the default rank of the result
         ranking_expression_backend (google.cloud.discoveryengine_v1beta.types.SearchRequest.RankingExpressionBackend):
             The backend to use for the ranking expression
             evaluation.
@@ -350,20 +353,20 @@ class SearchRequest(proto.Message):
             The user labels applied to a resource must meet the
             following requirements:
 
-            - Each resource can have multiple labels, up to a maximum of
-              64.
-            - Each label must be a key-value pair.
-            - Keys have a minimum length of 1 character and a maximum
-              length of 63 characters and cannot be empty. Values can be
-              empty and have a maximum length of 63 characters.
-            - Keys and values can contain only lowercase letters,
-              numeric characters, underscores, and dashes. All
-              characters must use UTF-8 encoding, and international
-              characters are allowed.
-            - The key portion of a label must be unique. However, you
-              can use the same key with multiple resources.
-            - Keys must start with a lowercase letter or international
-              character.
+            -  Each resource can have multiple labels, up to a maximum
+               of 64.
+            -  Each label must be a key-value pair.
+            -  Keys have a minimum length of 1 character and a maximum
+               length of 63 characters and cannot be empty. Values can
+               be empty and have a maximum length of 63 characters.
+            -  Keys and values can contain only lowercase letters,
+               numeric characters, underscores, and dashes. All
+               characters must use UTF-8 encoding, and international
+               characters are allowed.
+            -  The key portion of a label must be unique. However, you
+               can use the same key with multiple resources.
+            -  Keys must start with a lowercase letter or international
+               character.
 
             See `Google Cloud
             Document <https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements>`__
@@ -448,6 +451,7 @@ class RelevanceThreshold(proto.Enum):
             HIGH (4):
                 High relevance threshold.
         """
+
         RELEVANCE_THRESHOLD_UNSPECIFIED = 0
         LOWEST = 1
         LOW = 2
@@ -467,6 +471,7 @@ class RankingExpressionBackend(proto.Enum):
             RANK_BY_FORMULA (4):
                 Ranking by custom formula.
         """
+
         RANKING_EXPRESSION_BACKEND_UNSPECIFIED = 0
         RANK_BY_EMBEDDING = 3
         RANK_BY_FORMULA = 4
@@ -584,11 +589,11 @@ class FacetSpec(proto.Message):
                 Another example, assuming you have the following facets in
                 the request:
 
-                - "rating", enable_dynamic_position = true
+                -  "rating", enable_dynamic_position = true
 
-                - "price", enable_dynamic_position = false
+                -  "price", enable_dynamic_position = false
 
-                - "brands", enable_dynamic_position = false
+                -  "brands", enable_dynamic_position = false
 
                 And also you have a dynamic facets enabled, which generates
                 a facet ``gender``. Then the final order of the facets in
@@ -647,13 +652,13 @@ class FacetKey(proto.Message):
 
                     Allowed values are:
 
-                    - "count desc", which means order by
-                      [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.count]
-                      descending.
+                    -  "count desc", which means order by
+                       [SearchResponse.Facet.values.count][google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.count]
+                       descending.
 
-                    - "value desc", which means order by
-                      [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.value]
-                      descending. Only applies to textual facets.
+                    -  "value desc", which means order by
+                       [SearchResponse.Facet.values.value][google.cloud.discoveryengine.v1beta.SearchResponse.Facet.FacetValue.value]
+                       descending. Only applies to textual facets.
 
                     If not set, textual values are sorted in `natural
                     order <https://en.wikipedia.org/wiki/Natural_sort_order>`__;
@@ -735,9 +740,9 @@ class ConditionBoostSpec(proto.Message):
 
                     Examples:
 
-                    - To boost documents with document ID "doc_1" or "doc_2",
-                      and color "Red" or "Blue":
-                      ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
+                    -  To boost documents with document ID "doc_1" or "doc_2",
+                       and color "Red" or "Blue":
+                       ``(document_id: ANY("doc_1", "doc_2")) AND (color: ANY("Red", "Blue"))``
                 boost (float):
                     Strength of the condition boost, which should be in [-1, 1].
                     Negative boost means demotion. Default is 0.0.
@@ -812,6 +817,7 @@ class AttributeType(proto.Enum):
                             ``[nD][T[nH][nM][nS]]``. For example, ``5D``, ``3DT12H30M``,
                             ``T24H``.
                     """
+
                     ATTRIBUTE_TYPE_UNSPECIFIED = 0
                     NUMERICAL = 1
                     FRESHNESS = 2
@@ -828,6 +834,7 @@ class InterpolationType(proto.Enum):
                             Piecewise linear interpolation will be
                             applied.
                     """
+
                     INTERPOLATION_TYPE_UNSPECIFIED = 0
                     LINEAR = 1
 
@@ -937,6 +944,7 @@ class Condition(proto.Enum):
                     Automatic query expansion built by the Search
                     API.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             AUTO = 2
@@ -980,6 +988,7 @@ class Mode(proto.Enum):
                     Search API. Search will be based on the
                     corrected query if found.
             """
+
             MODE_UNSPECIFIED = 0
             SUGGESTION_ONLY = 1
             AUTO = 2
@@ -1029,6 +1038,7 @@ class SearchResultMode(proto.Enum):
                     [DataStore.DocumentProcessingConfig.chunking_config][] is
                     specified.
             """
+
             SEARCH_RESULT_MODE_UNSPECIFIED = 0
             DOCUMENTS = 1
             CHUNKS = 2
@@ -1195,15 +1205,15 @@ class ModelSpec(proto.Message):
 
                         Supported values are:
 
-                        - ``stable``: string. Default value when no value is
-                          specified. Uses a generally available, fine-tuned model.
-                          For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
-                        - ``preview``: string. (Public preview) Uses a preview
-                          model. For more information, see `Answer generation model
-                          versions and
-                          lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``stable``: string. Default value when no value is
+                           specified. Uses a generally available, fine-tuned model.
+                           For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
+                        -  ``preview``: string. (Public preview) Uses a preview
+                           model. For more information, see `Answer generation model
+                           versions and
+                           lifecycle <https://cloud.google.com/generative-ai-app-builder/docs/answer-generation-models>`__.
                 """
 
                 version: str = proto.Field(
@@ -1456,6 +1466,7 @@ class FilterExtractionCondition(proto.Enum):
                 ENABLED (2):
                     Enables NL filter extraction.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             ENABLED = 2
@@ -1465,11 +1476,11 @@ class FilterExtractionCondition(proto.Enum):
             number=1,
             enum="SearchRequest.NaturalLanguageQueryUnderstandingSpec.FilterExtractionCondition",
         )
-        geo_search_query_detection_field_names: MutableSequence[
-            str
-        ] = proto.RepeatedField(
-            proto.STRING,
-            number=2,
+        geo_search_query_detection_field_names: MutableSequence[str] = (
+            proto.RepeatedField(
+                proto.STRING,
+                number=2,
+            )
         )
 
     class SearchAsYouTypeSpec(proto.Message):
@@ -1495,6 +1506,7 @@ class Condition(proto.Enum):
                 ENABLED (2):
                     Enables Search As You Type.
             """
+
             CONDITION_UNSPECIFIED = 0
             DISABLED = 1
             ENABLED = 2
@@ -1586,6 +1598,7 @@ class Mode(proto.Enum):
                 DISABLED (2):
                     Disable personalization.
             """
+
             MODE_UNSPECIFIED = 0
             AUTO = 1
             DISABLED = 2
@@ -2037,12 +2050,12 @@ class FacetValue(proto.Message):
             proto.STRING,
             number=1,
         )
-        values: MutableSequence[
-            "SearchResponse.Facet.FacetValue"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=2,
-            message="SearchResponse.Facet.FacetValue",
+        values: MutableSequence["SearchResponse.Facet.FacetValue"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=2,
+                message="SearchResponse.Facet.FacetValue",
+            )
         )
         dynamic_facet: bool = proto.Field(
             proto.BOOL,
@@ -2177,6 +2190,7 @@ class SummarySkippedReason(proto.Enum):
                     [SearchRequest.ContentSearchSpec.SummarySpec.ignore_non_answer_seeking_query]
                     is set to ``true``.
             """
+
             SUMMARY_SKIPPED_REASON_UNSPECIFIED = 0
             ADVERSARIAL_QUERY_IGNORED = 1
             NON_SUMMARY_SEEKING_QUERY_IGNORED = 2
@@ -2220,12 +2234,12 @@ class CitationMetadata(proto.Message):
                     Citations for segments.
             """
 
-            citations: MutableSequence[
-                "SearchResponse.Summary.Citation"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=1,
-                message="SearchResponse.Summary.Citation",
+            citations: MutableSequence["SearchResponse.Summary.Citation"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=1,
+                    message="SearchResponse.Summary.Citation",
+                )
             )
 
         class Citation(proto.Message):
@@ -2249,12 +2263,12 @@ class Citation(proto.Message):
                 proto.INT64,
                 number=2,
             )
-            sources: MutableSequence[
-                "SearchResponse.Summary.CitationSource"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.CitationSource",
+            sources: MutableSequence["SearchResponse.Summary.CitationSource"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.CitationSource",
+                )
             )
 
         class CitationSource(proto.Message):
@@ -2352,12 +2366,12 @@ class SummaryWithMetadata(proto.Message):
                 number=2,
                 message="SearchResponse.Summary.CitationMetadata",
             )
-            references: MutableSequence[
-                "SearchResponse.Summary.Reference"
-            ] = proto.RepeatedField(
-                proto.MESSAGE,
-                number=3,
-                message="SearchResponse.Summary.Reference",
+            references: MutableSequence["SearchResponse.Summary.Reference"] = (
+                proto.RepeatedField(
+                    proto.MESSAGE,
+                    number=3,
+                    message="SearchResponse.Summary.Reference",
+                )
             )
 
         summary_text: str = proto.Field(
@@ -2526,6 +2540,7 @@ class Comparison(proto.Enum):
                         GREATER_THAN (5):
                             Denotes greater than ``>`` operator.
                     """
+
                     COMPARISON_UNSPECIFIED = 0
                     EQUALS = 1
                     LESS_THAN_EQUALS = 2
@@ -2772,6 +2787,7 @@ class OneBoxType(proto.Enum):
                     One Box result contains Knowledge Graph
                     search responses.
             """
+
             ONE_BOX_TYPE_UNSPECIFIED = 0
             PEOPLE = 1
             ORGANIZATION = 2
@@ -2783,12 +2799,12 @@ class OneBoxType(proto.Enum):
             number=1,
             enum="SearchResponse.OneBoxResult.OneBoxType",
         )
-        search_results: MutableSequence[
-            "SearchResponse.SearchResult"
-        ] = proto.RepeatedField(
-            proto.MESSAGE,
-            number=2,
-            message="SearchResponse.SearchResult",
+        search_results: MutableSequence["SearchResponse.SearchResult"] = (
+            proto.RepeatedField(
+                proto.MESSAGE,
+                number=2,
+                message="SearchResponse.SearchResult",
+            )
         )
 
     @property
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_tuning_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_tuning_service.py
index ca1b175ba108..b78375a37892 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/search_tuning_service.py
@@ -17,11 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
+import proto  # type: ignore
+
+from google.cloud.discoveryengine_v1beta.types import custom_tuning_model
+from google.cloud.discoveryengine_v1beta.types import import_config
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
-import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import custom_tuning_model, import_config
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -65,12 +67,12 @@ class ListCustomModelsResponse(proto.Message):
             List of custom tuning models.
     """
 
-    models: MutableSequence[
-        custom_tuning_model.CustomTuningModel
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=custom_tuning_model.CustomTuningModel,
+    models: MutableSequence[custom_tuning_model.CustomTuningModel] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=custom_tuning_model.CustomTuningModel,
+        )
     )
 
 
@@ -95,8 +97,8 @@ class TrainCustomModelRequest(proto.Message):
         model_type (str):
             Model to be trained. Supported values are:
 
-            - **search-tuning**: Fine tuning the search system based on
-              data provided.
+            -  **search-tuning**: Fine tuning the search system based on
+               data provided.
         error_config (google.cloud.discoveryengine_v1beta.types.ImportErrorConfig):
             The desired location of errors incurred
             during the data ingestion and training.
@@ -136,8 +138,8 @@ class GcsTrainingInput(proto.Message):
                 number in ``[0, inf+)``. The larger the number is, the more
                 relevant the pair is. Example:
 
-                - ``query-id\tcorpus-id\tscore``
-                - ``query1\tdoc1\t1``
+                -  ``query-id\tcorpus-id\tscore``
+                -  ``query1\tdoc1\t1``
             test_data_path (str):
                 Cloud Storage test data. Same format as train_data_path. If
                 not provided, a random 80/20 train/test split will be
@@ -202,15 +204,15 @@ class TrainCustomModelResponse(proto.Message):
         model_status (str):
             The trained model status. Possible values are:
 
-            - **bad-data**: The training data quality is bad.
-            - **no-improvement**: Tuning didn't improve performance.
-              Won't deploy.
-            - **in-progress**: Model training job creation is in
-              progress.
-            - **training**: Model is actively training.
-            - **evaluating**: The model is evaluating trained metrics.
-            - **indexing**: The model trained metrics are indexing.
-            - **ready**: The model is ready for serving.
+            -  **bad-data**: The training data quality is bad.
+            -  **no-improvement**: Tuning didn't improve performance.
+               Won't deploy.
+            -  **in-progress**: Model training job creation is in
+               progress.
+            -  **training**: Model is actively training.
+            -  **evaluating**: The model is evaluating trained metrics.
+            -  **indexing**: The model trained metrics are indexing.
+            -  **ready**: The model is ready for serving.
         metrics (MutableMapping[str, float]):
             The metrics of the trained model.
         model_name (str):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config.py
index c518f8a9b3f9..38dd62993eb7 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config.py
@@ -17,10 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
-from google.cloud.discoveryengine_v1beta.types import common, search_service
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import search_service
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -82,11 +84,11 @@ class ServingConfig(proto.Message):
             e.g. ``medium-diversity`` or ``high-diversity``. Currently
             supported values:
 
-            - ``no-diversity``
-            - ``low-diversity``
-            - ``medium-diversity``
-            - ``high-diversity``
-            - ``auto-diversity``
+            -  ``no-diversity``
+            -  ``low-diversity``
+            -  ``medium-diversity``
+            -  ``high-diversity``
+            -  ``auto-diversity``
 
             If not specified, we choose default based on recommendation
             model type. Default value: ``no-diversity``.
@@ -118,21 +120,21 @@ class ServingConfig(proto.Message):
             The ranking expression is a single function or multiple
             functions that are joined by "+".
 
-            - ranking_expression = function, { " + ", function };
+            -  ranking_expression = function, { " + ", function };
 
             Supported functions:
 
-            - double \* relevance_score
-            - double \* dotProduct(embedding_field_path)
+            -  double \* relevance_score
+            -  double \* dotProduct(embedding_field_path)
 
             Function variables:
 
-            - ``relevance_score``: pre-defined keywords, used for
-              measure relevance between query and document.
-            - ``embedding_field_path``: the document embedding field
-              used with query embedding vector.
-            - ``dotProduct``: embedding function between
-              embedding_field_path and query embedding vector.
+            -  ``relevance_score``: pre-defined keywords, used for
+               measure relevance between query and document.
+            -  ``embedding_field_path``: the document embedding field
+               used with query embedding vector.
+            -  ``dotProduct``: embedding function between
+               embedding_field_path and query embedding vector.
 
             Example ranking expression:
 
@@ -226,20 +228,20 @@ class MediaConfig(proto.Message):
         r"""Specifies the configurations needed for Media Discovery. Currently
         we support:
 
-        - ``demote_content_watched``: Threshold for watched content
-          demotion. Customers can specify if using watched content demotion
-          or use viewed detail page. Using the content watched demotion,
-          customers need to specify the watched minutes or percentage
-          exceeds the threshold, the content will be demoted in the
-          recommendation result.
-        - ``promote_fresh_content``: cutoff days for fresh content
-          promotion. Customers can specify if using content freshness
-          promotion. If the content was published within the cutoff days,
-          the content will be promoted in the recommendation result. Can
-          only be set if
-          [SolutionType][google.cloud.discoveryengine.v1beta.SolutionType]
-          is
-          [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1beta.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
+        -  ``demote_content_watched``: Threshold for watched content
+           demotion. Customers can specify if using watched content demotion
+           or use viewed detail page. Using the content watched demotion,
+           customers need to specify the watched minutes or percentage
+           exceeds the threshold, the content will be demoted in the
+           recommendation result.
+        -  ``promote_fresh_content``: cutoff days for fresh content
+           promotion. Customers can specify if using content freshness
+           promotion. If the content was published within the cutoff days,
+           the content will be promoted in the recommendation result. Can
+           only be set if
+           [SolutionType][google.cloud.discoveryengine.v1beta.SolutionType]
+           is
+           [SOLUTION_TYPE_RECOMMENDATION][google.cloud.discoveryengine.v1beta.SolutionType.SOLUTION_TYPE_RECOMMENDATION].
 
         This message has `oneof`_ fields (mutually exclusive fields).
         For each oneof, at most one member field can be set at the same time.
@@ -264,11 +266,11 @@ class MediaConfig(proto.Message):
                 Specifies the event type used for demoting recommendation
                 result. Currently supported values:
 
-                - ``view-item``: Item viewed.
-                - ``media-play``: Start/resume watching a video, playing a
-                  song, etc.
-                - ``media-complete``: Finished or stopped midway through a
-                  video, song, etc.
+                -  ``view-item``: Item viewed.
+                -  ``media-play``: Start/resume watching a video, playing a
+                   song, etc.
+                -  ``media-complete``: Finished or stopped midway through a
+                   video, song, etc.
 
                 If unset, watch history demotion will not be applied.
                 Content freshness demotion will still be applied.
@@ -311,7 +313,8 @@ class GenericConfig(proto.Message):
         r"""Specifies the configurations needed for Generic Discovery.Currently
         we support:
 
-        - ``content_search_spec``: configuration for generic content search.
+        -  ``content_search_spec``: configuration for generic content
+           search.
 
         Attributes:
             content_search_spec (google.cloud.discoveryengine_v1beta.types.SearchRequest.ContentSearchSpec):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config_service.py
index 2701dec76cc8..361a8e930fd1 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/serving_config_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
+from google.protobuf import field_mask_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -46,7 +47,7 @@ class UpdateServingConfigRequest(proto.Message):
             [ServingConfig][google.cloud.discoveryengine.v1beta.ServingConfig]
             to update. The following are NOT supported:
 
-            - [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
+            -  [ServingConfig.name][google.cloud.discoveryengine.v1beta.ServingConfig.name]
 
             If not set, all supported fields are updated.
     """
@@ -126,12 +127,12 @@ class ListServingConfigsResponse(proto.Message):
     def raw_page(self):
         return self
 
-    serving_configs: MutableSequence[
-        gcd_serving_config.ServingConfig
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_serving_config.ServingConfig,
+    serving_configs: MutableSequence[gcd_serving_config.ServingConfig] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_serving_config.ServingConfig,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session.py
index 013ee90b77c4..64e16c8ffe8d 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session.py
@@ -17,10 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import answer as gcd_answer
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -69,6 +70,7 @@ class State(proto.Enum):
             IN_PROGRESS (1):
                 The session is currently open.
         """
+
         STATE_UNSPECIFIED = 0
         IN_PROGRESS = 1
 
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session_service.py
index 589f350cf1e3..d3a79e0ec197 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/session_service.py
@@ -15,6 +15,7 @@
 #
 import proto  # type: ignore
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={},
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine.py
index 87bb9aa78b38..e6f4838cd121 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine.py
@@ -17,9 +17,11 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
+from google.protobuf import timestamp_pb2  # type: ignore
+
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
@@ -103,6 +105,7 @@ class Type(proto.Enum):
             EXCLUDE (2):
                 Exclude the target site.
         """
+
         TYPE_UNSPECIFIED = 0
         INCLUDE = 1
         EXCLUDE = 2
@@ -130,6 +133,7 @@ class IndexingStatus(proto.Enum):
                 2. state reverts to SUCCEEDED if the unindexing
                     fails.
         """
+
         INDEXING_STATUS_UNSPECIFIED = 0
         PENDING = 1
         FAILED = 2
@@ -244,6 +248,7 @@ class SiteVerificationState(proto.Enum):
                 Site exempt from verification, e.g., a public
                 website that opens to all.
         """
+
         SITE_VERIFICATION_STATE_UNSPECIFIED = 0
         VERIFIED = 1
         UNVERIFIED = 2
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine_service.py
index 2db134f26036..12f6f2ed7822 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/site_search_engine_service.py
@@ -17,12 +17,13 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import (
     site_search_engine as gcd_site_search_engine,
 )
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -371,12 +372,12 @@ class ListTargetSitesResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
@@ -424,12 +425,12 @@ class BatchCreateTargetSitesResponse(proto.Message):
             TargetSites created.
     """
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
 
 
@@ -838,6 +839,7 @@ class CorpusType(proto.Enum):
                         Denotes a crawling attempt for the mobile
                         version of a page.
                 """
+
                 CORPUS_TYPE_UNSPECIFIED = 0
                 DESKTOP = 1
                 MOBILE = 2
@@ -1079,12 +1081,12 @@ class FetchDomainVerificationStatusResponse(proto.Message):
     def raw_page(self):
         return self
 
-    target_sites: MutableSequence[
-        gcd_site_search_engine.TargetSite
-    ] = proto.RepeatedField(
-        proto.MESSAGE,
-        number=1,
-        message=gcd_site_search_engine.TargetSite,
+    target_sites: MutableSequence[gcd_site_search_engine.TargetSite] = (
+        proto.RepeatedField(
+            proto.MESSAGE,
+            number=1,
+            message=gcd_site_search_engine.TargetSite,
+        )
     )
     next_page_token: str = proto.Field(
         proto.STRING,
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event.py
index 5c7918c4a605..256fd65bda47 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event.py
@@ -17,11 +17,12 @@
 
 from typing import MutableMapping, MutableSequence
 
-from google.protobuf import duration_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
 import proto  # type: ignore
 
 from google.cloud.discoveryengine_v1beta.types import common
+from google.protobuf import duration_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+
 
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
@@ -49,27 +50,27 @@ class UserEvent(proto.Message):
 
             Generic values:
 
-            - ``search``: Search for Documents.
-            - ``view-item``: Detailed page view of a Document.
-            - ``view-item-list``: View of a panel or ordered list of
-              Documents.
-            - ``view-home-page``: View of the home page.
-            - ``view-category-page``: View of a category page, e.g. Home
-              > Men > Jeans
-            - ``add-feedback``: Add a user feedback.
+            -  ``search``: Search for Documents.
+            -  ``view-item``: Detailed page view of a Document.
+            -  ``view-item-list``: View of a panel or ordered list of
+               Documents.
+            -  ``view-home-page``: View of the home page.
+            -  ``view-category-page``: View of a category page, e.g.
+               Home > Men > Jeans
+            -  ``add-feedback``: Add a user feedback.
 
             Retail-related values:
 
-            - ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
-              online shopping
-            - ``purchase``: Purchase an item(s)
+            -  ``add-to-cart``: Add an item(s) to cart, e.g. in Retail
+               online shopping
+            -  ``purchase``: Purchase an item(s)
 
             Media-related values:
 
-            - ``media-play``: Start/resume watching a video, playing a
-              song, etc.
-            - ``media-complete``: Finished or stopped midway through a
-              video, song, etc.
+            -  ``media-play``: Start/resume watching a video, playing a
+               song, etc.
+            -  ``media-complete``: Finished or stopped midway through a
+               video, song, etc.
         user_pseudo_id (str):
             Required. A unique identifier for tracking visitors.
 
@@ -159,12 +160,12 @@ class UserEvent(proto.Message):
 
             The value must be one of:
 
-            - [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1beta.RecommendResponse.attribution_token]
-              for events that are the result of
-              [RecommendationService.Recommend][google.cloud.discoveryengine.v1beta.RecommendationService.Recommend].
-            - [SearchResponse.attribution_token][google.cloud.discoveryengine.v1beta.SearchResponse.attribution_token]
-              for events that are the result of
-              [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search].
+            -  [RecommendResponse.attribution_token][google.cloud.discoveryengine.v1beta.RecommendResponse.attribution_token]
+               for events that are the result of
+               [RecommendationService.Recommend][google.cloud.discoveryengine.v1beta.RecommendationService.Recommend].
+            -  [SearchResponse.attribution_token][google.cloud.discoveryengine.v1beta.SearchResponse.attribution_token]
+               for events that are the result of
+               [SearchService.Search][google.cloud.discoveryengine.v1beta.SearchService.Search].
 
             This token enables us to accurately attribute page view or
             conversion completion back to the event and the particular
@@ -204,11 +205,11 @@ class UserEvent(proto.Message):
 
             This field is optional except for the following event types:
 
-            - ``view-item``
-            - ``add-to-cart``
-            - ``purchase``
-            - ``media-play``
-            - ``media-complete``
+            -  ``view-item``
+            -  ``add-to-cart``
+            -  ``purchase``
+            -  ``media-play``
+            -  ``media-complete``
 
             In a ``search`` event, this field represents the documents
             returned to the end user on the current page (the end user
@@ -262,12 +263,12 @@ class UserEvent(proto.Message):
             This field needs to pass all below criteria, otherwise an
             ``INVALID_ARGUMENT`` error is returned:
 
-            - The key must be a UTF-8 encoded string with a length limit
-              of 5,000 characters.
-            - For text attributes, at most 400 values are allowed. Empty
-              values are not allowed. Each value must be a UTF-8 encoded
-              string with a length limit of 256 characters.
-            - For number attributes, at most 400 values are allowed.
+            -  The key must be a UTF-8 encoded string with a length
+               limit of 5,000 characters.
+            -  For text attributes, at most 400 values are allowed.
+               Empty values are not allowed. Each value must be a UTF-8
+               encoded string with a length limit of 256 characters.
+            -  For number attributes, at most 400 values are allowed.
 
             For product recommendations, an example of extra user
             information is ``traffic_channel``, which is how a user
@@ -571,12 +572,12 @@ class TransactionInfo(proto.Message):
             manufacturing costs, shipping expenses not borne by the end
             user, or any other costs, such that:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1beta.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1beta.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1beta.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1beta.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1beta.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1beta.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_cost``.
         discount_value (float):
@@ -598,12 +599,12 @@ class TransactionInfo(proto.Message):
             can be larger than
             [TransactionInfo.value][google.cloud.discoveryengine.v1beta.TransactionInfo.value]:
 
-            - Profit =
-              [value][google.cloud.discoveryengine.v1beta.TransactionInfo.value]
-              -
-              [tax][google.cloud.discoveryengine.v1beta.TransactionInfo.tax]
-              -
-              [cost][google.cloud.discoveryengine.v1beta.TransactionInfo.cost]
+            -  Profit =
+               [value][google.cloud.discoveryengine.v1beta.TransactionInfo.value]
+               -
+               [tax][google.cloud.discoveryengine.v1beta.TransactionInfo.tax]
+               -
+               [cost][google.cloud.discoveryengine.v1beta.TransactionInfo.cost]
 
             This field is a member of `oneof`_ ``_discount_value``.
     """
@@ -674,8 +675,8 @@ class DocumentInfo(proto.Message):
 
             Required for events of the following event types:
 
-            - ``add-to-cart``
-            - ``purchase``
+            -  ``add-to-cart``
+            -  ``purchase``
 
             This field is a member of `oneof`_ ``_quantity``.
         promotion_ids (MutableSequence[str]):
diff --git a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event_service.py b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event_service.py
index 8be711e32aeb..0ac12a344e2e 100644
--- a/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event_service.py
+++ b/packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1beta/types/user_event_service.py
@@ -21,6 +21,7 @@
 
 from google.cloud.discoveryengine_v1beta.types import user_event as gcd_user_event
 
+
 __protobuf__ = proto.module(
     package="google.cloud.discoveryengine.v1beta",
     manifest={
diff --git a/packages/google-cloud-discoveryengine/noxfile.py b/packages/google-cloud-discoveryengine/noxfile.py
index b1aa5da98074..773b1692fe67 100644
--- a/packages/google-cloud-discoveryengine/noxfile.py
+++ b/packages/google-cloud-discoveryengine/noxfile.py
@@ -17,6 +17,7 @@
 import pathlib
 import re
 import shutil
+
 from typing import Dict, List
 import warnings
 
diff --git a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1.json b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1.json
index 061eb71645ed..af933896aabc 100644
--- a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1.json
+++ b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-discoveryengine",
-    "version": "0.15.0"
+    "version": "0.4.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1alpha.json b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1alpha.json
index 8c60b426a4b1..b70a65161aa1 100644
--- a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1alpha.json
+++ b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1alpha.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-discoveryengine",
-    "version": "0.15.0"
+    "version": "0.4.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1beta.json b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1beta.json
index 9c186ac39682..b2d0a745ffa9 100644
--- a/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1beta.json
+++ b/packages/google-cloud-discoveryengine/samples/generated_samples/snippet_metadata_google.cloud.discoveryengine.v1beta.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-discoveryengine",
-    "version": "0.15.0"
+    "version": "0.4.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1_keywords.py b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1_keywords.py
index 70415cfeca9b..a14a844a2187 100644
--- a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1_keywords.py
+++ b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1_keywords.py
@@ -19,12 +19,11 @@
 import libcst as cst
 import pathlib
 import sys
-from typing import (Any, Callable, Dict, List, Sequence, Tuple)
+from typing import Any, Callable, Dict, List, Sequence, Tuple
 
 
 def partition(
-    predicate: Callable[[Any], bool],
-    iterator: Sequence[Any]
+    predicate: Callable[[Any], bool], iterator: Sequence[Any]
 ) -> Tuple[List[Any], List[Any]]:
     """A stable, out-of-place partition."""
     results = ([], [])
@@ -37,99 +36,467 @@ def partition(
 
 
 class discoveryengineCallTransformer(cst.CSTTransformer):
-    CTRL_PARAMS: Tuple[str] = ('retry', 'timeout', 'metadata')
+    CTRL_PARAMS: Tuple[str] = ("retry", "timeout", "metadata")
     METHOD_TO_PARAMS: Dict[str, Tuple[str]] = {
-        'answer_query': ('serving_config', 'query', 'session', 'safety_spec', 'related_questions_spec', 'grounding_spec', 'answer_generation_spec', 'search_spec', 'query_understanding_spec', 'asynchronous_mode', 'user_pseudo_id', 'user_labels', 'end_user_spec', ),
-        'batch_create_target_sites': ('parent', 'requests', ),
-        'batch_get_documents_metadata': ('parent', 'matcher', ),
-        'batch_update_user_licenses': ('parent', 'inline_source', 'delete_unassigned_user_licenses', ),
-        'batch_verify_target_sites': ('parent', ),
-        'check_grounding': ('grounding_config', 'answer_candidate', 'facts', 'grounding_spec', 'user_labels', ),
-        'collect_user_event': ('parent', 'user_event', 'uri', 'ets', ),
-        'complete_query': ('data_store', 'query', 'query_model', 'user_pseudo_id', 'include_tail_suggestions', ),
-        'converse_conversation': ('name', 'query', 'serving_config', 'conversation', 'safe_search', 'user_labels', 'summary_spec', 'filter', 'boost_spec', ),
-        'create_control': ('parent', 'control', 'control_id', ),
-        'create_conversation': ('parent', 'conversation', ),
-        'create_data_store': ('parent', 'data_store', 'data_store_id', 'cmek_config_name', 'disable_cmek', 'create_advanced_site_search', 'skip_default_schema_creation', ),
-        'create_document': ('parent', 'document', 'document_id', ),
-        'create_engine': ('parent', 'engine', 'engine_id', ),
-        'create_identity_mapping_store': ('parent', 'identity_mapping_store_id', 'identity_mapping_store', 'cmek_config_name', 'disable_cmek', ),
-        'create_schema': ('parent', 'schema', 'schema_id', ),
-        'create_session': ('parent', 'session', ),
-        'create_sitemap': ('parent', 'sitemap', ),
-        'create_target_site': ('parent', 'target_site', ),
-        'delete_cmek_config': ('name', ),
-        'delete_control': ('name', ),
-        'delete_conversation': ('name', ),
-        'delete_data_store': ('name', ),
-        'delete_document': ('name', ),
-        'delete_engine': ('name', ),
-        'delete_identity_mapping_store': ('name', ),
-        'delete_schema': ('name', ),
-        'delete_session': ('name', ),
-        'delete_sitemap': ('name', ),
-        'delete_target_site': ('name', ),
-        'disable_advanced_site_search': ('site_search_engine', ),
-        'enable_advanced_site_search': ('site_search_engine', ),
-        'fetch_domain_verification_status': ('site_search_engine', 'page_size', 'page_token', ),
-        'fetch_sitemaps': ('parent', 'matcher', ),
-        'generate_grounded_content': ('location', 'system_instruction', 'contents', 'generation_spec', 'grounding_spec', 'user_labels', ),
-        'get_answer': ('name', ),
-        'get_cmek_config': ('name', ),
-        'get_control': ('name', ),
-        'get_conversation': ('name', ),
-        'get_data_store': ('name', ),
-        'get_document': ('name', ),
-        'get_engine': ('name', ),
-        'get_identity_mapping_store': ('name', ),
-        'get_schema': ('name', ),
-        'get_session': ('name', 'include_answer_details', ),
-        'get_site_search_engine': ('name', ),
-        'get_target_site': ('name', ),
-        'import_completion_suggestions': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'import_documents': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'fhir_store_source', 'spanner_source', 'cloud_sql_source', 'firestore_source', 'alloy_db_source', 'bigtable_source', 'error_config', 'reconciliation_mode', 'update_mask', 'auto_generate_ids', 'id_field', 'force_refresh_content', ),
-        'import_identity_mappings': ('identity_mapping_store', 'inline_source', ),
-        'import_suggestion_deny_list_entries': ('parent', 'inline_source', 'gcs_source', ),
-        'import_user_events': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'list_cmek_configs': ('parent', ),
-        'list_controls': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_conversations': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_custom_models': ('data_store', ),
-        'list_data_stores': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_documents': ('parent', 'page_size', 'page_token', ),
-        'list_engines': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_identity_mappings': ('identity_mapping_store', 'page_size', 'page_token', ),
-        'list_identity_mapping_stores': ('parent', 'page_size', 'page_token', ),
-        'list_schemas': ('parent', 'page_size', 'page_token', ),
-        'list_sessions': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_target_sites': ('parent', 'page_size', 'page_token', ),
-        'list_user_licenses': ('parent', 'page_size', 'page_token', 'filter', ),
-        'provision_project': ('name', 'accept_data_use_terms', 'data_use_terms_version', ),
-        'purge_completion_suggestions': ('parent', ),
-        'purge_documents': ('parent', 'filter', 'gcs_source', 'inline_source', 'error_config', 'force', ),
-        'purge_identity_mappings': ('identity_mapping_store', 'inline_source', 'filter', 'force', ),
-        'purge_suggestion_deny_list_entries': ('parent', ),
-        'purge_user_events': ('parent', 'filter', 'force', ),
-        'rank': ('ranking_config', 'records', 'model', 'top_n', 'query', 'ignore_record_details_in_response', 'user_labels', ),
-        'recommend': ('serving_config', 'user_event', 'page_size', 'filter', 'validate_only', 'params', 'user_labels', ),
-        'recrawl_uris': ('site_search_engine', 'uris', 'site_credential', ),
-        'search': ('serving_config', 'branch', 'query', 'image_query', 'page_size', 'page_token', 'offset', 'one_box_page_size', 'data_store_specs', 'filter', 'canonical_filter', 'order_by', 'user_info', 'language_code', 'facet_specs', 'boost_spec', 'params', 'query_expansion_spec', 'spell_correction_spec', 'user_pseudo_id', 'content_search_spec', 'safe_search', 'user_labels', 'search_as_you_type_spec', 'display_spec', 'session', 'session_spec', 'relevance_threshold', 'relevance_score_spec', 'ranking_expression', 'ranking_expression_backend', ),
-        'search_lite': ('serving_config', 'branch', 'query', 'image_query', 'page_size', 'page_token', 'offset', 'one_box_page_size', 'data_store_specs', 'filter', 'canonical_filter', 'order_by', 'user_info', 'language_code', 'facet_specs', 'boost_spec', 'params', 'query_expansion_spec', 'spell_correction_spec', 'user_pseudo_id', 'content_search_spec', 'safe_search', 'user_labels', 'search_as_you_type_spec', 'display_spec', 'session', 'session_spec', 'relevance_threshold', 'relevance_score_spec', 'ranking_expression', 'ranking_expression_backend', ),
-        'stream_answer_query': ('serving_config', 'query', 'session', 'safety_spec', 'related_questions_spec', 'grounding_spec', 'answer_generation_spec', 'search_spec', 'query_understanding_spec', 'asynchronous_mode', 'user_pseudo_id', 'user_labels', 'end_user_spec', ),
-        'stream_assist': ('name', 'query', 'session', 'user_metadata', 'tools_spec', 'generation_spec', ),
-        'stream_generate_grounded_content': ('location', 'system_instruction', 'contents', 'generation_spec', 'grounding_spec', 'user_labels', ),
-        'train_custom_model': ('data_store', 'gcs_training_input', 'model_type', 'error_config', 'model_id', ),
-        'update_cmek_config': ('config', 'set_default', ),
-        'update_control': ('control', 'update_mask', ),
-        'update_conversation': ('conversation', 'update_mask', ),
-        'update_data_store': ('data_store', 'update_mask', ),
-        'update_document': ('document', 'allow_missing', 'update_mask', ),
-        'update_engine': ('engine', 'update_mask', ),
-        'update_schema': ('schema', 'allow_missing', ),
-        'update_serving_config': ('serving_config', 'update_mask', ),
-        'update_session': ('session', 'update_mask', ),
-        'update_target_site': ('target_site', ),
-        'write_user_event': ('parent', 'user_event', 'write_async', ),
+        "answer_query": (
+            "serving_config",
+            "query",
+            "session",
+            "safety_spec",
+            "related_questions_spec",
+            "grounding_spec",
+            "answer_generation_spec",
+            "search_spec",
+            "query_understanding_spec",
+            "asynchronous_mode",
+            "user_pseudo_id",
+            "user_labels",
+            "end_user_spec",
+        ),
+        "batch_create_target_sites": (
+            "parent",
+            "requests",
+        ),
+        "batch_get_documents_metadata": (
+            "parent",
+            "matcher",
+        ),
+        "batch_update_user_licenses": (
+            "parent",
+            "inline_source",
+            "delete_unassigned_user_licenses",
+        ),
+        "batch_verify_target_sites": ("parent",),
+        "check_grounding": (
+            "grounding_config",
+            "answer_candidate",
+            "facts",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "collect_user_event": (
+            "parent",
+            "user_event",
+            "uri",
+            "ets",
+        ),
+        "complete_query": (
+            "data_store",
+            "query",
+            "query_model",
+            "user_pseudo_id",
+            "include_tail_suggestions",
+        ),
+        "converse_conversation": (
+            "name",
+            "query",
+            "serving_config",
+            "conversation",
+            "safe_search",
+            "user_labels",
+            "summary_spec",
+            "filter",
+            "boost_spec",
+        ),
+        "create_control": (
+            "parent",
+            "control",
+            "control_id",
+        ),
+        "create_conversation": (
+            "parent",
+            "conversation",
+        ),
+        "create_data_store": (
+            "parent",
+            "data_store",
+            "data_store_id",
+            "cmek_config_name",
+            "disable_cmek",
+            "create_advanced_site_search",
+            "skip_default_schema_creation",
+        ),
+        "create_document": (
+            "parent",
+            "document",
+            "document_id",
+        ),
+        "create_engine": (
+            "parent",
+            "engine",
+            "engine_id",
+        ),
+        "create_identity_mapping_store": (
+            "parent",
+            "identity_mapping_store_id",
+            "identity_mapping_store",
+            "cmek_config_name",
+            "disable_cmek",
+        ),
+        "create_schema": (
+            "parent",
+            "schema",
+            "schema_id",
+        ),
+        "create_session": (
+            "parent",
+            "session",
+        ),
+        "create_sitemap": (
+            "parent",
+            "sitemap",
+        ),
+        "create_target_site": (
+            "parent",
+            "target_site",
+        ),
+        "delete_cmek_config": ("name",),
+        "delete_control": ("name",),
+        "delete_conversation": ("name",),
+        "delete_data_store": ("name",),
+        "delete_document": ("name",),
+        "delete_engine": ("name",),
+        "delete_identity_mapping_store": ("name",),
+        "delete_schema": ("name",),
+        "delete_session": ("name",),
+        "delete_sitemap": ("name",),
+        "delete_target_site": ("name",),
+        "disable_advanced_site_search": ("site_search_engine",),
+        "enable_advanced_site_search": ("site_search_engine",),
+        "fetch_domain_verification_status": (
+            "site_search_engine",
+            "page_size",
+            "page_token",
+        ),
+        "fetch_sitemaps": (
+            "parent",
+            "matcher",
+        ),
+        "generate_grounded_content": (
+            "location",
+            "system_instruction",
+            "contents",
+            "generation_spec",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "get_answer": ("name",),
+        "get_cmek_config": ("name",),
+        "get_control": ("name",),
+        "get_conversation": ("name",),
+        "get_data_store": ("name",),
+        "get_document": ("name",),
+        "get_engine": ("name",),
+        "get_identity_mapping_store": ("name",),
+        "get_schema": ("name",),
+        "get_session": (
+            "name",
+            "include_answer_details",
+        ),
+        "get_site_search_engine": ("name",),
+        "get_target_site": ("name",),
+        "import_completion_suggestions": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "import_documents": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "fhir_store_source",
+            "spanner_source",
+            "cloud_sql_source",
+            "firestore_source",
+            "alloy_db_source",
+            "bigtable_source",
+            "error_config",
+            "reconciliation_mode",
+            "update_mask",
+            "auto_generate_ids",
+            "id_field",
+            "force_refresh_content",
+        ),
+        "import_identity_mappings": (
+            "identity_mapping_store",
+            "inline_source",
+        ),
+        "import_suggestion_deny_list_entries": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+        ),
+        "import_user_events": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "list_cmek_configs": ("parent",),
+        "list_controls": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_conversations": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_custom_models": ("data_store",),
+        "list_data_stores": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_documents": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_engines": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_identity_mappings": (
+            "identity_mapping_store",
+            "page_size",
+            "page_token",
+        ),
+        "list_identity_mapping_stores": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_schemas": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sessions": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_target_sites": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_user_licenses": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "provision_project": (
+            "name",
+            "accept_data_use_terms",
+            "data_use_terms_version",
+        ),
+        "purge_completion_suggestions": ("parent",),
+        "purge_documents": (
+            "parent",
+            "filter",
+            "gcs_source",
+            "inline_source",
+            "error_config",
+            "force",
+        ),
+        "purge_identity_mappings": (
+            "identity_mapping_store",
+            "inline_source",
+            "filter",
+            "force",
+        ),
+        "purge_suggestion_deny_list_entries": ("parent",),
+        "purge_user_events": (
+            "parent",
+            "filter",
+            "force",
+        ),
+        "rank": (
+            "ranking_config",
+            "records",
+            "model",
+            "top_n",
+            "query",
+            "ignore_record_details_in_response",
+            "user_labels",
+        ),
+        "recommend": (
+            "serving_config",
+            "user_event",
+            "page_size",
+            "filter",
+            "validate_only",
+            "params",
+            "user_labels",
+        ),
+        "recrawl_uris": (
+            "site_search_engine",
+            "uris",
+            "site_credential",
+        ),
+        "search": (
+            "serving_config",
+            "branch",
+            "query",
+            "image_query",
+            "page_size",
+            "page_token",
+            "offset",
+            "one_box_page_size",
+            "data_store_specs",
+            "filter",
+            "canonical_filter",
+            "order_by",
+            "user_info",
+            "language_code",
+            "facet_specs",
+            "boost_spec",
+            "params",
+            "query_expansion_spec",
+            "spell_correction_spec",
+            "user_pseudo_id",
+            "content_search_spec",
+            "safe_search",
+            "user_labels",
+            "search_as_you_type_spec",
+            "display_spec",
+            "session",
+            "session_spec",
+            "relevance_threshold",
+            "relevance_score_spec",
+            "ranking_expression",
+            "ranking_expression_backend",
+        ),
+        "search_lite": (
+            "serving_config",
+            "branch",
+            "query",
+            "image_query",
+            "page_size",
+            "page_token",
+            "offset",
+            "one_box_page_size",
+            "data_store_specs",
+            "filter",
+            "canonical_filter",
+            "order_by",
+            "user_info",
+            "language_code",
+            "facet_specs",
+            "boost_spec",
+            "params",
+            "query_expansion_spec",
+            "spell_correction_spec",
+            "user_pseudo_id",
+            "content_search_spec",
+            "safe_search",
+            "user_labels",
+            "search_as_you_type_spec",
+            "display_spec",
+            "session",
+            "session_spec",
+            "relevance_threshold",
+            "relevance_score_spec",
+            "ranking_expression",
+            "ranking_expression_backend",
+        ),
+        "stream_answer_query": (
+            "serving_config",
+            "query",
+            "session",
+            "safety_spec",
+            "related_questions_spec",
+            "grounding_spec",
+            "answer_generation_spec",
+            "search_spec",
+            "query_understanding_spec",
+            "asynchronous_mode",
+            "user_pseudo_id",
+            "user_labels",
+            "end_user_spec",
+        ),
+        "stream_assist": (
+            "name",
+            "query",
+            "session",
+            "user_metadata",
+            "tools_spec",
+            "generation_spec",
+        ),
+        "stream_generate_grounded_content": (
+            "location",
+            "system_instruction",
+            "contents",
+            "generation_spec",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "train_custom_model": (
+            "data_store",
+            "gcs_training_input",
+            "model_type",
+            "error_config",
+            "model_id",
+        ),
+        "update_cmek_config": (
+            "config",
+            "set_default",
+        ),
+        "update_control": (
+            "control",
+            "update_mask",
+        ),
+        "update_conversation": (
+            "conversation",
+            "update_mask",
+        ),
+        "update_data_store": (
+            "data_store",
+            "update_mask",
+        ),
+        "update_document": (
+            "document",
+            "allow_missing",
+            "update_mask",
+        ),
+        "update_engine": (
+            "engine",
+            "update_mask",
+        ),
+        "update_schema": (
+            "schema",
+            "allow_missing",
+        ),
+        "update_serving_config": (
+            "serving_config",
+            "update_mask",
+        ),
+        "update_session": (
+            "session",
+            "update_mask",
+        ),
+        "update_target_site": ("target_site",),
+        "write_user_event": (
+            "parent",
+            "user_event",
+            "write_async",
+        ),
     }
 
     def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
@@ -148,30 +515,32 @@ def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
             return updated
 
         kwargs, ctrl_kwargs = partition(
-            lambda a: a.keyword.value not in self.CTRL_PARAMS,
-            kwargs
+            lambda a: a.keyword.value not in self.CTRL_PARAMS, kwargs
         )
 
-        args, ctrl_args = args[:len(kword_params)], args[len(kword_params):]
-        ctrl_kwargs.extend(cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
-                           for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS))
+        args, ctrl_args = args[: len(kword_params)], args[len(kword_params) :]
+        ctrl_kwargs.extend(
+            cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
+            for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS)
+        )
 
         request_arg = cst.Arg(
-            value=cst.Dict([
-                cst.DictElement(
-                    cst.SimpleString("'{}'".format(name)),
-cst.Element(value=arg.value)
-                )
-                # Note: the args + kwargs looks silly, but keep in mind that
-                # the control parameters had to be stripped out, and that
-                # those could have been passed positionally or by keyword.
-                for name, arg in zip(kword_params, args + kwargs)]),
-            keyword=cst.Name("request")
+            value=cst.Dict(
+                [
+                    cst.DictElement(
+                        cst.SimpleString("'{}'".format(name)),
+                        cst.Element(value=arg.value),
+                    )
+                    # Note: the args + kwargs looks silly, but keep in mind that
+                    # the control parameters had to be stripped out, and that
+                    # those could have been passed positionally or by keyword.
+                    for name, arg in zip(kword_params, args + kwargs)
+                ]
+            ),
+            keyword=cst.Name("request"),
         )
 
-        return updated.with_changes(
-            args=[request_arg] + ctrl_kwargs
-        )
+        return updated.with_changes(args=[request_arg] + ctrl_kwargs)
 
 
 def fix_files(
@@ -189,11 +558,12 @@ def fix_files(
     pyfile_gen = (
         pathlib.Path(os.path.join(root, f))
         for root, _, files in os.walk(in_dir)
-        for f in files if os.path.splitext(f)[1] == ".py"
+        for f in files
+        if os.path.splitext(f)[1] == ".py"
     )
 
     for fpath in pyfile_gen:
-        with open(fpath, 'r') as f:
+        with open(fpath, "r") as f:
             src = f.read()
 
         # Parse the code and insert method call fixes.
@@ -205,11 +575,11 @@ def fix_files(
         updated_path.parent.mkdir(parents=True, exist_ok=True)
 
         # Generate the updated source file at the corresponding path.
-        with open(updated_path, 'w') as f:
+        with open(updated_path, "w") as f:
             f.write(updated.code)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     parser = argparse.ArgumentParser(
         description="""Fix up source that uses the discoveryengine client library.
 
@@ -224,20 +594,21 @@ def fix_files(
 
       These all constitute false negatives. The tool will also detect false
       positives when an API method shares a name with another method.
-""")
+"""
+    )
     parser.add_argument(
-        '-d',
-        '--input-directory',
+        "-d",
+        "--input-directory",
         required=True,
-        dest='input_dir',
-        help='the input directory to walk for python files to fix up',
+        dest="input_dir",
+        help="the input directory to walk for python files to fix up",
     )
     parser.add_argument(
-        '-o',
-        '--output-directory',
+        "-o",
+        "--output-directory",
         required=True,
-        dest='output_dir',
-        help='the directory to output files fixed via un-flattening',
+        dest="output_dir",
+        help="the directory to output files fixed via un-flattening",
     )
     args = parser.parse_args()
     input_dir = pathlib.Path(args.input_dir)
diff --git a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1alpha_keywords.py b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1alpha_keywords.py
index 9a45d1dd795d..1f3866947078 100644
--- a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1alpha_keywords.py
+++ b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1alpha_keywords.py
@@ -19,12 +19,11 @@
 import libcst as cst
 import pathlib
 import sys
-from typing import (Any, Callable, Dict, List, Sequence, Tuple)
+from typing import Any, Callable, Dict, List, Sequence, Tuple
 
 
 def partition(
-    predicate: Callable[[Any], bool],
-    iterator: Sequence[Any]
+    predicate: Callable[[Any], bool], iterator: Sequence[Any]
 ) -> Tuple[List[Any], List[Any]]:
     """A stable, out-of-place partition."""
     results = ([], [])
@@ -37,111 +36,440 @@ def partition(
 
 
 class discoveryengineCallTransformer(cst.CSTTransformer):
-    CTRL_PARAMS: Tuple[str] = ('retry', 'timeout', 'metadata')
+    CTRL_PARAMS: Tuple[str] = ("retry", "timeout", "metadata")
     METHOD_TO_PARAMS: Dict[str, Tuple[str]] = {
-        'answer_query': ('serving_config', 'query', 'session', 'safety_spec', 'related_questions_spec', 'answer_generation_spec', 'search_spec', 'query_understanding_spec', 'asynchronous_mode', 'user_pseudo_id', 'user_labels', ),
-        'batch_create_target_sites': ('parent', 'requests', ),
-        'batch_get_documents_metadata': ('parent', 'matcher', ),
-        'batch_verify_target_sites': ('parent', ),
-        'check_grounding': ('grounding_config', 'answer_candidate', 'facts', 'grounding_spec', 'user_labels', ),
-        'collect_user_event': ('parent', 'user_event', 'uri', 'ets', ),
-        'complete_query': ('data_store', 'query', 'query_model', 'user_pseudo_id', 'include_tail_suggestions', ),
-        'converse_conversation': ('name', 'query', 'serving_config', 'conversation', 'safe_search', 'user_labels', 'summary_spec', 'filter', 'boost_spec', ),
-        'create_control': ('parent', 'control', 'control_id', ),
-        'create_conversation': ('parent', 'conversation', ),
-        'create_data_store': ('parent', 'data_store', 'data_store_id', 'create_advanced_site_search', 'skip_default_schema_creation', ),
-        'create_document': ('parent', 'document', 'document_id', ),
-        'create_engine': ('parent', 'engine', 'engine_id', ),
-        'create_evaluation': ('parent', 'evaluation', ),
-        'create_sample_query': ('parent', 'sample_query', 'sample_query_id', ),
-        'create_sample_query_set': ('parent', 'sample_query_set', 'sample_query_set_id', ),
-        'create_schema': ('parent', 'schema', 'schema_id', ),
-        'create_session': ('parent', 'session', ),
-        'create_target_site': ('parent', 'target_site', ),
-        'delete_control': ('name', ),
-        'delete_conversation': ('name', ),
-        'delete_data_store': ('name', ),
-        'delete_document': ('name', ),
-        'delete_engine': ('name', ),
-        'delete_sample_query': ('name', ),
-        'delete_sample_query_set': ('name', ),
-        'delete_schema': ('name', ),
-        'delete_session': ('name', ),
-        'delete_target_site': ('name', ),
-        'disable_advanced_site_search': ('site_search_engine', ),
-        'enable_advanced_site_search': ('site_search_engine', ),
-        'estimate_data_size': ('location', 'website_data_source', 'file_data_source', ),
-        'fetch_domain_verification_status': ('site_search_engine', 'page_size', 'page_token', ),
-        'get_acl_config': ('name', ),
-        'get_answer': ('name', ),
-        'get_chunk': ('name', ),
-        'get_control': ('name', ),
-        'get_conversation': ('name', ),
-        'get_data_store': ('name', ),
-        'get_document': ('name', ),
-        'get_document_processing_config': ('name', ),
-        'get_engine': ('name', ),
-        'get_evaluation': ('name', ),
-        'get_processed_document': ('name', 'processed_document_type', 'processed_document_format', ),
-        'get_project': ('name', ),
-        'get_sample_query': ('name', ),
-        'get_sample_query_set': ('name', ),
-        'get_schema': ('name', ),
-        'get_serving_config': ('name', ),
-        'get_session': ('name', 'include_answer_details', ),
-        'get_site_search_engine': ('name', ),
-        'get_target_site': ('name', ),
-        'get_uri_pattern_document_data': ('site_search_engine', ),
-        'import_completion_suggestions': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'import_documents': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'fhir_store_source', 'spanner_source', 'cloud_sql_source', 'firestore_source', 'alloy_db_source', 'bigtable_source', 'error_config', 'reconciliation_mode', 'update_mask', 'auto_generate_ids', 'id_field', ),
-        'import_sample_queries': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'import_suggestion_deny_list_entries': ('parent', 'inline_source', 'gcs_source', ),
-        'import_user_events': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'list_chunks': ('parent', 'page_size', 'page_token', ),
-        'list_controls': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_conversations': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_custom_models': ('data_store', ),
-        'list_data_stores': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_documents': ('parent', 'page_size', 'page_token', ),
-        'list_engines': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_evaluation_results': ('evaluation', 'page_size', 'page_token', ),
-        'list_evaluations': ('parent', 'page_size', 'page_token', ),
-        'list_files': ('parent', 'filter', 'page_size', 'page_token', ),
-        'list_sample_queries': ('parent', 'page_size', 'page_token', ),
-        'list_sample_query_sets': ('parent', 'page_size', 'page_token', ),
-        'list_schemas': ('parent', 'page_size', 'page_token', ),
-        'list_serving_configs': ('parent', 'page_size', 'page_token', ),
-        'list_sessions': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_target_sites': ('parent', 'page_size', 'page_token', ),
-        'pause_engine': ('name', ),
-        'provision_project': ('name', 'accept_data_use_terms', 'data_use_terms_version', ),
-        'purge_completion_suggestions': ('parent', ),
-        'purge_documents': ('parent', 'filter', 'gcs_source', 'inline_source', 'error_config', 'force', ),
-        'purge_suggestion_deny_list_entries': ('parent', ),
-        'purge_user_events': ('parent', 'filter', 'force', ),
-        'rank': ('ranking_config', 'records', 'model', 'top_n', 'query', 'ignore_record_details_in_response', 'user_labels', ),
-        'recommend': ('serving_config', 'user_event', 'page_size', 'filter', 'validate_only', 'params', 'user_labels', ),
-        'recrawl_uris': ('site_search_engine', 'uris', ),
-        'report_consent_change': ('consent_change_action', 'project', 'service_term_id', 'service_term_version', ),
-        'resume_engine': ('name', ),
-        'search': ('serving_config', 'branch', 'query', 'image_query', 'page_size', 'page_token', 'offset', 'data_store_specs', 'filter', 'canonical_filter', 'order_by', 'user_info', 'language_code', 'region_code', 'facet_specs', 'boost_spec', 'params', 'query_expansion_spec', 'spell_correction_spec', 'user_pseudo_id', 'content_search_spec', 'embedding_spec', 'ranking_expression', 'ranking_expression_backend', 'safe_search', 'user_labels', 'natural_language_query_understanding_spec', 'search_as_you_type_spec', 'custom_fine_tuning_spec', 'session', 'session_spec', 'relevance_threshold', ),
-        'set_uri_pattern_document_data': ('site_search_engine', 'document_data_map', 'empty_document_data_map', 'schema', ),
-        'train_custom_model': ('data_store', 'gcs_training_input', 'model_type', 'error_config', 'model_id', ),
-        'tune_engine': ('name', ),
-        'update_acl_config': ('acl_config', ),
-        'update_control': ('control', 'update_mask', ),
-        'update_conversation': ('conversation', 'update_mask', ),
-        'update_data_store': ('data_store', 'update_mask', ),
-        'update_document': ('document', 'allow_missing', 'update_mask', ),
-        'update_document_processing_config': ('document_processing_config', 'update_mask', ),
-        'update_engine': ('engine', 'update_mask', ),
-        'update_sample_query': ('sample_query', 'update_mask', ),
-        'update_sample_query_set': ('sample_query_set', 'update_mask', ),
-        'update_schema': ('schema', 'allow_missing', ),
-        'update_serving_config': ('serving_config', 'update_mask', ),
-        'update_session': ('session', 'update_mask', ),
-        'update_target_site': ('target_site', ),
-        'write_user_event': ('parent', 'user_event', 'write_async', ),
+        "answer_query": (
+            "serving_config",
+            "query",
+            "session",
+            "safety_spec",
+            "related_questions_spec",
+            "answer_generation_spec",
+            "search_spec",
+            "query_understanding_spec",
+            "asynchronous_mode",
+            "user_pseudo_id",
+            "user_labels",
+        ),
+        "batch_create_target_sites": (
+            "parent",
+            "requests",
+        ),
+        "batch_get_documents_metadata": (
+            "parent",
+            "matcher",
+        ),
+        "batch_verify_target_sites": ("parent",),
+        "check_grounding": (
+            "grounding_config",
+            "answer_candidate",
+            "facts",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "collect_user_event": (
+            "parent",
+            "user_event",
+            "uri",
+            "ets",
+        ),
+        "complete_query": (
+            "data_store",
+            "query",
+            "query_model",
+            "user_pseudo_id",
+            "include_tail_suggestions",
+        ),
+        "converse_conversation": (
+            "name",
+            "query",
+            "serving_config",
+            "conversation",
+            "safe_search",
+            "user_labels",
+            "summary_spec",
+            "filter",
+            "boost_spec",
+        ),
+        "create_control": (
+            "parent",
+            "control",
+            "control_id",
+        ),
+        "create_conversation": (
+            "parent",
+            "conversation",
+        ),
+        "create_data_store": (
+            "parent",
+            "data_store",
+            "data_store_id",
+            "create_advanced_site_search",
+            "skip_default_schema_creation",
+        ),
+        "create_document": (
+            "parent",
+            "document",
+            "document_id",
+        ),
+        "create_engine": (
+            "parent",
+            "engine",
+            "engine_id",
+        ),
+        "create_evaluation": (
+            "parent",
+            "evaluation",
+        ),
+        "create_sample_query": (
+            "parent",
+            "sample_query",
+            "sample_query_id",
+        ),
+        "create_sample_query_set": (
+            "parent",
+            "sample_query_set",
+            "sample_query_set_id",
+        ),
+        "create_schema": (
+            "parent",
+            "schema",
+            "schema_id",
+        ),
+        "create_session": (
+            "parent",
+            "session",
+        ),
+        "create_target_site": (
+            "parent",
+            "target_site",
+        ),
+        "delete_control": ("name",),
+        "delete_conversation": ("name",),
+        "delete_data_store": ("name",),
+        "delete_document": ("name",),
+        "delete_engine": ("name",),
+        "delete_sample_query": ("name",),
+        "delete_sample_query_set": ("name",),
+        "delete_schema": ("name",),
+        "delete_session": ("name",),
+        "delete_target_site": ("name",),
+        "disable_advanced_site_search": ("site_search_engine",),
+        "enable_advanced_site_search": ("site_search_engine",),
+        "estimate_data_size": (
+            "location",
+            "website_data_source",
+            "file_data_source",
+        ),
+        "fetch_domain_verification_status": (
+            "site_search_engine",
+            "page_size",
+            "page_token",
+        ),
+        "get_acl_config": ("name",),
+        "get_answer": ("name",),
+        "get_chunk": ("name",),
+        "get_control": ("name",),
+        "get_conversation": ("name",),
+        "get_data_store": ("name",),
+        "get_document": ("name",),
+        "get_document_processing_config": ("name",),
+        "get_engine": ("name",),
+        "get_evaluation": ("name",),
+        "get_processed_document": (
+            "name",
+            "processed_document_type",
+            "processed_document_format",
+        ),
+        "get_project": ("name",),
+        "get_sample_query": ("name",),
+        "get_sample_query_set": ("name",),
+        "get_schema": ("name",),
+        "get_serving_config": ("name",),
+        "get_session": (
+            "name",
+            "include_answer_details",
+        ),
+        "get_site_search_engine": ("name",),
+        "get_target_site": ("name",),
+        "get_uri_pattern_document_data": ("site_search_engine",),
+        "import_completion_suggestions": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "import_documents": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "fhir_store_source",
+            "spanner_source",
+            "cloud_sql_source",
+            "firestore_source",
+            "alloy_db_source",
+            "bigtable_source",
+            "error_config",
+            "reconciliation_mode",
+            "update_mask",
+            "auto_generate_ids",
+            "id_field",
+        ),
+        "import_sample_queries": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "import_suggestion_deny_list_entries": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+        ),
+        "import_user_events": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "list_chunks": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_controls": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_conversations": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_custom_models": ("data_store",),
+        "list_data_stores": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_documents": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_engines": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_evaluation_results": (
+            "evaluation",
+            "page_size",
+            "page_token",
+        ),
+        "list_evaluations": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_files": (
+            "parent",
+            "filter",
+            "page_size",
+            "page_token",
+        ),
+        "list_sample_queries": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sample_query_sets": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_schemas": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_serving_configs": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sessions": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_target_sites": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "pause_engine": ("name",),
+        "provision_project": (
+            "name",
+            "accept_data_use_terms",
+            "data_use_terms_version",
+        ),
+        "purge_completion_suggestions": ("parent",),
+        "purge_documents": (
+            "parent",
+            "filter",
+            "gcs_source",
+            "inline_source",
+            "error_config",
+            "force",
+        ),
+        "purge_suggestion_deny_list_entries": ("parent",),
+        "purge_user_events": (
+            "parent",
+            "filter",
+            "force",
+        ),
+        "rank": (
+            "ranking_config",
+            "records",
+            "model",
+            "top_n",
+            "query",
+            "ignore_record_details_in_response",
+            "user_labels",
+        ),
+        "recommend": (
+            "serving_config",
+            "user_event",
+            "page_size",
+            "filter",
+            "validate_only",
+            "params",
+            "user_labels",
+        ),
+        "recrawl_uris": (
+            "site_search_engine",
+            "uris",
+        ),
+        "report_consent_change": (
+            "consent_change_action",
+            "project",
+            "service_term_id",
+            "service_term_version",
+        ),
+        "resume_engine": ("name",),
+        "search": (
+            "serving_config",
+            "branch",
+            "query",
+            "image_query",
+            "page_size",
+            "page_token",
+            "offset",
+            "data_store_specs",
+            "filter",
+            "canonical_filter",
+            "order_by",
+            "user_info",
+            "language_code",
+            "region_code",
+            "facet_specs",
+            "boost_spec",
+            "params",
+            "query_expansion_spec",
+            "spell_correction_spec",
+            "user_pseudo_id",
+            "content_search_spec",
+            "embedding_spec",
+            "ranking_expression",
+            "ranking_expression_backend",
+            "safe_search",
+            "user_labels",
+            "natural_language_query_understanding_spec",
+            "search_as_you_type_spec",
+            "custom_fine_tuning_spec",
+            "session",
+            "session_spec",
+            "relevance_threshold",
+        ),
+        "set_uri_pattern_document_data": (
+            "site_search_engine",
+            "document_data_map",
+            "empty_document_data_map",
+            "schema",
+        ),
+        "train_custom_model": (
+            "data_store",
+            "gcs_training_input",
+            "model_type",
+            "error_config",
+            "model_id",
+        ),
+        "tune_engine": ("name",),
+        "update_acl_config": ("acl_config",),
+        "update_control": (
+            "control",
+            "update_mask",
+        ),
+        "update_conversation": (
+            "conversation",
+            "update_mask",
+        ),
+        "update_data_store": (
+            "data_store",
+            "update_mask",
+        ),
+        "update_document": (
+            "document",
+            "allow_missing",
+            "update_mask",
+        ),
+        "update_document_processing_config": (
+            "document_processing_config",
+            "update_mask",
+        ),
+        "update_engine": (
+            "engine",
+            "update_mask",
+        ),
+        "update_sample_query": (
+            "sample_query",
+            "update_mask",
+        ),
+        "update_sample_query_set": (
+            "sample_query_set",
+            "update_mask",
+        ),
+        "update_schema": (
+            "schema",
+            "allow_missing",
+        ),
+        "update_serving_config": (
+            "serving_config",
+            "update_mask",
+        ),
+        "update_session": (
+            "session",
+            "update_mask",
+        ),
+        "update_target_site": ("target_site",),
+        "write_user_event": (
+            "parent",
+            "user_event",
+            "write_async",
+        ),
     }
 
     def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
@@ -160,30 +488,32 @@ def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
             return updated
 
         kwargs, ctrl_kwargs = partition(
-            lambda a: a.keyword.value not in self.CTRL_PARAMS,
-            kwargs
+            lambda a: a.keyword.value not in self.CTRL_PARAMS, kwargs
         )
 
-        args, ctrl_args = args[:len(kword_params)], args[len(kword_params):]
-        ctrl_kwargs.extend(cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
-                           for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS))
+        args, ctrl_args = args[: len(kword_params)], args[len(kword_params) :]
+        ctrl_kwargs.extend(
+            cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
+            for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS)
+        )
 
         request_arg = cst.Arg(
-            value=cst.Dict([
-                cst.DictElement(
-                    cst.SimpleString("'{}'".format(name)),
-cst.Element(value=arg.value)
-                )
-                # Note: the args + kwargs looks silly, but keep in mind that
-                # the control parameters had to be stripped out, and that
-                # those could have been passed positionally or by keyword.
-                for name, arg in zip(kword_params, args + kwargs)]),
-            keyword=cst.Name("request")
+            value=cst.Dict(
+                [
+                    cst.DictElement(
+                        cst.SimpleString("'{}'".format(name)),
+                        cst.Element(value=arg.value),
+                    )
+                    # Note: the args + kwargs looks silly, but keep in mind that
+                    # the control parameters had to be stripped out, and that
+                    # those could have been passed positionally or by keyword.
+                    for name, arg in zip(kword_params, args + kwargs)
+                ]
+            ),
+            keyword=cst.Name("request"),
         )
 
-        return updated.with_changes(
-            args=[request_arg] + ctrl_kwargs
-        )
+        return updated.with_changes(args=[request_arg] + ctrl_kwargs)
 
 
 def fix_files(
@@ -201,11 +531,12 @@ def fix_files(
     pyfile_gen = (
         pathlib.Path(os.path.join(root, f))
         for root, _, files in os.walk(in_dir)
-        for f in files if os.path.splitext(f)[1] == ".py"
+        for f in files
+        if os.path.splitext(f)[1] == ".py"
     )
 
     for fpath in pyfile_gen:
-        with open(fpath, 'r') as f:
+        with open(fpath, "r") as f:
             src = f.read()
 
         # Parse the code and insert method call fixes.
@@ -217,11 +548,11 @@ def fix_files(
         updated_path.parent.mkdir(parents=True, exist_ok=True)
 
         # Generate the updated source file at the corresponding path.
-        with open(updated_path, 'w') as f:
+        with open(updated_path, "w") as f:
             f.write(updated.code)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     parser = argparse.ArgumentParser(
         description="""Fix up source that uses the discoveryengine client library.
 
@@ -236,20 +567,21 @@ def fix_files(
 
       These all constitute false negatives. The tool will also detect false
       positives when an API method shares a name with another method.
-""")
+"""
+    )
     parser.add_argument(
-        '-d',
-        '--input-directory',
+        "-d",
+        "--input-directory",
         required=True,
-        dest='input_dir',
-        help='the input directory to walk for python files to fix up',
+        dest="input_dir",
+        help="the input directory to walk for python files to fix up",
     )
     parser.add_argument(
-        '-o',
-        '--output-directory',
+        "-o",
+        "--output-directory",
         required=True,
-        dest='output_dir',
-        help='the directory to output files fixed via un-flattening',
+        dest="output_dir",
+        help="the directory to output files fixed via un-flattening",
     )
     args = parser.parse_args()
     input_dir = pathlib.Path(args.input_dir)
diff --git a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1beta_keywords.py b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1beta_keywords.py
index 8c188b9bafdc..a6f48d6e282b 100644
--- a/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1beta_keywords.py
+++ b/packages/google-cloud-discoveryengine/scripts/fixup_discoveryengine_v1beta_keywords.py
@@ -19,12 +19,11 @@
 import libcst as cst
 import pathlib
 import sys
-from typing import (Any, Callable, Dict, List, Sequence, Tuple)
+from typing import Any, Callable, Dict, List, Sequence, Tuple
 
 
 def partition(
-    predicate: Callable[[Any], bool],
-    iterator: Sequence[Any]
+    predicate: Callable[[Any], bool], iterator: Sequence[Any]
 ) -> Tuple[List[Any], List[Any]]:
     """A stable, out-of-place partition."""
     results = ([], [])
@@ -37,105 +36,470 @@ def partition(
 
 
 class discoveryengineCallTransformer(cst.CSTTransformer):
-    CTRL_PARAMS: Tuple[str] = ('retry', 'timeout', 'metadata')
+    CTRL_PARAMS: Tuple[str] = ("retry", "timeout", "metadata")
     METHOD_TO_PARAMS: Dict[str, Tuple[str]] = {
-        'advanced_complete_query': ('completion_config', 'query', 'query_model', 'user_pseudo_id', 'user_info', 'include_tail_suggestions', 'boost_spec', 'suggestion_types', ),
-        'answer_query': ('serving_config', 'query', 'session', 'safety_spec', 'related_questions_spec', 'grounding_spec', 'answer_generation_spec', 'search_spec', 'query_understanding_spec', 'asynchronous_mode', 'user_pseudo_id', 'user_labels', ),
-        'batch_create_target_sites': ('parent', 'requests', ),
-        'batch_get_documents_metadata': ('parent', 'matcher', ),
-        'batch_verify_target_sites': ('parent', ),
-        'check_grounding': ('grounding_config', 'answer_candidate', 'facts', 'grounding_spec', 'user_labels', ),
-        'collect_user_event': ('parent', 'user_event', 'uri', 'ets', ),
-        'complete_query': ('data_store', 'query', 'query_model', 'user_pseudo_id', 'include_tail_suggestions', ),
-        'converse_conversation': ('name', 'query', 'serving_config', 'conversation', 'safe_search', 'user_labels', 'summary_spec', 'filter', 'boost_spec', ),
-        'create_control': ('parent', 'control', 'control_id', ),
-        'create_conversation': ('parent', 'conversation', ),
-        'create_data_store': ('parent', 'data_store', 'data_store_id', 'create_advanced_site_search', 'skip_default_schema_creation', ),
-        'create_document': ('parent', 'document', 'document_id', ),
-        'create_engine': ('parent', 'engine', 'engine_id', ),
-        'create_evaluation': ('parent', 'evaluation', ),
-        'create_sample_query': ('parent', 'sample_query', 'sample_query_id', ),
-        'create_sample_query_set': ('parent', 'sample_query_set', 'sample_query_set_id', ),
-        'create_schema': ('parent', 'schema', 'schema_id', ),
-        'create_session': ('parent', 'session', ),
-        'create_sitemap': ('parent', 'sitemap', ),
-        'create_target_site': ('parent', 'target_site', ),
-        'delete_control': ('name', ),
-        'delete_conversation': ('name', ),
-        'delete_data_store': ('name', ),
-        'delete_document': ('name', ),
-        'delete_engine': ('name', ),
-        'delete_sample_query': ('name', ),
-        'delete_sample_query_set': ('name', ),
-        'delete_schema': ('name', ),
-        'delete_session': ('name', ),
-        'delete_sitemap': ('name', ),
-        'delete_target_site': ('name', ),
-        'disable_advanced_site_search': ('site_search_engine', ),
-        'enable_advanced_site_search': ('site_search_engine', ),
-        'fetch_domain_verification_status': ('site_search_engine', 'page_size', 'page_token', ),
-        'fetch_sitemaps': ('parent', 'matcher', ),
-        'generate_grounded_content': ('location', 'system_instruction', 'contents', 'generation_spec', 'grounding_spec', 'user_labels', ),
-        'get_answer': ('name', ),
-        'get_control': ('name', ),
-        'get_conversation': ('name', ),
-        'get_data_store': ('name', ),
-        'get_document': ('name', ),
-        'get_engine': ('name', ),
-        'get_evaluation': ('name', ),
-        'get_sample_query': ('name', ),
-        'get_sample_query_set': ('name', ),
-        'get_schema': ('name', ),
-        'get_serving_config': ('name', ),
-        'get_session': ('name', 'include_answer_details', ),
-        'get_site_search_engine': ('name', ),
-        'get_target_site': ('name', ),
-        'import_completion_suggestions': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'import_documents': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'fhir_store_source', 'spanner_source', 'cloud_sql_source', 'firestore_source', 'alloy_db_source', 'bigtable_source', 'error_config', 'reconciliation_mode', 'update_mask', 'auto_generate_ids', 'id_field', ),
-        'import_sample_queries': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'import_suggestion_deny_list_entries': ('parent', 'inline_source', 'gcs_source', ),
-        'import_user_events': ('parent', 'inline_source', 'gcs_source', 'bigquery_source', 'error_config', ),
-        'list_controls': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_conversations': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_custom_models': ('data_store', ),
-        'list_data_stores': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_documents': ('parent', 'page_size', 'page_token', ),
-        'list_engines': ('parent', 'page_size', 'page_token', 'filter', ),
-        'list_evaluation_results': ('evaluation', 'page_size', 'page_token', ),
-        'list_evaluations': ('parent', 'page_size', 'page_token', ),
-        'list_sample_queries': ('parent', 'page_size', 'page_token', ),
-        'list_sample_query_sets': ('parent', 'page_size', 'page_token', ),
-        'list_schemas': ('parent', 'page_size', 'page_token', ),
-        'list_serving_configs': ('parent', 'page_size', 'page_token', ),
-        'list_sessions': ('parent', 'page_size', 'page_token', 'filter', 'order_by', ),
-        'list_target_sites': ('parent', 'page_size', 'page_token', ),
-        'pause_engine': ('name', ),
-        'provision_project': ('name', 'accept_data_use_terms', 'data_use_terms_version', ),
-        'purge_completion_suggestions': ('parent', ),
-        'purge_documents': ('parent', 'filter', 'gcs_source', 'inline_source', 'error_config', 'force', ),
-        'purge_suggestion_deny_list_entries': ('parent', ),
-        'purge_user_events': ('parent', 'filter', 'force', ),
-        'rank': ('ranking_config', 'records', 'model', 'top_n', 'query', 'ignore_record_details_in_response', 'user_labels', ),
-        'recommend': ('serving_config', 'user_event', 'page_size', 'filter', 'validate_only', 'params', 'user_labels', ),
-        'recrawl_uris': ('site_search_engine', 'uris', 'site_credential', ),
-        'resume_engine': ('name', ),
-        'search': ('serving_config', 'branch', 'query', 'image_query', 'page_size', 'page_token', 'offset', 'one_box_page_size', 'data_store_specs', 'filter', 'canonical_filter', 'order_by', 'user_info', 'language_code', 'region_code', 'facet_specs', 'boost_spec', 'params', 'query_expansion_spec', 'spell_correction_spec', 'user_pseudo_id', 'content_search_spec', 'embedding_spec', 'ranking_expression', 'ranking_expression_backend', 'safe_search', 'user_labels', 'natural_language_query_understanding_spec', 'search_as_you_type_spec', 'session', 'session_spec', 'relevance_threshold', 'personalization_spec', ),
-        'search_lite': ('serving_config', 'branch', 'query', 'image_query', 'page_size', 'page_token', 'offset', 'one_box_page_size', 'data_store_specs', 'filter', 'canonical_filter', 'order_by', 'user_info', 'language_code', 'region_code', 'facet_specs', 'boost_spec', 'params', 'query_expansion_spec', 'spell_correction_spec', 'user_pseudo_id', 'content_search_spec', 'embedding_spec', 'ranking_expression', 'ranking_expression_backend', 'safe_search', 'user_labels', 'natural_language_query_understanding_spec', 'search_as_you_type_spec', 'session', 'session_spec', 'relevance_threshold', 'personalization_spec', ),
-        'stream_generate_grounded_content': ('location', 'system_instruction', 'contents', 'generation_spec', 'grounding_spec', 'user_labels', ),
-        'train_custom_model': ('data_store', 'gcs_training_input', 'model_type', 'error_config', 'model_id', ),
-        'tune_engine': ('name', ),
-        'update_control': ('control', 'update_mask', ),
-        'update_conversation': ('conversation', 'update_mask', ),
-        'update_data_store': ('data_store', 'update_mask', ),
-        'update_document': ('document', 'allow_missing', 'update_mask', ),
-        'update_engine': ('engine', 'update_mask', ),
-        'update_sample_query': ('sample_query', 'update_mask', ),
-        'update_sample_query_set': ('sample_query_set', 'update_mask', ),
-        'update_schema': ('schema', 'allow_missing', ),
-        'update_serving_config': ('serving_config', 'update_mask', ),
-        'update_session': ('session', 'update_mask', ),
-        'update_target_site': ('target_site', ),
-        'write_user_event': ('parent', 'user_event', 'write_async', ),
+        "advanced_complete_query": (
+            "completion_config",
+            "query",
+            "query_model",
+            "user_pseudo_id",
+            "user_info",
+            "include_tail_suggestions",
+            "boost_spec",
+            "suggestion_types",
+        ),
+        "answer_query": (
+            "serving_config",
+            "query",
+            "session",
+            "safety_spec",
+            "related_questions_spec",
+            "grounding_spec",
+            "answer_generation_spec",
+            "search_spec",
+            "query_understanding_spec",
+            "asynchronous_mode",
+            "user_pseudo_id",
+            "user_labels",
+        ),
+        "batch_create_target_sites": (
+            "parent",
+            "requests",
+        ),
+        "batch_get_documents_metadata": (
+            "parent",
+            "matcher",
+        ),
+        "batch_verify_target_sites": ("parent",),
+        "check_grounding": (
+            "grounding_config",
+            "answer_candidate",
+            "facts",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "collect_user_event": (
+            "parent",
+            "user_event",
+            "uri",
+            "ets",
+        ),
+        "complete_query": (
+            "data_store",
+            "query",
+            "query_model",
+            "user_pseudo_id",
+            "include_tail_suggestions",
+        ),
+        "converse_conversation": (
+            "name",
+            "query",
+            "serving_config",
+            "conversation",
+            "safe_search",
+            "user_labels",
+            "summary_spec",
+            "filter",
+            "boost_spec",
+        ),
+        "create_control": (
+            "parent",
+            "control",
+            "control_id",
+        ),
+        "create_conversation": (
+            "parent",
+            "conversation",
+        ),
+        "create_data_store": (
+            "parent",
+            "data_store",
+            "data_store_id",
+            "create_advanced_site_search",
+            "skip_default_schema_creation",
+        ),
+        "create_document": (
+            "parent",
+            "document",
+            "document_id",
+        ),
+        "create_engine": (
+            "parent",
+            "engine",
+            "engine_id",
+        ),
+        "create_evaluation": (
+            "parent",
+            "evaluation",
+        ),
+        "create_sample_query": (
+            "parent",
+            "sample_query",
+            "sample_query_id",
+        ),
+        "create_sample_query_set": (
+            "parent",
+            "sample_query_set",
+            "sample_query_set_id",
+        ),
+        "create_schema": (
+            "parent",
+            "schema",
+            "schema_id",
+        ),
+        "create_session": (
+            "parent",
+            "session",
+        ),
+        "create_sitemap": (
+            "parent",
+            "sitemap",
+        ),
+        "create_target_site": (
+            "parent",
+            "target_site",
+        ),
+        "delete_control": ("name",),
+        "delete_conversation": ("name",),
+        "delete_data_store": ("name",),
+        "delete_document": ("name",),
+        "delete_engine": ("name",),
+        "delete_sample_query": ("name",),
+        "delete_sample_query_set": ("name",),
+        "delete_schema": ("name",),
+        "delete_session": ("name",),
+        "delete_sitemap": ("name",),
+        "delete_target_site": ("name",),
+        "disable_advanced_site_search": ("site_search_engine",),
+        "enable_advanced_site_search": ("site_search_engine",),
+        "fetch_domain_verification_status": (
+            "site_search_engine",
+            "page_size",
+            "page_token",
+        ),
+        "fetch_sitemaps": (
+            "parent",
+            "matcher",
+        ),
+        "generate_grounded_content": (
+            "location",
+            "system_instruction",
+            "contents",
+            "generation_spec",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "get_answer": ("name",),
+        "get_control": ("name",),
+        "get_conversation": ("name",),
+        "get_data_store": ("name",),
+        "get_document": ("name",),
+        "get_engine": ("name",),
+        "get_evaluation": ("name",),
+        "get_sample_query": ("name",),
+        "get_sample_query_set": ("name",),
+        "get_schema": ("name",),
+        "get_serving_config": ("name",),
+        "get_session": (
+            "name",
+            "include_answer_details",
+        ),
+        "get_site_search_engine": ("name",),
+        "get_target_site": ("name",),
+        "import_completion_suggestions": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "import_documents": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "fhir_store_source",
+            "spanner_source",
+            "cloud_sql_source",
+            "firestore_source",
+            "alloy_db_source",
+            "bigtable_source",
+            "error_config",
+            "reconciliation_mode",
+            "update_mask",
+            "auto_generate_ids",
+            "id_field",
+        ),
+        "import_sample_queries": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "import_suggestion_deny_list_entries": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+        ),
+        "import_user_events": (
+            "parent",
+            "inline_source",
+            "gcs_source",
+            "bigquery_source",
+            "error_config",
+        ),
+        "list_controls": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_conversations": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_custom_models": ("data_store",),
+        "list_data_stores": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_documents": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_engines": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+        ),
+        "list_evaluation_results": (
+            "evaluation",
+            "page_size",
+            "page_token",
+        ),
+        "list_evaluations": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sample_queries": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sample_query_sets": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_schemas": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_serving_configs": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "list_sessions": (
+            "parent",
+            "page_size",
+            "page_token",
+            "filter",
+            "order_by",
+        ),
+        "list_target_sites": (
+            "parent",
+            "page_size",
+            "page_token",
+        ),
+        "pause_engine": ("name",),
+        "provision_project": (
+            "name",
+            "accept_data_use_terms",
+            "data_use_terms_version",
+        ),
+        "purge_completion_suggestions": ("parent",),
+        "purge_documents": (
+            "parent",
+            "filter",
+            "gcs_source",
+            "inline_source",
+            "error_config",
+            "force",
+        ),
+        "purge_suggestion_deny_list_entries": ("parent",),
+        "purge_user_events": (
+            "parent",
+            "filter",
+            "force",
+        ),
+        "rank": (
+            "ranking_config",
+            "records",
+            "model",
+            "top_n",
+            "query",
+            "ignore_record_details_in_response",
+            "user_labels",
+        ),
+        "recommend": (
+            "serving_config",
+            "user_event",
+            "page_size",
+            "filter",
+            "validate_only",
+            "params",
+            "user_labels",
+        ),
+        "recrawl_uris": (
+            "site_search_engine",
+            "uris",
+            "site_credential",
+        ),
+        "resume_engine": ("name",),
+        "search": (
+            "serving_config",
+            "branch",
+            "query",
+            "image_query",
+            "page_size",
+            "page_token",
+            "offset",
+            "one_box_page_size",
+            "data_store_specs",
+            "filter",
+            "canonical_filter",
+            "order_by",
+            "user_info",
+            "language_code",
+            "region_code",
+            "facet_specs",
+            "boost_spec",
+            "params",
+            "query_expansion_spec",
+            "spell_correction_spec",
+            "user_pseudo_id",
+            "content_search_spec",
+            "embedding_spec",
+            "ranking_expression",
+            "ranking_expression_backend",
+            "safe_search",
+            "user_labels",
+            "natural_language_query_understanding_spec",
+            "search_as_you_type_spec",
+            "session",
+            "session_spec",
+            "relevance_threshold",
+            "personalization_spec",
+        ),
+        "search_lite": (
+            "serving_config",
+            "branch",
+            "query",
+            "image_query",
+            "page_size",
+            "page_token",
+            "offset",
+            "one_box_page_size",
+            "data_store_specs",
+            "filter",
+            "canonical_filter",
+            "order_by",
+            "user_info",
+            "language_code",
+            "region_code",
+            "facet_specs",
+            "boost_spec",
+            "params",
+            "query_expansion_spec",
+            "spell_correction_spec",
+            "user_pseudo_id",
+            "content_search_spec",
+            "embedding_spec",
+            "ranking_expression",
+            "ranking_expression_backend",
+            "safe_search",
+            "user_labels",
+            "natural_language_query_understanding_spec",
+            "search_as_you_type_spec",
+            "session",
+            "session_spec",
+            "relevance_threshold",
+            "personalization_spec",
+        ),
+        "stream_generate_grounded_content": (
+            "location",
+            "system_instruction",
+            "contents",
+            "generation_spec",
+            "grounding_spec",
+            "user_labels",
+        ),
+        "train_custom_model": (
+            "data_store",
+            "gcs_training_input",
+            "model_type",
+            "error_config",
+            "model_id",
+        ),
+        "tune_engine": ("name",),
+        "update_control": (
+            "control",
+            "update_mask",
+        ),
+        "update_conversation": (
+            "conversation",
+            "update_mask",
+        ),
+        "update_data_store": (
+            "data_store",
+            "update_mask",
+        ),
+        "update_document": (
+            "document",
+            "allow_missing",
+            "update_mask",
+        ),
+        "update_engine": (
+            "engine",
+            "update_mask",
+        ),
+        "update_sample_query": (
+            "sample_query",
+            "update_mask",
+        ),
+        "update_sample_query_set": (
+            "sample_query_set",
+            "update_mask",
+        ),
+        "update_schema": (
+            "schema",
+            "allow_missing",
+        ),
+        "update_serving_config": (
+            "serving_config",
+            "update_mask",
+        ),
+        "update_session": (
+            "session",
+            "update_mask",
+        ),
+        "update_target_site": ("target_site",),
+        "write_user_event": (
+            "parent",
+            "user_event",
+            "write_async",
+        ),
     }
 
     def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
@@ -154,30 +518,32 @@ def leave_Call(self, original: cst.Call, updated: cst.Call) -> cst.CSTNode:
             return updated
 
         kwargs, ctrl_kwargs = partition(
-            lambda a: a.keyword.value not in self.CTRL_PARAMS,
-            kwargs
+            lambda a: a.keyword.value not in self.CTRL_PARAMS, kwargs
         )
 
-        args, ctrl_args = args[:len(kword_params)], args[len(kword_params):]
-        ctrl_kwargs.extend(cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
-                           for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS))
+        args, ctrl_args = args[: len(kword_params)], args[len(kword_params) :]
+        ctrl_kwargs.extend(
+            cst.Arg(value=a.value, keyword=cst.Name(value=ctrl))
+            for a, ctrl in zip(ctrl_args, self.CTRL_PARAMS)
+        )
 
         request_arg = cst.Arg(
-            value=cst.Dict([
-                cst.DictElement(
-                    cst.SimpleString("'{}'".format(name)),
-cst.Element(value=arg.value)
-                )
-                # Note: the args + kwargs looks silly, but keep in mind that
-                # the control parameters had to be stripped out, and that
-                # those could have been passed positionally or by keyword.
-                for name, arg in zip(kword_params, args + kwargs)]),
-            keyword=cst.Name("request")
+            value=cst.Dict(
+                [
+                    cst.DictElement(
+                        cst.SimpleString("'{}'".format(name)),
+                        cst.Element(value=arg.value),
+                    )
+                    # Note: the args + kwargs looks silly, but keep in mind that
+                    # the control parameters had to be stripped out, and that
+                    # those could have been passed positionally or by keyword.
+                    for name, arg in zip(kword_params, args + kwargs)
+                ]
+            ),
+            keyword=cst.Name("request"),
         )
 
-        return updated.with_changes(
-            args=[request_arg] + ctrl_kwargs
-        )
+        return updated.with_changes(args=[request_arg] + ctrl_kwargs)
 
 
 def fix_files(
@@ -195,11 +561,12 @@ def fix_files(
     pyfile_gen = (
         pathlib.Path(os.path.join(root, f))
         for root, _, files in os.walk(in_dir)
-        for f in files if os.path.splitext(f)[1] == ".py"
+        for f in files
+        if os.path.splitext(f)[1] == ".py"
     )
 
     for fpath in pyfile_gen:
-        with open(fpath, 'r') as f:
+        with open(fpath, "r") as f:
             src = f.read()
 
         # Parse the code and insert method call fixes.
@@ -211,11 +578,11 @@ def fix_files(
         updated_path.parent.mkdir(parents=True, exist_ok=True)
 
         # Generate the updated source file at the corresponding path.
-        with open(updated_path, 'w') as f:
+        with open(updated_path, "w") as f:
             f.write(updated.code)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     parser = argparse.ArgumentParser(
         description="""Fix up source that uses the discoveryengine client library.
 
@@ -230,20 +597,21 @@ def fix_files(
 
       These all constitute false negatives. The tool will also detect false
       positives when an API method shares a name with another method.
-""")
+"""
+    )
     parser.add_argument(
-        '-d',
-        '--input-directory',
+        "-d",
+        "--input-directory",
         required=True,
-        dest='input_dir',
-        help='the input directory to walk for python files to fix up',
+        dest="input_dir",
+        help="the input directory to walk for python files to fix up",
     )
     parser.add_argument(
-        '-o',
-        '--output-directory',
+        "-o",
+        "--output-directory",
         required=True,
-        dest='output_dir',
-        help='the directory to output files fixed via un-flattening',
+        dest="output_dir",
+        help="the directory to output files fixed via un-flattening",
     )
     args = parser.parse_args()
     input_dir = pathlib.Path(args.input_dir)
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_assistant_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_assistant_service.py
index 2d5b456b0c9b..f7a78cc208a8 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_assistant_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_assistant_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,28 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1.services.assistant_service import (
     AssistantServiceAsyncClient,
-    AssistantServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1.types import (
-    assist_answer,
-    assistant_service,
-    search_service,
-    session,
+from google.cloud.discoveryengine_v1.services.assistant_service import (
+    AssistantServiceClient,
 )
+from google.cloud.discoveryengine_v1.services.assistant_service import transports
+from google.cloud.discoveryengine_v1.types import assist_answer
+from google.cloud.discoveryengine_v1.types import assistant_service
+from google.cloud.discoveryengine_v1.types import search_service
+from google.cloud.discoveryengine_v1.types import session
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -855,10 +859,9 @@ def test_assistant_service_client_get_mtls_endpoint_and_cert_source(client_class
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1118,13 +1121,13 @@ def test_assistant_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1698,8 +1701,9 @@ def test_stream_assist_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1768,17 +1772,20 @@ def test_stream_assist_rest_interceptors(null_interceptor):
     )
     client = AssistantServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.AssistantServiceRestInterceptor, "post_stream_assist"
-    ) as post, mock.patch.object(
-        transports.AssistantServiceRestInterceptor, "post_stream_assist_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.AssistantServiceRestInterceptor, "pre_stream_assist"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.AssistantServiceRestInterceptor, "post_stream_assist"
+        ) as post,
+        mock.patch.object(
+            transports.AssistantServiceRestInterceptor,
+            "post_stream_assist_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.AssistantServiceRestInterceptor, "pre_stream_assist"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1838,8 +1845,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1900,8 +1908,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1960,8 +1969,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2092,11 +2102,14 @@ def test_assistant_service_base_transport():
 
 def test_assistant_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.assistant_service.transports.AssistantServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.assistant_service.transports.AssistantServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.AssistantServiceTransport(
@@ -2113,9 +2126,12 @@ def test_assistant_service_base_transport_with_credentials_file():
 
 def test_assistant_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.assistant_service.transports.AssistantServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.assistant_service.transports.AssistantServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.AssistantServiceTransport()
@@ -2187,11 +2203,12 @@ def test_assistant_service_transport_auth_gdch_credentials(transport_class):
 def test_assistant_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_cmek_config_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_cmek_config_service.py
index a19caa1be409..6e54c147d874 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_cmek_config_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_cmek_config_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,33 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.cmek_config_service import (
     CmekConfigServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.cmek_config_service import (
     CmekConfigServiceClient,
-    transports,
 )
+from google.cloud.discoveryengine_v1.services.cmek_config_service import transports
 from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -868,10 +869,9 @@ def test_cmek_config_service_client_get_mtls_endpoint_and_cert_source(client_cla
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1131,13 +1131,13 @@ def test_cmek_config_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1243,9 +1243,9 @@ def test_update_cmek_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_cmek_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_cmek_config] = (
+            mock_rpc
+        )
         request = {}
         client.update_cmek_config(request)
 
@@ -1941,9 +1941,9 @@ def test_list_cmek_configs_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_cmek_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_cmek_configs] = (
+            mock_rpc
+        )
         request = {}
         client.list_cmek_configs(request)
 
@@ -2277,9 +2277,9 @@ def test_delete_cmek_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_cmek_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_cmek_config] = (
+            mock_rpc
+        )
         request = {}
         client.delete_cmek_config(request)
 
@@ -2558,9 +2558,9 @@ def test_update_cmek_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_cmek_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_cmek_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_cmek_config(request)
@@ -2914,9 +2914,9 @@ def test_list_cmek_configs_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_cmek_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_cmek_configs] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_cmek_configs(request)
@@ -3096,9 +3096,9 @@ def test_delete_cmek_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_cmek_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_cmek_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_cmek_config(request)
@@ -3598,8 +3598,9 @@ def test_update_cmek_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3733,20 +3734,21 @@ def test_update_cmek_config_rest_interceptors(null_interceptor):
     )
     client = CmekConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "post_update_cmek_config"
-    ) as post, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor,
-        "post_update_cmek_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "pre_update_cmek_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "post_update_cmek_config"
+        ) as post,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor,
+            "post_update_cmek_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "pre_update_cmek_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3799,8 +3801,9 @@ def test_get_cmek_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3878,18 +3881,20 @@ def test_get_cmek_config_rest_interceptors(null_interceptor):
     )
     client = CmekConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "post_get_cmek_config"
-    ) as post, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor,
-        "post_get_cmek_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "pre_get_cmek_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "post_get_cmek_config"
+        ) as post,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor,
+            "post_get_cmek_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "pre_get_cmek_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3944,8 +3949,9 @@ def test_list_cmek_configs_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4005,18 +4011,20 @@ def test_list_cmek_configs_rest_interceptors(null_interceptor):
     )
     client = CmekConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "post_list_cmek_configs"
-    ) as post, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor,
-        "post_list_cmek_configs_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "pre_list_cmek_configs"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "post_list_cmek_configs"
+        ) as post,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor,
+            "post_list_cmek_configs_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "pre_list_cmek_configs"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4074,8 +4082,9 @@ def test_delete_cmek_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4132,20 +4141,21 @@ def test_delete_cmek_config_rest_interceptors(null_interceptor):
     )
     client = CmekConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "post_delete_cmek_config"
-    ) as post, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor,
-        "post_delete_cmek_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CmekConfigServiceRestInterceptor, "pre_delete_cmek_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "post_delete_cmek_config"
+        ) as post,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor,
+            "post_delete_cmek_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CmekConfigServiceRestInterceptor, "pre_delete_cmek_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4200,8 +4210,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4262,8 +4273,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4322,8 +4334,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4545,11 +4558,14 @@ def test_cmek_config_service_base_transport():
 
 def test_cmek_config_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.cmek_config_service.transports.CmekConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.cmek_config_service.transports.CmekConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CmekConfigServiceTransport(
@@ -4566,9 +4582,12 @@ def test_cmek_config_service_base_transport_with_credentials_file():
 
 def test_cmek_config_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.cmek_config_service.transports.CmekConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.cmek_config_service.transports.CmekConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CmekConfigServiceTransport()
@@ -4640,11 +4659,12 @@ def test_cmek_config_service_transport_auth_gdch_credentials(transport_class):
 def test_cmek_config_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_completion_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_completion_service.py
index c8b54b2147cf..e9e1fd144506 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_completion_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_completion_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,38 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.completion_service import (
+    CompletionServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.completion_service import (
+    CompletionServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.completion_service import transports
+from google.cloud.discoveryengine_v1.types import completion
+from google.cloud.discoveryengine_v1.types import completion_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    completion,
-    completion_service,
-    import_config,
-    purge_config,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -873,10 +872,9 @@ def test_completion_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1136,13 +1134,13 @@ def test_completion_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3515,8 +3513,9 @@ def test_complete_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3581,17 +3580,20 @@ def test_complete_query_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_complete_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "post_complete_query"
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_complete_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "pre_complete_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3651,8 +3653,9 @@ def test_import_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3711,22 +3714,23 @@ def test_import_suggestion_deny_list_entries_rest_interceptors(null_interceptor)
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_import_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3781,8 +3785,9 @@ def test_purge_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3841,22 +3846,23 @@ def test_purge_suggestion_deny_list_entries_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_purge_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3911,8 +3917,9 @@ def test_import_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3971,21 +3978,23 @@ def test_import_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_import_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4040,8 +4049,9 @@ def test_purge_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4100,20 +4110,23 @@ def test_purge_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_purge_completion_suggestions"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_purge_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4168,8 +4181,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4230,8 +4244,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4290,8 +4305,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4536,11 +4552,14 @@ def test_completion_service_base_transport():
 
 def test_completion_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport(
@@ -4557,9 +4576,12 @@ def test_completion_service_base_transport_with_credentials_file():
 
 def test_completion_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport()
@@ -4631,11 +4653,12 @@ def test_completion_service_transport_auth_gdch_credentials(transport_class):
 def test_completion_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_control_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_control_service.py
index 858483c7e478..5a98029079d9 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_control_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_control_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,29 +44,34 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.control_service import (
     ControlServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.control_service import (
     ControlServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1.services.control_service import pagers
+from google.cloud.discoveryengine_v1.services.control_service import transports
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import control
 from google.cloud.discoveryengine_v1.types import control as gcd_control
 from google.cloud.discoveryengine_v1.types import control_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -831,10 +837,9 @@ def test_control_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1089,13 +1094,13 @@ def test_control_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4420,8 +4425,9 @@ def test_create_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4608,17 +4614,20 @@ def test_create_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_create_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_create_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_create_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_create_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4673,8 +4682,9 @@ def test_delete_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4733,13 +4743,13 @@ def test_delete_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_delete_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_delete_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = control_service.DeleteControlRequest.pb(
             control_service.DeleteControlRequest()
@@ -4788,8 +4798,9 @@ def test_update_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4980,17 +4991,20 @@ def test_update_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_update_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_update_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_update_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_update_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5043,8 +5057,9 @@ def test_get_control_rest_bad_request(request_type=control_service.GetControlReq
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5119,17 +5134,19 @@ def test_get_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_get_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_get_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5182,8 +5199,9 @@ def test_list_controls_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5246,17 +5264,19 @@ def test_list_controls_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_list_controls"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_list_controls"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5316,8 +5336,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5378,8 +5399,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5438,8 +5460,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5654,11 +5677,14 @@ def test_control_service_base_transport():
 
 def test_control_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport(
@@ -5675,9 +5701,12 @@ def test_control_service_base_transport_with_credentials_file():
 
 def test_control_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport()
@@ -5749,11 +5778,12 @@ def test_control_service_transport_auth_gdch_credentials(transport_class):
 def test_control_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_conversational_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_conversational_search_service.py
index 9081906a5a8e..3ecfc45d5830 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_conversational_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,36 +44,44 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.conversational_search_service import (
     ConversationalSearchServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.conversational_search_service import (
     pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1.types import (
-    conversational_search_service,
-    safety,
-    search_service,
+from google.cloud.discoveryengine_v1.services.conversational_search_service import (
+    transports,
 )
-from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1.types import answer, assist_answer
+from google.cloud.discoveryengine_v1.types import answer
+from google.cloud.discoveryengine_v1.types import assist_answer
 from google.cloud.discoveryengine_v1.types import conversation
+from google.cloud.discoveryengine_v1.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import safety
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import session
 from google.cloud.discoveryengine_v1.types import session as gcd_session
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -902,10 +911,9 @@ def test_conversational_search_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1176,13 +1184,13 @@ def test_conversational_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1299,9 +1307,9 @@ def test_converse_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.converse_conversation(request)
 
@@ -1654,9 +1662,9 @@ def test_create_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.create_conversation(request)
 
@@ -2007,9 +2015,9 @@ def test_delete_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.delete_conversation(request)
 
@@ -2340,9 +2348,9 @@ def test_update_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.update_conversation(request)
 
@@ -2694,9 +2702,9 @@ def test_get_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.get_conversation(request)
 
@@ -3036,9 +3044,9 @@ def test_list_conversations_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
         request = {}
         client.list_conversations(request)
 
@@ -3828,9 +3836,9 @@ def test_stream_answer_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.stream_answer_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.stream_answer_query] = (
+            mock_rpc
+        )
         request = {}
         client.stream_answer_query(request)
 
@@ -6235,9 +6243,9 @@ def test_converse_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.converse_conversation(request)
@@ -6436,9 +6444,9 @@ def test_create_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_conversation(request)
@@ -6631,9 +6639,9 @@ def test_delete_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_conversation(request)
@@ -6810,9 +6818,9 @@ def test_update_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_conversation(request)
@@ -6994,9 +7002,9 @@ def test_get_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_conversation(request)
@@ -7178,9 +7186,9 @@ def test_list_conversations_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_conversations(request)
@@ -7582,9 +7590,9 @@ def test_stream_answer_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.stream_answer_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.stream_answer_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.stream_answer_query(request)
@@ -9729,8 +9737,9 @@ def test_converse_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9796,20 +9805,22 @@ def test_converse_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "pre_converse_conversation",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_converse_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9869,8 +9880,9 @@ def test_create_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10063,19 +10075,22 @@ def test_create_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_create_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10132,8 +10147,9 @@ def test_delete_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10192,13 +10208,14 @@ def test_delete_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_delete_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteConversationRequest.pb(
             conversational_search_service.DeleteConversationRequest()
@@ -10247,8 +10264,9 @@ def test_update_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10445,19 +10463,22 @@ def test_update_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_update_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10514,8 +10535,9 @@ def test_get_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10584,18 +10606,22 @@ def test_get_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_conversation"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_get_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10648,8 +10674,9 @@ def test_list_conversations_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10714,18 +10741,22 @@ def test_list_conversations_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_conversations"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_conversations_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_conversations"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_list_conversations",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10785,8 +10816,9 @@ def test_answer_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10853,18 +10885,20 @@ def test_answer_query_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_answer_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_answer_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10924,8 +10958,9 @@ def test_stream_answer_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10996,19 +11031,22 @@ def test_stream_answer_query_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_stream_answer_query",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_stream_answer_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_stream_answer_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_stream_answer_query",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_stream_answer_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_stream_answer_query",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11068,8 +11106,9 @@ def test_get_answer_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11148,18 +11187,20 @@ def test_get_answer_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_answer_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_answer_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11212,8 +11253,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11536,18 +11578,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11602,8 +11646,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11662,13 +11707,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -11717,8 +11762,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -12045,18 +12091,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -12111,8 +12159,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -12187,18 +12236,20 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -12251,8 +12302,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -12317,18 +12369,20 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_sessions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_sessions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -12388,8 +12442,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12450,8 +12505,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12510,8 +12566,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12927,11 +12984,14 @@ def test_conversational_search_service_base_transport():
 
 def test_conversational_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport(
@@ -12948,9 +13008,12 @@ def test_conversational_search_service_base_transport_with_credentials_file():
 
 def test_conversational_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport()
@@ -13027,11 +13090,12 @@ def test_conversational_search_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_data_store_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_data_store_service.py
index a7ee4ba4bf49..eb845463ff88 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_data_store_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_data_store_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,34 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.data_store_service import (
+    DataStoreServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.data_store_service import (
+    DataStoreServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1.services.data_store_service import transports
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import data_store
+from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1.types import data_store_service
+from google.cloud.discoveryengine_v1.types import document_processing_config
+from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -66,21 +79,8 @@
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.data_store_service import (
-    DataStoreServiceAsyncClient,
-    DataStoreServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1.types import cmek_config_service, common
-from google.cloud.discoveryengine_v1.types import data_store
-from google.cloud.discoveryengine_v1.types import data_store as gcd_data_store
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -871,10 +871,9 @@ def test_data_store_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1134,13 +1133,13 @@ def test_data_store_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1252,9 +1251,9 @@ def test_create_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.create_data_store(request)
 
@@ -1974,9 +1973,9 @@ def test_list_data_stores_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
         request = {}
         client.list_data_stores(request)
 
@@ -2495,9 +2494,9 @@ def test_delete_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.delete_data_store(request)
 
@@ -2854,9 +2853,9 @@ def test_update_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.update_data_store(request)
 
@@ -3152,9 +3151,9 @@ def test_create_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_data_store(request)
@@ -3554,9 +3553,9 @@ def test_list_data_stores_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_data_stores(request)
@@ -3813,9 +3812,9 @@ def test_delete_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_data_store(request)
@@ -3993,9 +3992,9 @@ def test_update_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_data_store(request)
@@ -4558,8 +4557,9 @@ def test_create_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4772,20 +4772,21 @@ def test_create_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_create_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_create_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_create_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_create_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4838,8 +4839,9 @@ def test_get_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4918,17 +4920,20 @@ def test_get_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_get_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_get_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4981,8 +4986,9 @@ def test_list_data_stores_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5045,18 +5051,20 @@ def test_list_data_stores_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_list_data_stores_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_list_data_stores_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5114,8 +5122,9 @@ def test_delete_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5172,20 +5181,21 @@ def test_delete_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_delete_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_delete_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5240,8 +5250,9 @@ def test_update_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5478,18 +5489,20 @@ def test_update_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_update_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_update_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_update_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_update_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5544,8 +5557,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5606,8 +5620,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5666,8 +5681,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5910,11 +5926,14 @@ def test_data_store_service_base_transport():
 
 def test_data_store_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport(
@@ -5931,9 +5950,12 @@ def test_data_store_service_base_transport_with_credentials_file():
 
 def test_data_store_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport()
@@ -6005,11 +6027,12 @@ def test_data_store_service_transport_auth_gdch_credentials(transport_class):
 def test_data_store_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_document_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_document_service.py
index 1a0ffb28fa1d..501fda26bd18 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_document_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_document_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.document_service import (
+    DocumentServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.document_service import (
+    DocumentServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.document_service import pagers
+from google.cloud.discoveryengine_v1.services.document_service import transports
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import document
+from google.cloud.discoveryengine_v1.types import document as gcd_document
+from google.cloud.discoveryengine_v1.types import document_service
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -68,21 +80,8 @@
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.document_service import (
-    DocumentServiceAsyncClient,
-    DocumentServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1.types import common
-from google.cloud.discoveryengine_v1.types import document
-from google.cloud.discoveryengine_v1.types import document as gcd_document
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -872,10 +871,9 @@ def test_document_service_client_get_mtls_endpoint_and_cert_source(client_class)
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1130,13 +1128,13 @@ def test_document_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3200,9 +3198,9 @@ def test_import_documents_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
         request = {}
         client.import_documents(request)
 
@@ -5021,9 +5019,9 @@ def test_import_documents_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_documents(request)
@@ -5984,8 +5982,9 @@ def test_get_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6057,17 +6056,19 @@ def test_get_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_get_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_get_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6122,8 +6123,9 @@ def test_list_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6188,17 +6190,20 @@ def test_list_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_list_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_list_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_list_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_list_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6258,8 +6263,9 @@ def test_create_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6443,17 +6449,20 @@ def test_create_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_create_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_create_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_create_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_create_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6510,8 +6519,9 @@ def test_update_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6697,17 +6707,20 @@ def test_update_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_update_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_update_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_update_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_update_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6762,8 +6775,9 @@ def test_delete_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6822,13 +6836,13 @@ def test_delete_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_delete_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_delete_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = document_service.DeleteDocumentRequest.pb(
             document_service.DeleteDocumentRequest()
@@ -6875,8 +6889,9 @@ def test_import_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6935,19 +6950,21 @@ def test_import_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_import_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_import_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_import_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_import_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7002,8 +7019,9 @@ def test_purge_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7062,19 +7080,21 @@ def test_purge_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_purge_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_purge_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_purge_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_purge_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7129,8 +7149,9 @@ def test_batch_get_documents_metadata_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7194,18 +7215,22 @@ def test_batch_get_documents_metadata_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_batch_get_documents_metadata"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor,
-        "post_batch_get_documents_metadata_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_batch_get_documents_metadata"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata",
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "pre_batch_get_documents_metadata",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7265,8 +7290,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7327,8 +7353,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7387,8 +7414,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7690,11 +7718,14 @@ def test_document_service_base_transport():
 
 def test_document_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport(
@@ -7711,9 +7742,12 @@ def test_document_service_base_transport_with_credentials_file():
 
 def test_document_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport()
@@ -7785,11 +7819,12 @@ def test_document_service_transport_auth_gdch_credentials(transport_class):
 def test_document_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_engine_service.py
index e372bb58cbd6..ee94a0905cd7 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.engine_service import (
     EngineServiceAsyncClient,
-    EngineServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1.services.engine_service import EngineServiceClient
+from google.cloud.discoveryengine_v1.services.engine_service import pagers
+from google.cloud.discoveryengine_v1.services.engine_service import transports
 from google.cloud.discoveryengine_v1.types import common
 from google.cloud.discoveryengine_v1.types import engine
 from google.cloud.discoveryengine_v1.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1.types import engine_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -837,10 +836,9 @@ def test_engine_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1095,13 +1093,13 @@ def test_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4491,8 +4489,9 @@ def test_create_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4654,19 +4653,20 @@ def test_create_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_create_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_create_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4721,8 +4721,9 @@ def test_delete_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4781,19 +4782,20 @@ def test_delete_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_delete_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_delete_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4850,8 +4852,9 @@ def test_update_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5033,17 +5036,19 @@ def test_update_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_update_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_update_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5096,8 +5101,9 @@ def test_get_engine_rest_bad_request(request_type=engine_service.GetEngineReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5172,17 +5178,19 @@ def test_get_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_get_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_get_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5233,8 +5241,9 @@ def test_list_engines_rest_bad_request(request_type=engine_service.ListEnginesRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5297,17 +5306,19 @@ def test_list_engines_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_list_engines"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_list_engines"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5364,8 +5375,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5426,8 +5438,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5486,8 +5499,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5724,11 +5738,14 @@ def test_engine_service_base_transport():
 
 def test_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport(
@@ -5745,9 +5762,12 @@ def test_engine_service_base_transport_with_credentials_file():
 
 def test_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport()
@@ -5819,11 +5839,12 @@ def test_engine_service_transport_auth_gdch_credentials(transport_class):
 def test_engine_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_grounded_generation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_grounded_generation_service.py
index 398008ddaff5..decb967911b6 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_grounded_generation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,23 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1.services.grounded_generation_service import (
     GroundedGenerationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.grounded_generation_service import (
     GroundedGenerationServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.grounded_generation_service import (
     transports,
 )
-from google.cloud.discoveryengine_v1.types import grounded_generation_service, grounding
+from google.cloud.discoveryengine_v1.types import grounded_generation_service
+from google.cloud.discoveryengine_v1.types import grounding
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -885,10 +894,9 @@ def test_grounded_generation_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1159,13 +1167,13 @@ def test_grounded_generation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -2370,8 +2378,9 @@ def test_generate_grounded_content_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2435,20 +2444,22 @@ def test_generate_grounded_content_rest_interceptors(null_interceptor):
     )
     client = GroundedGenerationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_generate_grounded_content",
-    ) as post, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_generate_grounded_content_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "pre_generate_grounded_content",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_generate_grounded_content",
+        ) as post,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_generate_grounded_content_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "pre_generate_grounded_content",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2512,8 +2523,9 @@ def test_check_grounding_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2580,18 +2592,20 @@ def test_check_grounding_rest_interceptors(null_interceptor):
     )
     client = GroundedGenerationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
-    ) as post, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_check_grounding_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
+        ) as post,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_check_grounding_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2651,8 +2665,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2713,8 +2728,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2773,8 +2789,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2929,11 +2946,14 @@ def test_grounded_generation_service_base_transport():
 
 def test_grounded_generation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport(
@@ -2950,9 +2970,12 @@ def test_grounded_generation_service_base_transport_with_credentials_file():
 
 def test_grounded_generation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport()
@@ -3026,11 +3049,12 @@ def test_grounded_generation_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_identity_mapping_store_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_identity_mapping_store_service.py
index 4af73fc19628..66251a424dfb 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_identity_mapping_store_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_identity_mapping_store_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,43 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     IdentityMappingStoreServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     IdentityMappingStoreServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     pagers,
+)
+from google.cloud.discoveryengine_v1.services.identity_mapping_store_service import (
     transports,
 )
+from google.cloud.discoveryengine_v1.types import cmek_config_service
+from google.cloud.discoveryengine_v1.types import identity_mapping_store
 from google.cloud.discoveryengine_v1.types import (
     identity_mapping_store as gcd_identity_mapping_store,
 )
 from google.cloud.discoveryengine_v1.types import identity_mapping_store_service
-from google.cloud.discoveryengine_v1.types import cmek_config_service
-from google.cloud.discoveryengine_v1.types import identity_mapping_store
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -905,10 +910,9 @@ def test_identity_mapping_store_service_client_get_mtls_endpoint_and_cert_source
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1179,13 +1183,13 @@ def test_identity_mapping_store_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -2902,9 +2906,9 @@ def test_list_identity_mappings_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_identity_mappings
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_identity_mappings] = (
+            mock_rpc
+        )
         request = {}
         client.list_identity_mappings(request)
 
@@ -4726,9 +4730,9 @@ def test_list_identity_mappings_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_identity_mappings
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_identity_mappings] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_identity_mappings(request)
@@ -5690,8 +5694,9 @@ def test_create_identity_mapping_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5843,20 +5848,22 @@ def test_create_identity_mapping_store_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_create_identity_mapping_store",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_create_identity_mapping_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_create_identity_mapping_store",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_create_identity_mapping_store",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_create_identity_mapping_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_create_identity_mapping_store",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5918,8 +5925,9 @@ def test_get_identity_mapping_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5986,20 +5994,22 @@ def test_get_identity_mapping_store_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_get_identity_mapping_store",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_get_identity_mapping_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_get_identity_mapping_store",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_get_identity_mapping_store",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_get_identity_mapping_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_get_identity_mapping_store",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6059,8 +6069,9 @@ def test_delete_identity_mapping_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6119,22 +6130,23 @@ def test_delete_identity_mapping_store_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_delete_identity_mapping_store",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_delete_identity_mapping_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_delete_identity_mapping_store",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_delete_identity_mapping_store",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_delete_identity_mapping_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_delete_identity_mapping_store",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6191,8 +6203,9 @@ def test_import_identity_mappings_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6251,22 +6264,23 @@ def test_import_identity_mappings_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_import_identity_mappings",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_import_identity_mappings_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_import_identity_mappings",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_import_identity_mappings",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_import_identity_mappings_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_import_identity_mappings",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6321,8 +6335,9 @@ def test_purge_identity_mappings_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6381,22 +6396,23 @@ def test_purge_identity_mappings_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_purge_identity_mappings",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_purge_identity_mappings_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_purge_identity_mappings",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_purge_identity_mappings",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_purge_identity_mappings_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_purge_identity_mappings",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6451,8 +6467,9 @@ def test_list_identity_mappings_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6519,20 +6536,22 @@ def test_list_identity_mappings_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_list_identity_mappings",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_list_identity_mappings_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_list_identity_mappings",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_list_identity_mappings",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_list_identity_mappings_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_list_identity_mappings",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6594,8 +6613,9 @@ def test_list_identity_mapping_stores_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6662,20 +6682,22 @@ def test_list_identity_mapping_stores_rest_interceptors(null_interceptor):
     )
     client = IdentityMappingStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_list_identity_mapping_stores",
-    ) as post, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "post_list_identity_mapping_stores_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.IdentityMappingStoreServiceRestInterceptor,
-        "pre_list_identity_mapping_stores",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_list_identity_mapping_stores",
+        ) as post,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "post_list_identity_mapping_stores_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.IdentityMappingStoreServiceRestInterceptor,
+            "pre_list_identity_mapping_stores",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6739,8 +6761,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6801,8 +6824,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6861,8 +6885,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7155,11 +7180,14 @@ def test_identity_mapping_store_service_base_transport():
 
 def test_identity_mapping_store_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.identity_mapping_store_service.transports.IdentityMappingStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.identity_mapping_store_service.transports.IdentityMappingStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.IdentityMappingStoreServiceTransport(
@@ -7176,9 +7204,12 @@ def test_identity_mapping_store_service_base_transport_with_credentials_file():
 
 def test_identity_mapping_store_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.identity_mapping_store_service.transports.IdentityMappingStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.identity_mapping_store_service.transports.IdentityMappingStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.IdentityMappingStoreServiceTransport()
@@ -7257,11 +7288,12 @@ def test_identity_mapping_store_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_project_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_project_service.py
index e4b41b6772d7..e253dc5db228 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_project_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_project_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,32 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1.services.project_service import (
     ProjectServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.project_service import (
     ProjectServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1.types import project, project_service
+from google.cloud.discoveryengine_v1.services.project_service import transports
+from google.cloud.discoveryengine_v1.types import project
+from google.cloud.discoveryengine_v1.types import project_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -834,10 +836,9 @@ def test_project_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1092,13 +1093,13 @@ def test_project_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1208,9 +1209,9 @@ def test_provision_project_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
         request = {}
         client.provision_project(request)
 
@@ -1487,9 +1488,9 @@ def test_provision_project_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
 
         request = {}
         client.provision_project(request)
@@ -1849,8 +1850,9 @@ def test_provision_project_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1907,19 +1909,21 @@ def test_provision_project_rest_interceptors(null_interceptor):
     )
     client = ProjectServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project"
-    ) as post, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "pre_provision_project"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_provision_project"
+        ) as post,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor,
+            "post_provision_project_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "pre_provision_project"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1974,8 +1978,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2036,8 +2041,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2096,8 +2102,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2252,11 +2259,14 @@ def test_project_service_base_transport():
 
 def test_project_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport(
@@ -2273,9 +2283,12 @@ def test_project_service_base_transport_with_credentials_file():
 
 def test_project_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport()
@@ -2347,11 +2360,12 @@ def test_project_service_transport_auth_gdch_credentials(transport_class):
 def test_project_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_rank_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_rank_service.py
index 723f9c1ca9fe..d26e49de7014 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_rank_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_rank_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,23 +44,24 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.rank_service import RankServiceAsyncClient
+from google.cloud.discoveryengine_v1.services.rank_service import RankServiceClient
+from google.cloud.discoveryengine_v1.services.rank_service import transports
+from google.cloud.discoveryengine_v1.types import rank_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.rank_service import (
-    RankServiceAsyncClient,
-    RankServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import rank_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -802,10 +804,9 @@ def test_rank_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1046,13 +1047,13 @@ def test_rank_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1196,9 +1197,9 @@ async def test_rank_async_use_cached_wrapped_rpc(transport: str = "grpc_asyncio"
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.rank
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.rank] = (
+            mock_rpc
+        )
 
         request = {}
         await client.rank(request)
@@ -1621,8 +1622,9 @@ def test_rank_rest_bad_request(request_type=rank_service.RankRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1684,17 +1686,15 @@ def test_rank_rest_interceptors(null_interceptor):
     )
     client = RankServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank"
-    ) as post, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RankServiceRestInterceptor, "pre_rank"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(transports.RankServiceRestInterceptor, "post_rank") as post,
+        mock.patch.object(
+            transports.RankServiceRestInterceptor, "post_rank_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.RankServiceRestInterceptor, "pre_rank") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1747,8 +1747,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1809,8 +1810,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1869,8 +1871,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2001,11 +2004,14 @@ def test_rank_service_base_transport():
 
 def test_rank_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport(
@@ -2022,9 +2028,12 @@ def test_rank_service_base_transport_with_credentials_file():
 
 def test_rank_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport()
@@ -2096,11 +2105,12 @@ def test_rank_service_transport_auth_gdch_credentials(transport_class):
 def test_rank_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_recommendation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_recommendation_service.py
index a8f3279c99f8..0aa52c95c56c 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_recommendation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,30 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.recommendation_service import (
+    RecommendationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.recommendation_service import (
+    RecommendationServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.recommendation_service import transports
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import recommendation_service
+from google.cloud.discoveryengine_v1.types import user_event
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    common,
-    recommendation_service,
-    user_event,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -881,10 +885,9 @@ def test_recommendation_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1152,13 +1155,13 @@ def test_recommendation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1749,8 +1752,9 @@ def test_recommend_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1819,17 +1823,20 @@ def test_recommend_rest_interceptors(null_interceptor):
     )
     client = RecommendationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend"
-    ) as post, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "pre_recommend"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "post_recommend"
+        ) as post,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor,
+            "post_recommend_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "pre_recommend"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1889,8 +1896,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1951,8 +1959,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2011,8 +2020,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2143,11 +2153,14 @@ def test_recommendation_service_base_transport():
 
 def test_recommendation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport(
@@ -2164,9 +2177,12 @@ def test_recommendation_service_base_transport_with_credentials_file():
 
 def test_recommendation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport()
@@ -2238,11 +2254,12 @@ def test_recommendation_service_transport_auth_gdch_credentials(transport_class)
 def test_recommendation_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_schema_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_schema_service.py
index d0950d7e8cf4..94c2614fc015 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_schema_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_schema_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,37 +44,35 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.schema_service import (
     SchemaServiceAsyncClient,
-    SchemaServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1.services.schema_service import SchemaServiceClient
+from google.cloud.discoveryengine_v1.services.schema_service import pagers
+from google.cloud.discoveryengine_v1.services.schema_service import transports
 from google.cloud.discoveryengine_v1.types import schema
 from google.cloud.discoveryengine_v1.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1.types import schema_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -835,10 +834,9 @@ def test_schema_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1093,13 +1091,13 @@ def test_schema_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4255,8 +4253,9 @@ def test_get_schema_rest_bad_request(request_type=schema_service.GetSchemaReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4322,17 +4321,19 @@ def test_get_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_get_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_get_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4383,8 +4384,9 @@ def test_list_schemas_rest_bad_request(request_type=schema_service.ListSchemasRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4447,17 +4449,19 @@ def test_list_schemas_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_list_schemas"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_list_schemas"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4512,8 +4516,9 @@ def test_create_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4642,19 +4647,20 @@ def test_create_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_create_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_create_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4711,8 +4717,9 @@ def test_update_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4845,19 +4852,20 @@ def test_update_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_update_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_update_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4912,8 +4920,9 @@ def test_delete_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4972,19 +4981,20 @@ def test_delete_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_delete_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_delete_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5039,8 +5049,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5101,8 +5112,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5161,8 +5173,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5399,11 +5412,14 @@ def test_schema_service_base_transport():
 
 def test_schema_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport(
@@ -5420,9 +5436,12 @@ def test_schema_service_base_transport_with_credentials_file():
 
 def test_schema_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport()
@@ -5494,11 +5513,12 @@ def test_schema_service_transport_auth_gdch_credentials(transport_class):
 def test_schema_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_service.py
index 316bd916d62e..37c79ed5cfa1 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,25 +44,29 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.search_service import (
+    SearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.search_service import SearchServiceClient
+from google.cloud.discoveryengine_v1.services.search_service import pagers
+from google.cloud.discoveryengine_v1.services.search_service import transports
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import struct_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.search_service import (
-    SearchServiceAsyncClient,
-    SearchServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import common, search_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -823,10 +828,9 @@ def test_search_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1081,13 +1085,13 @@ def test_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1259,9 +1263,9 @@ async def test_search_async_use_cached_wrapped_rpc(transport: str = "grpc_asynci
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.search
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.search] = (
+            mock_rpc
+        )
 
         request = {}
         await client.search(request)
@@ -1574,7 +1578,9 @@ async def test_search_async_pages():
         pages = []
         # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
         # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in (await client.search(request={})).pages:  # pragma: no branch
+        async for page_ in (  # pragma: no branch
+            await client.search(request={})
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -2665,8 +2671,9 @@ def test_search_rest_bad_request(request_type=search_service.SearchRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2739,17 +2746,17 @@ def test_search_rest_interceptors(null_interceptor):
     )
     client = SearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search"
-    ) as post, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "pre_search"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search"
+        ) as post,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.SearchServiceRestInterceptor, "pre_search") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2802,8 +2809,9 @@ def test_search_lite_rest_bad_request(request_type=search_service.SearchRequest)
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2876,17 +2884,19 @@ def test_search_lite_rest_interceptors(null_interceptor):
     )
     client = SearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_lite"
-    ) as post, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_lite_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "pre_search_lite"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_lite"
+        ) as post,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_lite_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "pre_search_lite"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2941,8 +2951,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3003,8 +3014,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3063,8 +3075,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3216,11 +3229,14 @@ def test_search_service_base_transport():
 
 def test_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport(
@@ -3237,9 +3253,12 @@ def test_search_service_base_transport_with_credentials_file():
 
 def test_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport()
@@ -3311,11 +3330,12 @@ def test_search_service_transport_auth_gdch_credentials(transport_class):
 def test_search_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_tuning_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_tuning_service.py
index 666020fcf542..95637b23b87b 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_search_tuning_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,36 +44,34 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1.services.search_tuning_service import (
     SearchTuningServiceAsyncClient,
-    SearchTuningServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1.types import (
-    custom_tuning_model,
-    import_config,
-    search_tuning_service,
+from google.cloud.discoveryengine_v1.services.search_tuning_service import (
+    SearchTuningServiceClient,
 )
+from google.cloud.discoveryengine_v1.services.search_tuning_service import transports
+from google.cloud.discoveryengine_v1.types import custom_tuning_model
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import search_tuning_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -885,10 +884,9 @@ def test_search_tuning_service_client_get_mtls_endpoint_and_cert_source(client_c
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1156,13 +1154,13 @@ def test_search_tuning_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1276,9 +1274,9 @@ def test_train_custom_model_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
         request = {}
         client.train_custom_model(request)
 
@@ -1536,9 +1534,9 @@ def test_list_custom_models_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
         request = {}
         client.list_custom_models(request)
 
@@ -1721,9 +1719,9 @@ def test_train_custom_model_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
 
         request = {}
         client.train_custom_model(request)
@@ -1847,9 +1845,9 @@ def test_list_custom_models_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_custom_models(request)
@@ -2190,8 +2188,9 @@ def test_train_custom_model_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2250,20 +2249,21 @@ def test_train_custom_model_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_train_custom_model_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_train_custom_model_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2318,8 +2318,9 @@ def test_list_custom_models_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2381,18 +2382,20 @@ def test_list_custom_models_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_list_custom_models_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_list_custom_models_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2452,8 +2455,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2514,8 +2518,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2574,8 +2579,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2753,11 +2759,14 @@ def test_search_tuning_service_base_transport():
 
 def test_search_tuning_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport(
@@ -2774,9 +2783,12 @@ def test_search_tuning_service_base_transport_with_credentials_file():
 
 def test_search_tuning_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport()
@@ -2848,11 +2860,12 @@ def test_search_tuning_service_transport_auth_gdch_credentials(transport_class):
 def test_search_tuning_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_serving_config_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_serving_config_service.py
index cfa1c5ffc710..3c650ccbca5a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_serving_config_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,27 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1.services.serving_config_service import (
     ServingConfigServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.serving_config_service import (
     ServingConfigServiceClient,
-    transports,
 )
+from google.cloud.discoveryengine_v1.services.serving_config_service import transports
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import search_service
 from google.cloud.discoveryengine_v1.types import serving_config as gcd_serving_config
-from google.cloud.discoveryengine_v1.types import common, search_service
 from google.cloud.discoveryengine_v1.types import serving_config_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -876,10 +883,9 @@ def test_serving_config_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1147,13 +1153,13 @@ def test_serving_config_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1291,9 +1297,9 @@ def test_update_serving_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
         request = {}
         client.update_serving_config(request)
 
@@ -1628,9 +1634,9 @@ def test_update_serving_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_serving_config(request)
@@ -2007,8 +2013,9 @@ def test_update_serving_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2252,18 +2259,20 @@ def test_update_serving_config_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_update_serving_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_update_serving_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2320,8 +2329,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2382,8 +2392,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2442,8 +2453,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2576,11 +2588,14 @@ def test_serving_config_service_base_transport():
 
 def test_serving_config_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport(
@@ -2597,9 +2612,12 @@ def test_serving_config_service_base_transport_with_credentials_file():
 
 def test_serving_config_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport()
@@ -2671,11 +2689,12 @@ def test_serving_config_service_transport_auth_gdch_credentials(transport_class)
 def test_serving_config_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_session_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_session_service.py
index 39fb62d81091..decf8b1f8d63 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_session_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_session_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,34 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.session_service import (
+    SessionServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.session_service import (
+    SessionServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.session_service import pagers
+from google.cloud.discoveryengine_v1.services.session_service import transports
+from google.cloud.discoveryengine_v1.types import answer
+from google.cloud.discoveryengine_v1.types import assist_answer
+from google.cloud.discoveryengine_v1.types import conversational_search_service
+from google.cloud.discoveryengine_v1.types import safety
+from google.cloud.discoveryengine_v1.types import session
+from google.cloud.discoveryengine_v1.types import session as gcd_session
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.session_service import (
-    SessionServiceAsyncClient,
-    SessionServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    answer,
-    assist_answer,
-    conversational_search_service,
-    safety,
-)
-from google.cloud.discoveryengine_v1.types import session
-from google.cloud.discoveryengine_v1.types import session as gcd_session
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -836,10 +840,9 @@ def test_session_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1094,13 +1097,13 @@ def test_session_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4382,8 +4385,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4706,17 +4710,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4771,8 +4778,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4831,13 +4839,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -4886,8 +4894,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5214,17 +5223,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5279,8 +5291,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5355,17 +5368,19 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5418,8 +5433,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5484,17 +5500,19 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5554,8 +5572,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5616,8 +5635,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5676,8 +5696,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5892,11 +5913,14 @@ def test_session_service_base_transport():
 
 def test_session_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport(
@@ -5913,9 +5937,12 @@ def test_session_service_base_transport_with_credentials_file():
 
 def test_session_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport()
@@ -5987,11 +6014,12 @@ def test_session_service_transport_auth_gdch_credentials(transport_class):
 def test_session_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_site_search_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_site_search_engine_service.py
index 2fbeb53a0dbb..b42e7d81e12a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_site_search_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,38 +44,38 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import (
+    SiteSearchEngineServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import (
+    SiteSearchEngineServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import pagers
+from google.cloud.discoveryengine_v1.services.site_search_engine_service import (
+    transports,
+)
+from google.cloud.discoveryengine_v1.types import site_search_engine
+from google.cloud.discoveryengine_v1.types import site_search_engine_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.site_search_engine_service import (
-    SiteSearchEngineServiceAsyncClient,
-    SiteSearchEngineServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -891,10 +892,9 @@ def test_site_search_engine_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1162,13 +1162,13 @@ def test_site_search_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1282,9 +1282,9 @@ def test_get_site_search_engine_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
         request = {}
         client.get_site_search_engine(request)
 
@@ -1621,9 +1621,9 @@ def test_create_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.create_target_site(request)
 
@@ -2586,9 +2586,9 @@ def test_update_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.update_target_site(request)
 
@@ -2932,9 +2932,9 @@ def test_delete_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.delete_target_site(request)
 
@@ -3283,9 +3283,9 @@ def test_list_target_sites_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
         request = {}
         client.list_target_sites(request)
 
@@ -6250,9 +6250,9 @@ def test_get_site_search_engine_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_site_search_engine(request)
@@ -6434,9 +6434,9 @@ def test_create_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_target_site(request)
@@ -6943,9 +6943,9 @@ def test_update_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_target_site(request)
@@ -7124,9 +7124,9 @@ def test_delete_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_target_site(request)
@@ -7305,9 +7305,9 @@ def test_list_target_sites_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_target_sites(request)
@@ -9721,8 +9721,9 @@ def test_get_site_search_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9787,18 +9788,22 @@ def test_get_site_search_engine_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_site_search_engine"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_site_search_engine_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_site_search_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_get_site_search_engine",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9858,8 +9863,9 @@ def test_create_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10002,20 +10008,21 @@ def test_create_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_create_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_create_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10070,8 +10077,9 @@ def test_batch_create_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10130,22 +10138,23 @@ def test_batch_create_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_create_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_create_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10200,8 +10209,9 @@ def test_get_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10280,18 +10290,20 @@ def test_get_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10350,8 +10362,9 @@ def test_update_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10496,20 +10509,21 @@ def test_update_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_update_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_update_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10564,8 +10578,9 @@ def test_delete_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10624,20 +10639,21 @@ def test_delete_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_delete_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_delete_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10692,8 +10708,9 @@ def test_list_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10762,18 +10779,20 @@ def test_list_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_list_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_list_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10833,8 +10852,9 @@ def test_create_sitemap_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10965,20 +10985,21 @@ def test_create_sitemap_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_create_sitemap"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_create_sitemap_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_create_sitemap"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_create_sitemap"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_create_sitemap_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_create_sitemap"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11033,8 +11054,9 @@ def test_delete_sitemap_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11093,20 +11115,21 @@ def test_delete_sitemap_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_delete_sitemap"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_delete_sitemap_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_sitemap"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_delete_sitemap"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_delete_sitemap_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_sitemap"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11161,8 +11184,9 @@ def test_fetch_sitemaps_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11224,18 +11248,20 @@ def test_fetch_sitemaps_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_fetch_sitemaps"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_sitemaps_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_fetch_sitemaps"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_fetch_sitemaps"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_sitemaps_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_fetch_sitemaps"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11295,8 +11321,9 @@ def test_enable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11355,22 +11382,23 @@ def test_enable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_enable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_enable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11425,8 +11453,9 @@ def test_disable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11485,22 +11514,23 @@ def test_disable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_disable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_disable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11555,8 +11585,9 @@ def test_recrawl_uris_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11615,20 +11646,21 @@ def test_recrawl_uris_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_recrawl_uris_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_recrawl_uris_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11683,8 +11715,9 @@ def test_batch_verify_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11743,22 +11776,23 @@ def test_batch_verify_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_verify_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_verify_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11813,8 +11847,9 @@ def test_fetch_domain_verification_status_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11885,20 +11920,22 @@ def test_fetch_domain_verification_status_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_fetch_domain_verification_status",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_fetch_domain_verification_status",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11962,8 +11999,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12024,8 +12062,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12084,8 +12123,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12552,11 +12592,14 @@ def test_site_search_engine_service_base_transport():
 
 def test_site_search_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport(
@@ -12573,9 +12616,12 @@ def test_site_search_engine_service_base_transport_with_credentials_file():
 
 def test_site_search_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport()
@@ -12649,11 +12695,12 @@ def test_site_search_engine_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_event_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_event_service.py
index d47306e7b54f..392ca91b2731 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_event_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_event_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -44,22 +45,31 @@
     HAS_GOOGLE_AUTH_AIO = False
 
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.user_event_service import (
+    UserEventServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.user_event_service import (
+    UserEventServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.user_event_service import transports
+from google.cloud.discoveryengine_v1.types import common
+from google.cloud.discoveryengine_v1.types import import_config
+from google.cloud.discoveryengine_v1.types import purge_config
+from google.cloud.discoveryengine_v1.types import user_event
+from google.cloud.discoveryengine_v1.types import user_event_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -67,19 +77,8 @@
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -870,10 +869,9 @@ def test_user_event_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1133,13 +1131,13 @@ def test_user_event_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1266,9 +1264,9 @@ def test_write_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.write_user_event(request)
 
@@ -1542,9 +1540,9 @@ def test_collect_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.collect_user_event(request)
 
@@ -1797,9 +1795,9 @@ def test_purge_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.purge_user_events(request)
 
@@ -2056,9 +2054,9 @@ def test_import_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.import_user_events(request)
 
@@ -2248,9 +2246,9 @@ def test_write_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.write_user_event(request)
@@ -2383,9 +2381,9 @@ def test_collect_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.collect_user_event(request)
@@ -2538,9 +2536,9 @@ def test_purge_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.purge_user_events(request)
@@ -2676,9 +2674,9 @@ def test_import_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_user_events(request)
@@ -3128,8 +3126,9 @@ def test_write_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3345,18 +3344,20 @@ def test_write_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_write_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_write_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_write_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_write_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_write_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_write_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3409,8 +3410,9 @@ def test_collect_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3472,18 +3474,20 @@ def test_collect_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_collect_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_collect_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_collect_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_collect_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3536,8 +3540,9 @@ def test_purge_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3594,20 +3599,21 @@ def test_purge_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_purge_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_purge_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_purge_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_purge_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3660,8 +3666,9 @@ def test_import_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3718,20 +3725,21 @@ def test_import_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_import_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_import_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_import_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_import_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_import_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_import_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3786,8 +3794,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3848,8 +3857,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3908,8 +3918,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4131,11 +4142,14 @@ def test_user_event_service_base_transport():
 
 def test_user_event_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport(
@@ -4152,9 +4166,12 @@ def test_user_event_service_base_transport_with_credentials_file():
 
 def test_user_event_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport()
@@ -4226,11 +4243,12 @@ def test_user_event_service_transport_auth_gdch_credentials(transport_class):
 def test_user_event_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_license_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_license_service.py
index ab69d29c77d6..472849ebd92c 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_license_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1/test_user_license_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,35 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1.services.user_license_service import (
+    UserLicenseServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1.services.user_license_service import (
+    UserLicenseServiceClient,
+)
+from google.cloud.discoveryengine_v1.services.user_license_service import pagers
+from google.cloud.discoveryengine_v1.services.user_license_service import transports
+from google.cloud.discoveryengine_v1.types import user_license
+from google.cloud.discoveryengine_v1.types import user_license_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1.services.user_license_service import (
-    UserLicenseServiceAsyncClient,
-    UserLicenseServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1.types import user_license, user_license_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -874,10 +876,9 @@ def test_user_license_service_client_get_mtls_endpoint_and_cert_source(client_cl
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1137,13 +1138,13 @@ def test_user_license_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1260,9 +1261,9 @@ def test_list_user_licenses_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_user_licenses
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_user_licenses] = (
+            mock_rpc
+        )
         request = {}
         client.list_user_licenses(request)
 
@@ -1997,9 +1998,9 @@ def test_list_user_licenses_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_user_licenses
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_user_licenses] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_user_licenses(request)
@@ -2609,8 +2610,9 @@ def test_list_user_licenses_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2673,18 +2675,20 @@ def test_list_user_licenses_rest_interceptors(null_interceptor):
     )
     client = UserLicenseServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor, "post_list_user_licenses"
-    ) as post, mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor,
-        "post_list_user_licenses_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor, "pre_list_user_licenses"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor, "post_list_user_licenses"
+        ) as post,
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor,
+            "post_list_user_licenses_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor, "pre_list_user_licenses"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2742,8 +2746,9 @@ def test_batch_update_user_licenses_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2800,20 +2805,23 @@ def test_batch_update_user_licenses_rest_interceptors(null_interceptor):
     )
     client = UserLicenseServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor, "post_batch_update_user_licenses"
-    ) as post, mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor,
-        "post_batch_update_user_licenses_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserLicenseServiceRestInterceptor, "pre_batch_update_user_licenses"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor,
+            "post_batch_update_user_licenses",
+        ) as post,
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor,
+            "post_batch_update_user_licenses_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserLicenseServiceRestInterceptor,
+            "pre_batch_update_user_licenses",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2868,8 +2876,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2930,8 +2939,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2990,8 +3000,9 @@ def test_list_operations_rest_bad_request(
     request = json_format.ParseDict({"name": "projects/sample1"}, request)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3169,11 +3180,14 @@ def test_user_license_service_base_transport():
 
 def test_user_license_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1.services.user_license_service.transports.UserLicenseServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.user_license_service.transports.UserLicenseServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserLicenseServiceTransport(
@@ -3190,9 +3204,12 @@ def test_user_license_service_base_transport_with_credentials_file():
 
 def test_user_license_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1.services.user_license_service.transports.UserLicenseServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1.services.user_license_service.transports.UserLicenseServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserLicenseServiceTransport()
@@ -3264,11 +3281,12 @@ def test_user_license_service_transport_auth_gdch_credentials(transport_class):
 def test_user_license_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_acl_config_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_acl_config_service.py
index a1f833148fea..2dba8a1de92a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_acl_config_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_acl_config_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,27 +44,30 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1alpha.services.acl_config_service import (
     AclConfigServiceAsyncClient,
-    AclConfigServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    acl_config,
-    acl_config_service,
-    common,
+from google.cloud.discoveryengine_v1alpha.services.acl_config_service import (
+    AclConfigServiceClient,
 )
+from google.cloud.discoveryengine_v1alpha.services.acl_config_service import transports
+from google.cloud.discoveryengine_v1alpha.types import acl_config
+from google.cloud.discoveryengine_v1alpha.types import acl_config_service
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -854,10 +858,9 @@ def test_acl_config_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1117,13 +1120,13 @@ def test_acl_config_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1230,9 +1233,9 @@ def test_update_acl_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_acl_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_acl_config] = (
+            mock_rpc
+        )
         request = {}
         client.update_acl_config(request)
 
@@ -1739,9 +1742,9 @@ def test_update_acl_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_acl_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_acl_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_acl_config(request)
@@ -2254,8 +2257,9 @@ def test_update_acl_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2394,18 +2398,20 @@ def test_update_acl_config_rest_interceptors(null_interceptor):
     )
     client = AclConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor, "post_update_acl_config"
-    ) as post, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor,
-        "post_update_acl_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor, "pre_update_acl_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor, "post_update_acl_config"
+        ) as post,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor,
+            "post_update_acl_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor, "pre_update_acl_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2458,8 +2464,9 @@ def test_get_acl_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2522,17 +2529,20 @@ def test_get_acl_config_rest_interceptors(null_interceptor):
     )
     client = AclConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor, "post_get_acl_config"
-    ) as post, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor, "post_get_acl_config_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.AclConfigServiceRestInterceptor, "pre_get_acl_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor, "post_get_acl_config"
+        ) as post,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor,
+            "post_get_acl_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.AclConfigServiceRestInterceptor, "pre_get_acl_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2590,8 +2600,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2657,8 +2668,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2724,8 +2736,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2881,11 +2894,14 @@ def test_acl_config_service_base_transport():
 
 def test_acl_config_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.acl_config_service.transports.AclConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.acl_config_service.transports.AclConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.AclConfigServiceTransport(
@@ -2902,9 +2918,12 @@ def test_acl_config_service_base_transport_with_credentials_file():
 
 def test_acl_config_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.acl_config_service.transports.AclConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.acl_config_service.transports.AclConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.AclConfigServiceTransport()
@@ -2976,11 +2995,12 @@ def test_acl_config_service_transport_auth_gdch_credentials(transport_class):
 def test_acl_config_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_chunk_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_chunk_service.py
index 5a65e370abe9..ceec3a166f4d 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_chunk_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_chunk_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,25 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import (
+    ChunkServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import (
+    ChunkServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.chunk_service import transports
+from google.cloud.discoveryengine_v1alpha.types import chunk
+from google.cloud.discoveryengine_v1alpha.types import chunk_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import struct_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.chunk_service import (
-    ChunkServiceAsyncClient,
-    ChunkServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import chunk, chunk_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -808,10 +815,9 @@ def test_chunk_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1062,13 +1068,13 @@ def test_chunk_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -2609,8 +2615,9 @@ def test_get_chunk_rest_bad_request(request_type=chunk_service.GetChunkRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2681,17 +2688,19 @@ def test_get_chunk_rest_interceptors(null_interceptor):
     )
     client = ChunkServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "post_get_chunk"
-    ) as post, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "post_get_chunk_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "pre_get_chunk"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "post_get_chunk"
+        ) as post,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "post_get_chunk_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "pre_get_chunk"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2742,8 +2751,9 @@ def test_list_chunks_rest_bad_request(request_type=chunk_service.ListChunksReque
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2808,17 +2818,19 @@ def test_list_chunks_rest_interceptors(null_interceptor):
     )
     client = ChunkServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "post_list_chunks"
-    ) as post, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "post_list_chunks_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ChunkServiceRestInterceptor, "pre_list_chunks"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "post_list_chunks"
+        ) as post,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "post_list_chunks_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ChunkServiceRestInterceptor, "pre_list_chunks"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2878,8 +2890,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2945,8 +2958,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3012,8 +3026,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3167,11 +3182,14 @@ def test_chunk_service_base_transport():
 
 def test_chunk_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.chunk_service.transports.ChunkServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.chunk_service.transports.ChunkServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ChunkServiceTransport(
@@ -3188,9 +3206,12 @@ def test_chunk_service_base_transport_with_credentials_file():
 
 def test_chunk_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.chunk_service.transports.ChunkServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.chunk_service.transports.ChunkServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ChunkServiceTransport()
@@ -3262,11 +3283,12 @@ def test_chunk_service_transport_auth_gdch_credentials(transport_class):
 def test_chunk_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_completion_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_completion_service.py
index 6a56bbfe7bf4..859d14065e16 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_completion_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_completion_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,38 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.completion_service import (
+    CompletionServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.completion_service import (
+    CompletionServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.completion_service import transports
+from google.cloud.discoveryengine_v1alpha.types import completion
+from google.cloud.discoveryengine_v1alpha.types import completion_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    completion,
-    completion_service,
-    import_config,
-    purge_config,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -873,10 +872,9 @@ def test_completion_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1136,13 +1134,13 @@ def test_completion_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3515,8 +3513,9 @@ def test_complete_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3581,17 +3580,20 @@ def test_complete_query_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_complete_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "post_complete_query"
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_complete_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "pre_complete_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3651,8 +3653,9 @@ def test_import_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3711,22 +3714,23 @@ def test_import_suggestion_deny_list_entries_rest_interceptors(null_interceptor)
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_import_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3781,8 +3785,9 @@ def test_purge_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3841,22 +3846,23 @@ def test_purge_suggestion_deny_list_entries_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_purge_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3911,8 +3917,9 @@ def test_import_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3971,21 +3978,23 @@ def test_import_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_import_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4040,8 +4049,9 @@ def test_purge_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4100,20 +4110,23 @@ def test_purge_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_purge_completion_suggestions"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_purge_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4171,8 +4184,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4238,8 +4252,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4305,8 +4320,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4553,11 +4569,14 @@ def test_completion_service_base_transport():
 
 def test_completion_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport(
@@ -4574,9 +4593,12 @@ def test_completion_service_base_transport_with_credentials_file():
 
 def test_completion_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport()
@@ -4648,11 +4670,12 @@ def test_completion_service_transport_auth_gdch_credentials(transport_class):
 def test_completion_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_control_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_control_service.py
index dc5848e8c4ca..0650b8c0d7ef 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_control_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_control_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,29 +44,34 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.control_service import (
     ControlServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.control_service import (
     ControlServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.control_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.control_service import transports
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import control
 from google.cloud.discoveryengine_v1alpha.types import control as gcd_control
 from google.cloud.discoveryengine_v1alpha.types import control_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -831,10 +837,9 @@ def test_control_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1089,13 +1094,13 @@ def test_control_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4420,8 +4425,9 @@ def test_create_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4587,17 +4593,20 @@ def test_create_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_create_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_create_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_create_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_create_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4652,8 +4661,9 @@ def test_delete_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4712,13 +4722,13 @@ def test_delete_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_delete_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_delete_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = control_service.DeleteControlRequest.pb(
             control_service.DeleteControlRequest()
@@ -4767,8 +4777,9 @@ def test_update_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4938,17 +4949,20 @@ def test_update_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_update_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_update_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_update_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_update_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5001,8 +5015,9 @@ def test_get_control_rest_bad_request(request_type=control_service.GetControlReq
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5077,17 +5092,19 @@ def test_get_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_get_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_get_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5140,8 +5157,9 @@ def test_list_controls_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5204,17 +5222,19 @@ def test_list_controls_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_list_controls"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_list_controls"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5277,8 +5297,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5344,8 +5365,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5411,8 +5433,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5629,11 +5652,14 @@ def test_control_service_base_transport():
 
 def test_control_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport(
@@ -5650,9 +5676,12 @@ def test_control_service_base_transport_with_credentials_file():
 
 def test_control_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport()
@@ -5724,11 +5753,12 @@ def test_control_service_transport_auth_gdch_credentials(transport_class):
 def test_control_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_conversational_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_conversational_search_service.py
index 1e2fc7a3bf9d..cdcf66204074 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_conversational_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,35 +44,43 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
     ConversationalSearchServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
     pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    conversational_search_service,
-    search_service,
+from google.cloud.discoveryengine_v1alpha.services.conversational_search_service import (
+    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
-from google.cloud.discoveryengine_v1alpha.types import answer, common
+from google.cloud.discoveryengine_v1alpha.types import answer
+from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import conversation
+from google.cloud.discoveryengine_v1alpha.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
+from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -901,10 +910,9 @@ def test_conversational_search_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1175,13 +1183,13 @@ def test_conversational_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1301,9 +1309,9 @@ def test_converse_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.converse_conversation(request)
 
@@ -1659,9 +1667,9 @@ def test_create_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.create_conversation(request)
 
@@ -2012,9 +2020,9 @@ def test_delete_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.delete_conversation(request)
 
@@ -2345,9 +2353,9 @@ def test_update_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.update_conversation(request)
 
@@ -2699,9 +2707,9 @@ def test_get_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.get_conversation(request)
 
@@ -3041,9 +3049,9 @@ def test_list_conversations_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
         request = {}
         client.list_conversations(request)
 
@@ -5966,9 +5974,9 @@ def test_converse_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.converse_conversation(request)
@@ -6167,9 +6175,9 @@ def test_create_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_conversation(request)
@@ -6362,9 +6370,9 @@ def test_delete_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_conversation(request)
@@ -6541,9 +6549,9 @@ def test_update_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_conversation(request)
@@ -6725,9 +6733,9 @@ def test_get_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_conversation(request)
@@ -6909,9 +6917,9 @@ def test_list_conversations_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_conversations(request)
@@ -9269,8 +9277,9 @@ def test_converse_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9339,20 +9348,22 @@ def test_converse_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "pre_converse_conversation",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_converse_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9412,8 +9423,9 @@ def test_create_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9615,19 +9627,22 @@ def test_create_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_create_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9684,8 +9699,9 @@ def test_delete_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9744,13 +9760,14 @@ def test_delete_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_delete_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteConversationRequest.pb(
             conversational_search_service.DeleteConversationRequest()
@@ -9799,8 +9816,9 @@ def test_update_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10006,19 +10024,22 @@ def test_update_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_update_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10075,8 +10096,9 @@ def test_get_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10145,18 +10167,22 @@ def test_get_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_conversation"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_get_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10209,8 +10235,9 @@ def test_list_conversations_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10275,18 +10302,22 @@ def test_list_conversations_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_conversations"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_conversations_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_conversations"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_list_conversations",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10346,8 +10377,9 @@ def test_answer_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10414,18 +10446,20 @@ def test_answer_query_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_answer_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_answer_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10485,8 +10519,9 @@ def test_get_answer_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10563,18 +10598,20 @@ def test_get_answer_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_answer_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_answer_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10627,8 +10664,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10874,18 +10912,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10940,8 +10980,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11000,13 +11041,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -11055,8 +11096,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11306,18 +11348,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11372,8 +11416,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11446,18 +11491,20 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11510,8 +11557,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11576,18 +11624,20 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_sessions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_sessions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11650,8 +11700,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11717,8 +11768,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11784,8 +11836,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12180,11 +12233,14 @@ def test_conversational_search_service_base_transport():
 
 def test_conversational_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport(
@@ -12201,9 +12257,12 @@ def test_conversational_search_service_base_transport_with_credentials_file():
 
 def test_conversational_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport()
@@ -12280,11 +12339,12 @@ def test_conversational_search_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_data_store_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_data_store_service.py
index 9d5f1294fef1..5b6b2bec04be 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_data_store_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_data_store_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,45 +44,45 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.data_store_service import (
     DataStoreServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.data_store_service import (
     DataStoreServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.data_store_service import transports
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import data_store
 from google.cloud.discoveryengine_v1alpha.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import document_processing_config
 from google.cloud.discoveryengine_v1alpha.types import (
     document_processing_config as gcd_document_processing_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import data_store
-from google.cloud.discoveryengine_v1alpha.types import data_store_service
 from google.cloud.discoveryengine_v1alpha.types import schema
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -872,10 +873,9 @@ def test_data_store_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1135,13 +1135,13 @@ def test_data_store_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1251,9 +1251,9 @@ def test_create_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.create_data_store(request)
 
@@ -1965,9 +1965,9 @@ def test_list_data_stores_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
         request = {}
         client.list_data_stores(request)
 
@@ -2486,9 +2486,9 @@ def test_delete_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.delete_data_store(request)
 
@@ -2841,9 +2841,9 @@ def test_update_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.update_data_store(request)
 
@@ -3839,9 +3839,9 @@ def test_create_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_data_store(request)
@@ -4239,9 +4239,9 @@ def test_list_data_stores_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_data_stores(request)
@@ -4499,9 +4499,9 @@ def test_delete_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_data_store(request)
@@ -4680,9 +4680,9 @@ def test_update_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_data_store(request)
@@ -5737,8 +5737,9 @@ def test_create_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5930,20 +5931,21 @@ def test_create_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_create_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_create_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_create_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_create_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5996,8 +5998,9 @@ def test_get_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6072,17 +6075,20 @@ def test_get_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_get_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_get_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6135,8 +6141,9 @@ def test_list_data_stores_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6199,18 +6206,20 @@ def test_list_data_stores_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_list_data_stores_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_list_data_stores_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6268,8 +6277,9 @@ def test_delete_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6326,20 +6336,21 @@ def test_delete_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_delete_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_delete_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6394,8 +6405,9 @@ def test_update_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6607,18 +6619,20 @@ def test_update_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_update_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_update_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_update_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_update_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6673,8 +6687,9 @@ def test_get_document_processing_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6741,19 +6756,22 @@ def test_get_document_processing_config_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_get_document_processing_config",
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_get_document_processing_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_get_document_processing_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_get_document_processing_config",
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_get_document_processing_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "pre_get_document_processing_config",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6815,8 +6833,9 @@ def test_update_document_processing_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6979,20 +6998,22 @@ def test_update_document_processing_config_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_update_document_processing_config",
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_update_document_processing_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "pre_update_document_processing_config",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_update_document_processing_config",
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_update_document_processing_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "pre_update_document_processing_config",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7055,8 +7076,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7122,8 +7144,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7189,8 +7212,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7481,11 +7505,14 @@ def test_data_store_service_base_transport():
 
 def test_data_store_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport(
@@ -7502,9 +7529,12 @@ def test_data_store_service_base_transport_with_credentials_file():
 
 def test_data_store_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport()
@@ -7576,11 +7606,12 @@ def test_data_store_service_transport_auth_gdch_credentials(transport_class):
 def test_data_store_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_document_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_document_service.py
index 4cbfbfee7b95..be0dc288fa2c 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_document_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_document_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.document_service import (
+    DocumentServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.document_service import (
+    DocumentServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.document_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.document_service import transports
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import document
+from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
+from google.cloud.discoveryengine_v1alpha.types import document_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -68,21 +80,8 @@
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.document_service import (
-    DocumentServiceAsyncClient,
-    DocumentServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import document
-from google.cloud.discoveryengine_v1alpha.types import document as gcd_document
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -872,10 +871,9 @@ def test_document_service_client_get_mtls_endpoint_and_cert_source(client_class)
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1130,13 +1128,13 @@ def test_document_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3200,9 +3198,9 @@ def test_import_documents_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
         request = {}
         client.import_documents(request)
 
@@ -3705,9 +3703,9 @@ def test_get_processed_document_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_processed_document
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_processed_document] = (
+            mock_rpc
+        )
         request = {}
         client.get_processed_document(request)
 
@@ -5365,9 +5363,9 @@ def test_import_documents_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_documents(request)
@@ -5626,9 +5624,9 @@ def test_get_processed_document_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_processed_document
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_processed_document] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_processed_document(request)
@@ -6585,8 +6583,9 @@ def test_get_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6658,17 +6657,19 @@ def test_get_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_get_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_get_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6723,8 +6724,9 @@ def test_list_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6789,17 +6791,20 @@ def test_list_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_list_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_list_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_list_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_list_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6859,8 +6864,9 @@ def test_create_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7039,17 +7045,20 @@ def test_create_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_create_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_create_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_create_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_create_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7106,8 +7115,9 @@ def test_update_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7288,17 +7298,20 @@ def test_update_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_update_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_update_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_update_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_update_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7353,8 +7366,9 @@ def test_delete_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7413,13 +7427,13 @@ def test_delete_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_delete_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_delete_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = document_service.DeleteDocumentRequest.pb(
             document_service.DeleteDocumentRequest()
@@ -7466,8 +7480,9 @@ def test_import_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7526,19 +7541,21 @@ def test_import_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_import_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_import_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_import_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_import_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7593,8 +7610,9 @@ def test_purge_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7653,19 +7671,21 @@ def test_purge_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_purge_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_purge_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_purge_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_purge_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7720,8 +7740,9 @@ def test_get_processed_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7787,18 +7808,20 @@ def test_get_processed_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_processed_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor,
-        "post_get_processed_document_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_get_processed_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_processed_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_get_processed_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_get_processed_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7853,8 +7876,9 @@ def test_batch_get_documents_metadata_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7918,18 +7942,22 @@ def test_batch_get_documents_metadata_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_batch_get_documents_metadata"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor,
-        "post_batch_get_documents_metadata_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_batch_get_documents_metadata"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata",
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "pre_batch_get_documents_metadata",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7992,8 +8020,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -8059,8 +8088,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -8126,8 +8156,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -8454,11 +8485,14 @@ def test_document_service_base_transport():
 
 def test_document_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport(
@@ -8475,9 +8509,12 @@ def test_document_service_base_transport_with_credentials_file():
 
 def test_document_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport()
@@ -8549,11 +8586,12 @@ def test_document_service_transport_auth_gdch_credentials(transport_class):
 def test_document_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_engine_service.py
index 1cc557827990..f8e86b3bd19e 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.engine_service import (
     EngineServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.engine_service import (
     EngineServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.engine_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.engine_service import transports
 from google.cloud.discoveryengine_v1alpha.types import common
 from google.cloud.discoveryengine_v1alpha.types import engine
 from google.cloud.discoveryengine_v1alpha.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1alpha.types import engine_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -837,10 +838,9 @@ def test_engine_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1095,13 +1095,13 @@ def test_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -6074,8 +6074,9 @@ def test_create_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6236,19 +6237,20 @@ def test_create_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_create_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_create_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6303,8 +6305,9 @@ def test_delete_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6363,19 +6366,20 @@ def test_delete_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_delete_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_delete_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6432,8 +6436,9 @@ def test_update_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6612,17 +6617,19 @@ def test_update_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_update_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_update_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6675,8 +6682,9 @@ def test_get_engine_rest_bad_request(request_type=engine_service.GetEngineReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6749,17 +6757,19 @@ def test_get_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_get_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_get_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6810,8 +6820,9 @@ def test_list_engines_rest_bad_request(request_type=engine_service.ListEnginesRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6874,17 +6885,19 @@ def test_list_engines_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_list_engines"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_list_engines"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6939,8 +6952,9 @@ def test_pause_engine_rest_bad_request(request_type=engine_service.PauseEngineRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7013,17 +7027,19 @@ def test_pause_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_pause_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_pause_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_pause_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_pause_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_pause_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_pause_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7078,8 +7094,9 @@ def test_resume_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7152,17 +7169,19 @@ def test_resume_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_resume_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_resume_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_resume_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_resume_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_resume_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_resume_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7215,8 +7234,9 @@ def test_tune_engine_rest_bad_request(request_type=engine_service.TuneEngineRequ
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7275,19 +7295,20 @@ def test_tune_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_tune_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_tune_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_tune_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_tune_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_tune_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_tune_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7345,8 +7366,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7412,8 +7434,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7479,8 +7502,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7782,11 +7806,14 @@ def test_engine_service_base_transport():
 
 def test_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport(
@@ -7803,9 +7830,12 @@ def test_engine_service_base_transport_with_credentials_file():
 
 def test_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport()
@@ -7877,11 +7907,12 @@ def test_engine_service_transport_auth_gdch_credentials(transport_class):
 def test_engine_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_estimate_billing_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_estimate_billing_service.py
index fd8195094527..6cae8bd7ee10 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_estimate_billing_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_estimate_billing_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,36 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.type import date_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.estimate_billing_service import (
     EstimateBillingServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.estimate_billing_service import (
     EstimateBillingServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    estimate_billing_service,
-    import_config,
+from google.cloud.discoveryengine_v1alpha.services.estimate_billing_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1alpha.types import estimate_billing_service
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.type import date_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -889,10 +890,9 @@ def test_estimate_billing_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1160,13 +1160,13 @@ def test_estimate_billing_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1276,9 +1276,9 @@ def test_estimate_data_size_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.estimate_data_size
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.estimate_data_size] = (
+            mock_rpc
+        )
         request = {}
         client.estimate_data_size(request)
 
@@ -1471,9 +1471,9 @@ def test_estimate_data_size_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.estimate_data_size
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.estimate_data_size] = (
+            mock_rpc
+        )
 
         request = {}
         client.estimate_data_size(request)
@@ -1762,8 +1762,9 @@ def test_estimate_data_size_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1820,20 +1821,21 @@ def test_estimate_data_size_rest_interceptors(null_interceptor):
     )
     client = EstimateBillingServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EstimateBillingServiceRestInterceptor, "post_estimate_data_size"
-    ) as post, mock.patch.object(
-        transports.EstimateBillingServiceRestInterceptor,
-        "post_estimate_data_size_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EstimateBillingServiceRestInterceptor, "pre_estimate_data_size"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EstimateBillingServiceRestInterceptor, "post_estimate_data_size"
+        ) as post,
+        mock.patch.object(
+            transports.EstimateBillingServiceRestInterceptor,
+            "post_estimate_data_size_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EstimateBillingServiceRestInterceptor, "pre_estimate_data_size"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1891,8 +1893,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1958,8 +1961,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2025,8 +2029,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2183,11 +2188,14 @@ def test_estimate_billing_service_base_transport():
 
 def test_estimate_billing_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.estimate_billing_service.transports.EstimateBillingServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.estimate_billing_service.transports.EstimateBillingServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EstimateBillingServiceTransport(
@@ -2204,9 +2212,12 @@ def test_estimate_billing_service_base_transport_with_credentials_file():
 
 def test_estimate_billing_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.estimate_billing_service.transports.EstimateBillingServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.estimate_billing_service.transports.EstimateBillingServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EstimateBillingServiceTransport()
@@ -2280,11 +2291,12 @@ def test_estimate_billing_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_evaluation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_evaluation_service.py
index 20286bcae0d4..53ec06f5df99 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_evaluation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_evaluation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,32 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import (
+    EvaluationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import (
+    EvaluationServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.evaluation_service import transports
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1alpha.types import evaluation_service
+from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -66,20 +77,8 @@
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.evaluation_service import (
-    EvaluationServiceAsyncClient,
-    EvaluationServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    evaluation_service,
-    search_service,
-)
-from google.cloud.discoveryengine_v1alpha.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1alpha.types import common
-from google.cloud.discoveryengine_v1alpha.types import evaluation
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -878,10 +877,9 @@ def test_evaluation_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1141,13 +1139,13 @@ def test_evaluation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1584,9 +1582,9 @@ def test_list_evaluations_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_evaluations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_evaluations] = (
+            mock_rpc
+        )
         request = {}
         client.list_evaluations(request)
 
@@ -2105,9 +2103,9 @@ def test_create_evaluation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_evaluation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_evaluation] = (
+            mock_rpc
+        )
         request = {}
         client.create_evaluation(request)
 
@@ -3131,9 +3129,9 @@ def test_list_evaluations_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_evaluations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_evaluations] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_evaluations(request)
@@ -3389,9 +3387,9 @@ def test_create_evaluation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_evaluation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_evaluation] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_evaluation(request)
@@ -4168,8 +4166,9 @@ def test_get_evaluation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4234,17 +4233,20 @@ def test_get_evaluation_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_get_evaluation"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_get_evaluation_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_get_evaluation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_get_evaluation"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_get_evaluation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_get_evaluation"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4297,8 +4299,9 @@ def test_list_evaluations_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4361,18 +4364,20 @@ def test_list_evaluations_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_list_evaluations"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_list_evaluations_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_list_evaluations"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_list_evaluations"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_list_evaluations_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_list_evaluations"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4430,8 +4435,9 @@ def test_create_evaluation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4715,20 +4721,21 @@ def test_create_evaluation_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_create_evaluation"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_create_evaluation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_create_evaluation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_create_evaluation"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_create_evaluation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_create_evaluation"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4783,8 +4790,9 @@ def test_list_evaluation_results_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4849,18 +4857,20 @@ def test_list_evaluation_results_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_list_evaluation_results"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_list_evaluation_results_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_list_evaluation_results"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_list_evaluation_results"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_list_evaluation_results_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_list_evaluation_results"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4923,8 +4933,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4990,8 +5001,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5057,8 +5069,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5280,11 +5293,14 @@ def test_evaluation_service_base_transport():
 
 def test_evaluation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EvaluationServiceTransport(
@@ -5301,9 +5317,12 @@ def test_evaluation_service_base_transport_with_credentials_file():
 
 def test_evaluation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EvaluationServiceTransport()
@@ -5375,11 +5394,12 @@ def test_evaluation_service_transport_auth_gdch_credentials(transport_class):
 def test_evaluation_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_grounded_generation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_grounded_generation_service.py
index c2fa7313a38a..e3331ad435fd 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_grounded_generation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,26 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1alpha.services.grounded_generation_service import (
     GroundedGenerationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.grounded_generation_service import (
     GroundedGenerationServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    grounded_generation_service,
-    grounding,
+from google.cloud.discoveryengine_v1alpha.services.grounded_generation_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1alpha.types import grounded_generation_service
+from google.cloud.discoveryengine_v1alpha.types import grounding
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -888,10 +894,9 @@ def test_grounded_generation_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1162,13 +1167,13 @@ def test_grounded_generation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1745,8 +1750,9 @@ def test_check_grounding_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1813,18 +1819,20 @@ def test_check_grounding_rest_interceptors(null_interceptor):
     )
     client = GroundedGenerationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
-    ) as post, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_check_grounding_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
+        ) as post,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_check_grounding_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1887,8 +1895,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1954,8 +1963,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2021,8 +2031,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2155,11 +2166,14 @@ def test_grounded_generation_service_base_transport():
 
 def test_grounded_generation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport(
@@ -2176,9 +2190,12 @@ def test_grounded_generation_service_base_transport_with_credentials_file():
 
 def test_grounded_generation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport()
@@ -2252,11 +2269,12 @@ def test_grounded_generation_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_project_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_project_service.py
index 15c3003e549c..faa681d0f9b0 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_project_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_project_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,35 +44,35 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.project_service import (
     ProjectServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.project_service import (
     ProjectServiceClient,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.project_service import transports
 from google.cloud.discoveryengine_v1alpha.types import project
 from google.cloud.discoveryengine_v1alpha.types import project as gcd_project
 from google.cloud.discoveryengine_v1alpha.types import project_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -837,10 +838,9 @@ def test_project_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1095,13 +1095,13 @@ def test_project_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1530,9 +1530,9 @@ def test_provision_project_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
         request = {}
         client.provision_project(request)
 
@@ -1884,9 +1884,9 @@ def test_report_consent_change_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.report_consent_change
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.report_consent_change] = (
+            mock_rpc
+        )
         request = {}
         client.report_consent_change(request)
 
@@ -2358,9 +2358,9 @@ def test_provision_project_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
 
         request = {}
         client.provision_project(request)
@@ -2556,9 +2556,9 @@ def test_report_consent_change_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.report_consent_change
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.report_consent_change] = (
+            mock_rpc
+        )
 
         request = {}
         client.report_consent_change(request)
@@ -3026,8 +3026,9 @@ def test_get_project_rest_bad_request(request_type=project_service.GetProjectReq
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3090,17 +3091,19 @@ def test_get_project_rest_interceptors(null_interceptor):
     )
     client = ProjectServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_get_project"
-    ) as post, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_get_project_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "pre_get_project"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_get_project"
+        ) as post,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_get_project_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "pre_get_project"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3153,8 +3156,9 @@ def test_provision_project_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3211,19 +3215,21 @@ def test_provision_project_rest_interceptors(null_interceptor):
     )
     client = ProjectServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project"
-    ) as post, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "pre_provision_project"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_provision_project"
+        ) as post,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor,
+            "post_provision_project_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "pre_provision_project"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3276,8 +3282,9 @@ def test_report_consent_change_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3340,18 +3347,20 @@ def test_report_consent_change_rest_interceptors(null_interceptor):
     )
     client = ProjectServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_report_consent_change"
-    ) as post, mock.patch.object(
-        transports.ProjectServiceRestInterceptor,
-        "post_report_consent_change_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "pre_report_consent_change"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_report_consent_change"
+        ) as post,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor,
+            "post_report_consent_change_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "pre_report_consent_change"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3409,8 +3418,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3476,8 +3486,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3543,8 +3554,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3745,11 +3757,14 @@ def test_project_service_base_transport():
 
 def test_project_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport(
@@ -3766,9 +3781,12 @@ def test_project_service_base_transport_with_credentials_file():
 
 def test_project_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport()
@@ -3840,11 +3858,12 @@ def test_project_service_transport_auth_gdch_credentials(transport_class):
 def test_project_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_rank_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_rank_service.py
index b941c86f6c3f..de796cc44978 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_rank_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_rank_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,23 +44,26 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1alpha.services.rank_service import (
     RankServiceAsyncClient,
-    RankServiceClient,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.rank_service import RankServiceClient
+from google.cloud.discoveryengine_v1alpha.services.rank_service import transports
 from google.cloud.discoveryengine_v1alpha.types import rank_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -802,10 +806,9 @@ def test_rank_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1046,13 +1049,13 @@ def test_rank_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1196,9 +1199,9 @@ async def test_rank_async_use_cached_wrapped_rpc(transport: str = "grpc_asyncio"
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.rank
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.rank] = (
+            mock_rpc
+        )
 
         request = {}
         await client.rank(request)
@@ -1621,8 +1624,9 @@ def test_rank_rest_bad_request(request_type=rank_service.RankRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1684,17 +1688,15 @@ def test_rank_rest_interceptors(null_interceptor):
     )
     client = RankServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank"
-    ) as post, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RankServiceRestInterceptor, "pre_rank"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(transports.RankServiceRestInterceptor, "post_rank") as post,
+        mock.patch.object(
+            transports.RankServiceRestInterceptor, "post_rank_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.RankServiceRestInterceptor, "pre_rank") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1750,8 +1752,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1817,8 +1820,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1884,8 +1888,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2018,11 +2023,14 @@ def test_rank_service_base_transport():
 
 def test_rank_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport(
@@ -2039,9 +2047,12 @@ def test_rank_service_base_transport_with_credentials_file():
 
 def test_rank_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport()
@@ -2113,11 +2124,12 @@ def test_rank_service_transport_auth_gdch_credentials(transport_class):
 def test_rank_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_recommendation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_recommendation_service.py
index 6589fe52c1cb..b6bdb1fa75a6 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_recommendation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,30 +44,35 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.recommendation_service import (
+    RecommendationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.recommendation_service import (
+    RecommendationServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.recommendation_service import (
+    transports,
+)
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import recommendation_service
+from google.cloud.discoveryengine_v1alpha.types import user_event
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    common,
-    recommendation_service,
-    user_event,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -881,10 +887,9 @@ def test_recommendation_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1152,13 +1157,13 @@ def test_recommendation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1749,8 +1754,9 @@ def test_recommend_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1819,17 +1825,20 @@ def test_recommend_rest_interceptors(null_interceptor):
     )
     client = RecommendationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend"
-    ) as post, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "pre_recommend"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "post_recommend"
+        ) as post,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor,
+            "post_recommend_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "pre_recommend"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1892,8 +1901,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1959,8 +1969,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2026,8 +2037,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2160,11 +2172,14 @@ def test_recommendation_service_base_transport():
 
 def test_recommendation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport(
@@ -2181,9 +2196,12 @@ def test_recommendation_service_base_transport_with_credentials_file():
 
 def test_recommendation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport()
@@ -2255,11 +2273,12 @@ def test_recommendation_service_transport_auth_gdch_credentials(transport_class)
 def test_recommendation_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_service.py
index 21c1066a96d6..d0250551153e 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,41 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.type import date_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_service import (
     SampleQueryServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.sample_query_service import (
     SampleQueryServiceClient,
-    pagers,
+)
+from google.cloud.discoveryengine_v1alpha.services.sample_query_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.sample_query_service import (
     transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import import_config
 from google.cloud.discoveryengine_v1alpha.types import sample_query
+from google.cloud.discoveryengine_v1alpha.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1alpha.types import sample_query_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.type import date_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -878,10 +881,9 @@ def test_sample_query_service_client_get_mtls_endpoint_and_cert_source(client_cl
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1141,13 +1143,13 @@ def test_sample_query_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1254,9 +1256,9 @@ def test_get_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.get_sample_query(request)
 
@@ -1588,9 +1590,9 @@ def test_list_sample_queries_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_queries] = (
+            mock_rpc
+        )
         request = {}
         client.list_sample_queries(request)
 
@@ -2134,9 +2136,9 @@ def test_create_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.create_sample_query(request)
 
@@ -2504,9 +2506,9 @@ def test_update_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.update_sample_query(request)
 
@@ -2865,9 +2867,9 @@ def test_delete_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.delete_sample_query(request)
 
@@ -3196,9 +3198,9 @@ def test_import_sample_queries_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_sample_queries] = (
+            mock_rpc
+        )
         request = {}
         client.import_sample_queries(request)
 
@@ -3389,9 +3391,9 @@ def test_get_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_sample_query(request)
@@ -3573,9 +3575,9 @@ def test_list_sample_queries_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_queries] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_sample_queries(request)
@@ -3839,9 +3841,9 @@ def test_create_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_sample_query(request)
@@ -4056,9 +4058,9 @@ def test_update_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_sample_query(request)
@@ -4246,9 +4248,9 @@ def test_delete_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_sample_query(request)
@@ -4426,9 +4428,9 @@ def test_import_sample_queries_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_sample_queries] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_sample_queries(request)
@@ -4971,8 +4973,9 @@ def test_get_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5037,18 +5040,20 @@ def test_get_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_get_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_get_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_get_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_get_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_get_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_get_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5103,8 +5108,9 @@ def test_list_sample_queries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5169,18 +5175,20 @@ def test_list_sample_queries_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_list_sample_queries"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_list_sample_queries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_list_sample_queries"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_list_sample_queries"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_list_sample_queries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_list_sample_queries"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5240,8 +5248,9 @@ def test_create_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5385,18 +5394,20 @@ def test_create_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_create_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_create_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_create_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_create_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_create_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_create_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5455,8 +5466,9 @@ def test_update_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5602,18 +5614,20 @@ def test_update_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_update_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_update_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_update_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_update_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_update_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_update_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5670,8 +5684,9 @@ def test_delete_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5730,13 +5745,13 @@ def test_delete_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_delete_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_delete_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = sample_query_service.DeleteSampleQueryRequest.pb(
             sample_query_service.DeleteSampleQueryRequest()
@@ -5783,8 +5798,9 @@ def test_import_sample_queries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5843,20 +5859,21 @@ def test_import_sample_queries_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_import_sample_queries"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_import_sample_queries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_import_sample_queries"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_import_sample_queries"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_import_sample_queries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_import_sample_queries"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5914,8 +5931,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5981,8 +5999,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6048,8 +6067,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6319,11 +6339,14 @@ def test_sample_query_service_base_transport():
 
 def test_sample_query_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQueryServiceTransport(
@@ -6340,9 +6363,12 @@ def test_sample_query_service_base_transport_with_credentials_file():
 
 def test_sample_query_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQueryServiceTransport()
@@ -6414,11 +6440,12 @@ def test_sample_query_service_transport_auth_gdch_credentials(transport_class):
 def test_sample_query_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_set_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_set_service.py
index c77feca53e40..b7e456faf999 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_set_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_sample_query_set_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,30 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     SampleQuerySetServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     SampleQuerySetServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     pagers,
+)
+from google.cloud.discoveryengine_v1alpha.services.sample_query_set_service import (
     transports,
 )
+from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1alpha.types import sample_query_set
 from google.cloud.discoveryengine_v1alpha.types import sample_query_set_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -883,10 +893,9 @@ def test_sample_query_set_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1154,13 +1163,13 @@ def test_sample_query_set_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1277,9 +1286,9 @@ def test_get_sample_query_set_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query_set
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query_set] = (
+            mock_rpc
+        )
         request = {}
         client.get_sample_query_set(request)
 
@@ -1626,9 +1635,9 @@ def test_list_sample_query_sets_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_query_sets
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_query_sets] = (
+            mock_rpc
+        )
         request = {}
         client.list_sample_query_sets(request)
 
@@ -3163,9 +3172,9 @@ def test_get_sample_query_set_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query_set
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query_set] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_sample_query_set(request)
@@ -3348,9 +3357,9 @@ def test_list_sample_query_sets_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_query_sets
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_query_sets] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_sample_query_sets(request)
@@ -4571,8 +4580,9 @@ def test_get_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4641,18 +4651,20 @@ def test_get_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_get_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_get_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_get_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor, "post_get_sample_query_set"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_get_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor, "pre_get_sample_query_set"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4707,8 +4719,9 @@ def test_list_sample_query_sets_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4773,18 +4786,22 @@ def test_list_sample_query_sets_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_list_sample_query_sets"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_list_sample_query_sets_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_list_sample_query_sets"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_list_sample_query_sets",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_list_sample_query_sets_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_list_sample_query_sets",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4842,8 +4859,9 @@ def test_create_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4985,18 +5003,22 @@ def test_create_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_create_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_create_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_create_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_create_sample_query_set",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_create_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_create_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5058,8 +5080,9 @@ def test_update_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5205,18 +5228,22 @@ def test_update_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_update_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_update_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_update_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_update_sample_query_set",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_update_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_update_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5276,8 +5303,9 @@ def test_delete_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5336,13 +5364,14 @@ def test_delete_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_delete_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_delete_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = sample_query_set_service.DeleteSampleQuerySetRequest.pb(
             sample_query_set_service.DeleteSampleQuerySetRequest()
@@ -5392,8 +5421,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5459,8 +5489,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5526,8 +5557,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5754,11 +5786,14 @@ def test_sample_query_set_service_base_transport():
 
 def test_sample_query_set_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQuerySetServiceTransport(
@@ -5775,9 +5810,12 @@ def test_sample_query_set_service_base_transport_with_credentials_file():
 
 def test_sample_query_set_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQuerySetServiceTransport()
@@ -5851,11 +5889,12 @@ def test_sample_query_set_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_schema_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_schema_service.py
index da5818bbb4b3..9e9022ca4e96 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_schema_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_schema_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,37 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.schema_service import (
     SchemaServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.schema_service import (
     SchemaServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1alpha.services.schema_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.schema_service import transports
 from google.cloud.discoveryengine_v1alpha.types import schema
 from google.cloud.discoveryengine_v1alpha.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1alpha.types import schema_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -835,10 +836,9 @@ def test_schema_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1093,13 +1093,13 @@ def test_schema_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4255,8 +4255,9 @@ def test_get_schema_rest_bad_request(request_type=schema_service.GetSchemaReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4322,17 +4323,19 @@ def test_get_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_get_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_get_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4383,8 +4386,9 @@ def test_list_schemas_rest_bad_request(request_type=schema_service.ListSchemasRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4447,17 +4451,19 @@ def test_list_schemas_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_list_schemas"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_list_schemas"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4512,8 +4518,9 @@ def test_create_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4660,19 +4667,20 @@ def test_create_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_create_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_create_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4729,8 +4737,9 @@ def test_update_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4881,19 +4890,20 @@ def test_update_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_update_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_update_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4948,8 +4958,9 @@ def test_delete_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5008,19 +5019,20 @@ def test_delete_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_delete_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_delete_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5078,8 +5090,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5145,8 +5158,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5212,8 +5226,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5452,11 +5467,14 @@ def test_schema_service_base_transport():
 
 def test_schema_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport(
@@ -5473,9 +5491,12 @@ def test_schema_service_base_transport_with_credentials_file():
 
 def test_schema_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport()
@@ -5547,11 +5568,12 @@ def test_schema_service_transport_auth_gdch_credentials(transport_class):
 def test_schema_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_service.py
index b4d71a0d4c57..0512a55e975a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,25 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.search_service import (
+    SearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.search_service import (
+    SearchServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.search_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.search_service import transports
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import search_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import struct_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.search_service import (
-    SearchServiceAsyncClient,
-    SearchServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import common, search_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -823,10 +830,9 @@ def test_search_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1081,13 +1087,13 @@ def test_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1263,9 +1269,9 @@ async def test_search_async_use_cached_wrapped_rpc(transport: str = "grpc_asynci
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.search
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.search] = (
+            mock_rpc
+        )
 
         request = {}
         await client.search(request)
@@ -1580,7 +1586,9 @@ async def test_search_async_pages():
         pages = []
         # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
         # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in (await client.search(request={})).pages:  # pragma: no branch
+        async for page_ in (  # pragma: no branch
+            await client.search(request={})
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -1961,8 +1969,9 @@ def test_search_rest_bad_request(request_type=search_service.SearchRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2037,17 +2046,17 @@ def test_search_rest_interceptors(null_interceptor):
     )
     client = SearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search"
-    ) as post, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "pre_search"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search"
+        ) as post,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.SearchServiceRestInterceptor, "pre_search") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2105,8 +2114,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2172,8 +2182,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2239,8 +2250,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2373,11 +2385,14 @@ def test_search_service_base_transport():
 
 def test_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport(
@@ -2394,9 +2409,12 @@ def test_search_service_base_transport_with_credentials_file():
 
 def test_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport()
@@ -2468,11 +2486,12 @@ def test_search_service_transport_auth_gdch_credentials(transport_class):
 def test_search_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_tuning_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_tuning_service.py
index f670e3d97490..c2352e6636f0 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_search_tuning_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,36 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1alpha.services.search_tuning_service import (
     SearchTuningServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.search_tuning_service import (
     SearchTuningServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    custom_tuning_model,
-    import_config,
-    search_tuning_service,
+from google.cloud.discoveryengine_v1alpha.services.search_tuning_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1alpha.types import custom_tuning_model
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import search_tuning_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -885,10 +886,9 @@ def test_search_tuning_service_client_get_mtls_endpoint_and_cert_source(client_c
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1156,13 +1156,13 @@ def test_search_tuning_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1276,9 +1276,9 @@ def test_train_custom_model_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
         request = {}
         client.train_custom_model(request)
 
@@ -1536,9 +1536,9 @@ def test_list_custom_models_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
         request = {}
         client.list_custom_models(request)
 
@@ -1721,9 +1721,9 @@ def test_train_custom_model_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
 
         request = {}
         client.train_custom_model(request)
@@ -1847,9 +1847,9 @@ def test_list_custom_models_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_custom_models(request)
@@ -2190,8 +2190,9 @@ def test_train_custom_model_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2250,20 +2251,21 @@ def test_train_custom_model_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_train_custom_model_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_train_custom_model_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2318,8 +2320,9 @@ def test_list_custom_models_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2381,18 +2384,20 @@ def test_list_custom_models_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_list_custom_models_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_list_custom_models_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2455,8 +2460,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2522,8 +2528,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2589,8 +2596,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2770,11 +2778,14 @@ def test_search_tuning_service_base_transport():
 
 def test_search_tuning_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport(
@@ -2791,9 +2802,12 @@ def test_search_tuning_service_base_transport_with_credentials_file():
 
 def test_search_tuning_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport()
@@ -2865,11 +2879,12 @@ def test_search_tuning_service_transport_auth_gdch_credentials(transport_class):
 def test_search_tuning_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_serving_config_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_serving_config_service.py
index 5be49262c260..bcc4f20f8f66 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_serving_config_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,31 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.serving_config_service import (
     ServingConfigServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.serving_config_service import (
     ServingConfigServiceClient,
-    pagers,
+)
+from google.cloud.discoveryengine_v1alpha.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.serving_config_service import (
     transports,
 )
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import search_service
+from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1alpha.types import common, search_service
-from google.cloud.discoveryengine_v1alpha.types import serving_config
 from google.cloud.discoveryengine_v1alpha.types import serving_config_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -880,10 +889,9 @@ def test_serving_config_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1151,13 +1159,13 @@ def test_serving_config_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1293,9 +1301,9 @@ def test_update_serving_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
         request = {}
         client.update_serving_config(request)
 
@@ -1721,9 +1729,9 @@ def test_get_serving_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_serving_config] = (
+            mock_rpc
+        )
         request = {}
         client.get_serving_config(request)
 
@@ -2091,9 +2099,9 @@ def test_list_serving_configs_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_serving_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_serving_configs] = (
+            mock_rpc
+        )
         request = {}
         client.list_serving_configs(request)
 
@@ -2568,9 +2576,9 @@ def test_update_serving_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_serving_config(request)
@@ -2762,9 +2770,9 @@ def test_get_serving_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_serving_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_serving_config(request)
@@ -2946,9 +2954,9 @@ def test_list_serving_configs_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_serving_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_serving_configs] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_serving_configs(request)
@@ -3516,8 +3524,9 @@ def test_update_serving_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3760,18 +3769,20 @@ def test_update_serving_config_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_update_serving_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_update_serving_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3828,8 +3839,9 @@ def test_get_serving_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3920,18 +3932,20 @@ def test_get_serving_config_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_get_serving_config"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_get_serving_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_get_serving_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_get_serving_config"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_get_serving_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_get_serving_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3986,8 +4000,9 @@ def test_list_serving_configs_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4052,18 +4067,20 @@ def test_list_serving_configs_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_list_serving_configs"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_list_serving_configs_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_list_serving_configs"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_list_serving_configs"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_list_serving_configs_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_list_serving_configs"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4126,8 +4143,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4193,8 +4211,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4260,8 +4279,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4442,11 +4462,14 @@ def test_serving_config_service_base_transport():
 
 def test_serving_config_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport(
@@ -4463,9 +4486,12 @@ def test_serving_config_service_base_transport_with_credentials_file():
 
 def test_serving_config_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport()
@@ -4537,11 +4563,12 @@ def test_serving_config_service_transport_auth_gdch_credentials(transport_class)
 def test_serving_config_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_session_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_session_service.py
index 8a3f4f04bae0..8745c4b2e2d1 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_session_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_session_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,33 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1alpha.services.session_service import (
     SessionServiceAsyncClient,
-    SessionServiceClient,
-    pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1alpha.types import (
-    answer,
-    conversational_search_service,
+from google.cloud.discoveryengine_v1alpha.services.session_service import (
+    SessionServiceClient,
 )
+from google.cloud.discoveryengine_v1alpha.services.session_service import pagers
+from google.cloud.discoveryengine_v1alpha.services.session_service import transports
+from google.cloud.discoveryengine_v1alpha.types import answer
+from google.cloud.discoveryengine_v1alpha.types import conversational_search_service
 from google.cloud.discoveryengine_v1alpha.types import session
 from google.cloud.discoveryengine_v1alpha.types import session as gcd_session
 from google.cloud.discoveryengine_v1alpha.types import session_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -835,10 +839,9 @@ def test_session_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1093,13 +1096,13 @@ def test_session_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -5191,8 +5194,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5438,17 +5442,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5503,8 +5510,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5563,13 +5571,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -5618,8 +5626,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5869,17 +5878,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5934,8 +5946,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6008,17 +6021,19 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6071,8 +6086,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6137,17 +6153,19 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6205,8 +6223,9 @@ def test_list_files_rest_bad_request(request_type=session_service.ListFilesReque
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6271,17 +6290,19 @@ def test_list_files_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_files"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_files_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_list_files"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_files"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_files_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_list_files"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6341,8 +6362,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6408,8 +6430,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6475,8 +6498,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6714,11 +6738,14 @@ def test_session_service_base_transport():
 
 def test_session_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport(
@@ -6735,9 +6762,12 @@ def test_session_service_base_transport_with_credentials_file():
 
 def test_session_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport()
@@ -6809,11 +6839,12 @@ def test_session_service_transport_auth_gdch_credentials(transport_class):
 def test_session_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_site_search_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_site_search_engine_service.py
index 4b5d9bededad..82395d4ca475 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_site_search_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,41 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    SiteSearchEngineServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    SiteSearchEngineServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    pagers,
+)
+from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
+    transports,
+)
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine
+from google.cloud.discoveryengine_v1alpha.types import site_search_engine_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import empty_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.site_search_engine_service import (
-    SiteSearchEngineServiceAsyncClient,
-    SiteSearchEngineServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    site_search_engine,
-    site_search_engine_service,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -892,10 +895,9 @@ def test_site_search_engine_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1163,13 +1165,13 @@ def test_site_search_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1283,9 +1285,9 @@ def test_get_site_search_engine_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
         request = {}
         client.get_site_search_engine(request)
 
@@ -1622,9 +1624,9 @@ def test_create_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.create_target_site(request)
 
@@ -2587,9 +2589,9 @@ def test_update_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.update_target_site(request)
 
@@ -2933,9 +2935,9 @@ def test_delete_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.delete_target_site(request)
 
@@ -3284,9 +3286,9 @@ def test_list_target_sites_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
         request = {}
         client.list_target_sites(request)
 
@@ -5785,9 +5787,9 @@ def test_get_site_search_engine_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_site_search_engine(request)
@@ -5969,9 +5971,9 @@ def test_create_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_target_site(request)
@@ -6478,9 +6480,9 @@ def test_update_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_target_site(request)
@@ -6659,9 +6661,9 @@ def test_delete_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_target_site(request)
@@ -6840,9 +6842,9 @@ def test_list_target_sites_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_target_sites(request)
@@ -8927,8 +8929,9 @@ def test_get_site_search_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -8993,18 +8996,22 @@ def test_get_site_search_engine_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_site_search_engine"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_site_search_engine_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_site_search_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_get_site_search_engine",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9064,8 +9071,9 @@ def test_create_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9208,20 +9216,21 @@ def test_create_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_create_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_create_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9276,8 +9285,9 @@ def test_batch_create_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9336,22 +9346,23 @@ def test_batch_create_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_create_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_create_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9406,8 +9417,9 @@ def test_get_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9486,18 +9498,20 @@ def test_get_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9556,8 +9570,9 @@ def test_update_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9702,20 +9717,21 @@ def test_update_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_update_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_update_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9770,8 +9786,9 @@ def test_delete_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9830,20 +9847,21 @@ def test_delete_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_delete_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_delete_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9898,8 +9916,9 @@ def test_list_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9968,18 +9987,20 @@ def test_list_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_list_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_list_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10039,8 +10060,9 @@ def test_enable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10099,22 +10121,23 @@ def test_enable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_enable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_enable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10169,8 +10192,9 @@ def test_disable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10229,22 +10253,23 @@ def test_disable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_disable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_disable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10299,8 +10324,9 @@ def test_recrawl_uris_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10359,20 +10385,21 @@ def test_recrawl_uris_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_recrawl_uris_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_recrawl_uris_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10427,8 +10454,9 @@ def test_batch_verify_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10487,22 +10515,23 @@ def test_batch_verify_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_verify_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_verify_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10557,8 +10586,9 @@ def test_fetch_domain_verification_status_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10629,20 +10659,22 @@ def test_fetch_domain_verification_status_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_fetch_domain_verification_status",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_fetch_domain_verification_status",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10706,8 +10738,9 @@ def test_set_uri_pattern_document_data_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10766,22 +10799,23 @@ def test_set_uri_pattern_document_data_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_set_uri_pattern_document_data",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_set_uri_pattern_document_data_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_set_uri_pattern_document_data",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_set_uri_pattern_document_data",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_set_uri_pattern_document_data_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_set_uri_pattern_document_data",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10836,8 +10870,9 @@ def test_get_uri_pattern_document_data_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10903,20 +10938,22 @@ def test_get_uri_pattern_document_data_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_uri_pattern_document_data",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_uri_pattern_document_data_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_get_uri_pattern_document_data",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_uri_pattern_document_data",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_uri_pattern_document_data_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_get_uri_pattern_document_data",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10983,8 +11020,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11050,8 +11088,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11117,8 +11156,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11570,11 +11610,14 @@ def test_site_search_engine_service_base_transport():
 
 def test_site_search_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport(
@@ -11591,9 +11634,12 @@ def test_site_search_engine_service_base_transport_with_credentials_file():
 
 def test_site_search_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport()
@@ -11667,11 +11713,12 @@ def test_site_search_engine_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_user_event_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_user_event_service.py
index 9a9c237fcb1e..de4e7539756a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_user_event_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1alpha/test_user_event_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -44,22 +45,31 @@
     HAS_GOOGLE_AUTH_AIO = False
 
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1alpha.services.user_event_service import (
+    UserEventServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.user_event_service import (
+    UserEventServiceClient,
+)
+from google.cloud.discoveryengine_v1alpha.services.user_event_service import transports
+from google.cloud.discoveryengine_v1alpha.types import common
+from google.cloud.discoveryengine_v1alpha.types import import_config
+from google.cloud.discoveryengine_v1alpha.types import purge_config
+from google.cloud.discoveryengine_v1alpha.types import user_event
+from google.cloud.discoveryengine_v1alpha.types import user_event_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -67,19 +77,8 @@
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1alpha.services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1alpha.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -870,10 +869,9 @@ def test_user_event_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1133,13 +1131,13 @@ def test_user_event_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1264,9 +1262,9 @@ def test_write_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.write_user_event(request)
 
@@ -1538,9 +1536,9 @@ def test_collect_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.collect_user_event(request)
 
@@ -1793,9 +1791,9 @@ def test_purge_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.purge_user_events(request)
 
@@ -2052,9 +2050,9 @@ def test_import_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.import_user_events(request)
 
@@ -2244,9 +2242,9 @@ def test_write_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.write_user_event(request)
@@ -2379,9 +2377,9 @@ def test_collect_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.collect_user_event(request)
@@ -2534,9 +2532,9 @@ def test_purge_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.purge_user_events(request)
@@ -2672,9 +2670,9 @@ def test_import_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_user_events(request)
@@ -3123,8 +3121,9 @@ def test_write_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3330,18 +3329,20 @@ def test_write_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_write_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_write_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_write_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_write_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_write_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_write_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3394,8 +3395,9 @@ def test_collect_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3457,18 +3459,20 @@ def test_collect_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_collect_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_collect_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_collect_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_collect_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3521,8 +3525,9 @@ def test_purge_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3579,20 +3584,21 @@ def test_purge_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_purge_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_purge_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_purge_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_purge_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3645,8 +3651,9 @@ def test_import_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3703,20 +3710,21 @@ def test_import_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_import_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_import_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_import_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_import_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_import_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_import_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3774,8 +3782,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3841,8 +3850,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3908,8 +3918,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4133,11 +4144,14 @@ def test_user_event_service_base_transport():
 
 def test_user_event_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport(
@@ -4154,9 +4168,12 @@ def test_user_event_service_base_transport_with_credentials_file():
 
 def test_user_event_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1alpha.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1alpha.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport()
@@ -4228,11 +4245,12 @@ def test_user_event_service_transport_auth_gdch_credentials(transport_class):
 def test_user_event_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_completion_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_completion_service.py
index 8304303267b2..677a3f6d940c 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_completion_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_completion_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.completion_service import (
+    CompletionServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.completion_service import (
+    CompletionServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.completion_service import transports
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import completion
+from google.cloud.discoveryengine_v1beta.types import completion_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.completion_service import (
-    CompletionServiceAsyncClient,
-    CompletionServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    common,
-    completion,
-    completion_service,
-    import_config,
-    purge_config,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -874,10 +873,9 @@ def test_completion_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1137,13 +1135,13 @@ def test_completion_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3971,8 +3969,9 @@ def test_complete_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4037,17 +4036,20 @@ def test_complete_query_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_complete_query_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_complete_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "post_complete_query"
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_complete_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "pre_complete_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4107,8 +4109,9 @@ def test_advanced_complete_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4173,18 +4176,20 @@ def test_advanced_complete_query_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_advanced_complete_query"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_advanced_complete_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_advanced_complete_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "post_advanced_complete_query"
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_advanced_complete_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor, "pre_advanced_complete_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4244,8 +4249,9 @@ def test_import_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4304,22 +4310,23 @@ def test_import_suggestion_deny_list_entries_rest_interceptors(null_interceptor)
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_import_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4374,8 +4381,9 @@ def test_purge_suggestion_deny_list_entries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4434,22 +4442,23 @@ def test_purge_suggestion_deny_list_entries_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_suggestion_deny_list_entries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "pre_purge_suggestion_deny_list_entries",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_suggestion_deny_list_entries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_suggestion_deny_list_entries",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4504,8 +4513,9 @@ def test_import_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4564,21 +4574,23 @@ def test_import_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions",
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_import_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_import_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_import_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_import_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4633,8 +4645,9 @@ def test_purge_completion_suggestions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4693,20 +4706,23 @@ def test_purge_completion_suggestions_rest_interceptors(null_interceptor):
     )
     client = CompletionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "post_purge_completion_suggestions"
-    ) as post, mock.patch.object(
-        transports.CompletionServiceRestInterceptor,
-        "post_purge_completion_suggestions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.CompletionServiceRestInterceptor, "pre_purge_completion_suggestions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions",
+        ) as post,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "post_purge_completion_suggestions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.CompletionServiceRestInterceptor,
+            "pre_purge_completion_suggestions",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4764,8 +4780,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4831,8 +4848,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4898,8 +4916,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5169,11 +5188,14 @@ def test_completion_service_base_transport():
 
 def test_completion_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport(
@@ -5190,9 +5212,12 @@ def test_completion_service_base_transport_with_credentials_file():
 
 def test_completion_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.completion_service.transports.CompletionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.CompletionServiceTransport()
@@ -5264,11 +5289,12 @@ def test_completion_service_transport_auth_gdch_credentials(transport_class):
 def test_completion_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_control_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_control_service.py
index 8048258d3e3a..edabb320e228 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_control_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_control_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,29 +44,34 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.control_service import (
     ControlServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.control_service import (
     ControlServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1beta.services.control_service import pagers
+from google.cloud.discoveryengine_v1beta.services.control_service import transports
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import control
 from google.cloud.discoveryengine_v1beta.types import control as gcd_control
 from google.cloud.discoveryengine_v1beta.types import control_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -831,10 +837,9 @@ def test_control_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1089,13 +1094,13 @@ def test_control_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4420,8 +4425,9 @@ def test_create_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4588,17 +4594,20 @@ def test_create_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_create_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_create_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_create_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_create_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_create_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4653,8 +4662,9 @@ def test_delete_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4713,13 +4723,13 @@ def test_delete_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_delete_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_delete_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = control_service.DeleteControlRequest.pb(
             control_service.DeleteControlRequest()
@@ -4768,8 +4778,9 @@ def test_update_control_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4940,17 +4951,20 @@ def test_update_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_update_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_update_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_update_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor,
+            "post_update_control_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_update_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5003,8 +5017,9 @@ def test_get_control_rest_bad_request(request_type=control_service.GetControlReq
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5079,17 +5094,19 @@ def test_get_control_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_get_control"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_get_control_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_get_control"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5142,8 +5159,9 @@ def test_list_controls_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5206,17 +5224,19 @@ def test_list_controls_rest_interceptors(null_interceptor):
     )
     client = ControlServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls"
-    ) as post, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ControlServiceRestInterceptor, "pre_list_controls"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls"
+        ) as post,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "post_list_controls_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ControlServiceRestInterceptor, "pre_list_controls"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5279,8 +5299,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5346,8 +5367,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5413,8 +5435,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5631,11 +5654,14 @@ def test_control_service_base_transport():
 
 def test_control_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport(
@@ -5652,9 +5678,12 @@ def test_control_service_base_transport_with_credentials_file():
 
 def test_control_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.control_service.transports.ControlServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ControlServiceTransport()
@@ -5726,11 +5755,12 @@ def test_control_service_transport_auth_gdch_credentials(transport_class):
 def test_control_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_conversational_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_conversational_search_service.py
index 61147daecc7c..cb901e2bba60 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_conversational_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_conversational_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,35 +44,42 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
     ConversationalSearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
     ConversationalSearchServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
     pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    conversational_search_service,
-    search_service,
+from google.cloud.discoveryengine_v1beta.services.conversational_search_service import (
+    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
 from google.cloud.discoveryengine_v1beta.types import answer
 from google.cloud.discoveryengine_v1beta.types import conversation
+from google.cloud.discoveryengine_v1beta.types import conversation as gcd_conversation
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.discoveryengine_v1beta.types import session
 from google.cloud.discoveryengine_v1beta.types import session as gcd_session
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -901,10 +909,9 @@ def test_conversational_search_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1175,13 +1182,13 @@ def test_conversational_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1301,9 +1308,9 @@ def test_converse_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.converse_conversation(request)
 
@@ -1659,9 +1666,9 @@ def test_create_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.create_conversation(request)
 
@@ -2012,9 +2019,9 @@ def test_delete_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.delete_conversation(request)
 
@@ -2345,9 +2352,9 @@ def test_update_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.update_conversation(request)
 
@@ -2699,9 +2706,9 @@ def test_get_conversation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
         request = {}
         client.get_conversation(request)
 
@@ -3041,9 +3048,9 @@ def test_list_conversations_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
         request = {}
         client.list_conversations(request)
 
@@ -5966,9 +5973,9 @@ def test_converse_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.converse_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.converse_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.converse_conversation(request)
@@ -6167,9 +6174,9 @@ def test_create_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_conversation(request)
@@ -6362,9 +6369,9 @@ def test_delete_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_conversation(request)
@@ -6541,9 +6548,9 @@ def test_update_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_conversation(request)
@@ -6725,9 +6732,9 @@ def test_get_conversation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_conversation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_conversation] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_conversation(request)
@@ -6909,9 +6916,9 @@ def test_list_conversations_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_conversations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_conversations] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_conversations(request)
@@ -9269,8 +9276,9 @@ def test_converse_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9339,20 +9347,22 @@ def test_converse_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_converse_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "pre_converse_conversation",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_converse_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_converse_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9412,8 +9422,9 @@ def test_create_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9615,19 +9626,22 @@ def test_create_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_create_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9684,8 +9698,9 @@ def test_delete_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9744,13 +9759,14 @@ def test_delete_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_delete_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteConversationRequest.pb(
             conversational_search_service.DeleteConversationRequest()
@@ -9799,8 +9815,9 @@ def test_update_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10006,19 +10023,22 @@ def test_update_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation",
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_update_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10075,8 +10095,9 @@ def test_get_conversation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10145,18 +10166,22 @@ def test_get_conversation_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_conversation"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_conversation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_conversation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_conversation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_get_conversation",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10209,8 +10234,9 @@ def test_list_conversations_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10275,18 +10301,22 @@ def test_list_conversations_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_conversations"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_conversations_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_conversations"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations",
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_conversations_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "pre_list_conversations",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10346,8 +10376,9 @@ def test_answer_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10414,18 +10445,20 @@ def test_answer_query_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_answer_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_answer_query"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_answer_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_answer_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10485,8 +10518,9 @@ def test_get_answer_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10563,18 +10597,20 @@ def test_get_answer_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_answer_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_answer"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_answer_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_answer"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10627,8 +10663,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10874,18 +10911,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_create_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10940,8 +10979,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11000,13 +11040,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -11055,8 +11095,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11306,18 +11347,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_update_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11372,8 +11415,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11446,18 +11490,20 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_get_session_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_get_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11510,8 +11556,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11576,18 +11623,20 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = ConversationalSearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor,
-        "post_list_sessions_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor,
+            "post_list_sessions_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ConversationalSearchServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11650,8 +11699,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11717,8 +11767,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -11784,8 +11835,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12180,11 +12232,14 @@ def test_conversational_search_service_base_transport():
 
 def test_conversational_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport(
@@ -12201,9 +12256,12 @@ def test_conversational_search_service_base_transport_with_credentials_file():
 
 def test_conversational_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.conversational_search_service.transports.ConversationalSearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ConversationalSearchServiceTransport()
@@ -12280,11 +12338,12 @@ def test_conversational_search_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_data_store_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_data_store_service.py
index 9410038c952b..648a14c2a229 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_data_store_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_data_store_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.data_store_service import (
+    DataStoreServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.data_store_service import (
+    DataStoreServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.data_store_service import pagers
+from google.cloud.discoveryengine_v1beta.services.data_store_service import transports
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import data_store
+from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
+from google.cloud.discoveryengine_v1beta.types import data_store_service
+from google.cloud.discoveryengine_v1beta.types import document_processing_config
+from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -66,21 +78,8 @@
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.data_store_service import (
-    DataStoreServiceAsyncClient,
-    DataStoreServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    data_store_service,
-    document_processing_config,
-    schema,
-)
-from google.cloud.discoveryengine_v1beta.types import data_store as gcd_data_store
-from google.cloud.discoveryengine_v1beta.types import common
-from google.cloud.discoveryengine_v1beta.types import data_store
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -871,10 +870,9 @@ def test_data_store_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1134,13 +1132,13 @@ def test_data_store_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1250,9 +1248,9 @@ def test_create_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.create_data_store(request)
 
@@ -1960,9 +1958,9 @@ def test_list_data_stores_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
         request = {}
         client.list_data_stores(request)
 
@@ -2481,9 +2479,9 @@ def test_delete_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.delete_data_store(request)
 
@@ -2834,9 +2832,9 @@ def test_update_data_store_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
         request = {}
         client.update_data_store(request)
 
@@ -3126,9 +3124,9 @@ def test_create_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_data_store(request)
@@ -3526,9 +3524,9 @@ def test_list_data_stores_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_data_stores
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_data_stores] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_data_stores(request)
@@ -3786,9 +3784,9 @@ def test_delete_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_data_store(request)
@@ -3967,9 +3965,9 @@ def test_update_data_store_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_data_store
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_data_store] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_data_store(request)
@@ -4526,8 +4524,9 @@ def test_create_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4708,20 +4707,21 @@ def test_create_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_create_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_create_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_create_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_create_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_create_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4774,8 +4774,9 @@ def test_get_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4848,17 +4849,20 @@ def test_get_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_get_data_store_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_get_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_get_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_get_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4911,8 +4915,9 @@ def test_list_data_stores_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4975,18 +4980,20 @@ def test_list_data_stores_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_list_data_stores_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_list_data_stores"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_list_data_stores_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_list_data_stores"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5044,8 +5051,9 @@ def test_delete_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5102,20 +5110,21 @@ def test_delete_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_delete_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_delete_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_delete_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_delete_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5170,8 +5179,9 @@ def test_update_data_store_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5370,18 +5380,20 @@ def test_update_data_store_rest_interceptors(null_interceptor):
     )
     client = DataStoreServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "post_update_data_store"
-    ) as post, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor,
-        "post_update_data_store_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "post_update_data_store"
+        ) as post,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor,
+            "post_update_data_store_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DataStoreServiceRestInterceptor, "pre_update_data_store"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5439,8 +5451,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5506,8 +5519,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5573,8 +5587,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5819,11 +5834,14 @@ def test_data_store_service_base_transport():
 
 def test_data_store_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport(
@@ -5840,9 +5858,12 @@ def test_data_store_service_base_transport_with_credentials_file():
 
 def test_data_store_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.data_store_service.transports.DataStoreServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DataStoreServiceTransport()
@@ -5914,11 +5935,12 @@ def test_data_store_service_transport_auth_gdch_credentials(transport_class):
 def test_data_store_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_document_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_document_service.py
index ce31b43b8ace..0385c8d4c201 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_document_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_document_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,32 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.document_service import (
+    DocumentServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.document_service import (
+    DocumentServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.document_service import pagers
+from google.cloud.discoveryengine_v1beta.services.document_service import transports
+from google.cloud.discoveryengine_v1beta.types import document
+from google.cloud.discoveryengine_v1beta.types import document as gcd_document
+from google.cloud.discoveryengine_v1beta.types import document_service
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -68,20 +79,8 @@
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.document_service import (
-    DocumentServiceAsyncClient,
-    DocumentServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    document_service,
-    import_config,
-    purge_config,
-)
-from google.cloud.discoveryengine_v1beta.types import document
-from google.cloud.discoveryengine_v1beta.types import document as gcd_document
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -871,10 +870,9 @@ def test_document_service_client_get_mtls_endpoint_and_cert_source(client_class)
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1129,13 +1127,13 @@ def test_document_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -3199,9 +3197,9 @@ def test_import_documents_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
         request = {}
         client.import_documents(request)
 
@@ -5020,9 +5018,9 @@ def test_import_documents_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_documents
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_documents] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_documents(request)
@@ -5983,8 +5981,9 @@ def test_get_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6056,17 +6055,19 @@ def test_get_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_get_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_get_document_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_get_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6121,8 +6122,9 @@ def test_list_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6187,17 +6189,20 @@ def test_list_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_list_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_list_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_list_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_list_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_list_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6257,8 +6262,9 @@ def test_create_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6427,17 +6433,20 @@ def test_create_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_create_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_create_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_create_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_create_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_create_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6494,8 +6503,9 @@ def test_update_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6666,17 +6676,20 @@ def test_update_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_update_document_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_update_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_update_document"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_update_document_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_update_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6731,8 +6744,9 @@ def test_delete_document_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6791,13 +6805,13 @@ def test_delete_document_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_delete_document"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_delete_document"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = document_service.DeleteDocumentRequest.pb(
             document_service.DeleteDocumentRequest()
@@ -6844,8 +6858,9 @@ def test_import_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6904,19 +6919,21 @@ def test_import_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_import_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_import_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_import_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_import_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_import_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6971,8 +6988,9 @@ def test_purge_documents_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7031,19 +7049,21 @@ def test_purge_documents_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_purge_documents_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_purge_documents"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "post_purge_documents"
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_purge_documents_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor, "pre_purge_documents"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7098,8 +7118,9 @@ def test_batch_get_documents_metadata_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7163,18 +7184,22 @@ def test_batch_get_documents_metadata_rest_interceptors(null_interceptor):
     )
     client = DocumentServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "post_batch_get_documents_metadata"
-    ) as post, mock.patch.object(
-        transports.DocumentServiceRestInterceptor,
-        "post_batch_get_documents_metadata_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.DocumentServiceRestInterceptor, "pre_batch_get_documents_metadata"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata",
+        ) as post,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "post_batch_get_documents_metadata_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.DocumentServiceRestInterceptor,
+            "pre_batch_get_documents_metadata",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7237,8 +7262,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7304,8 +7330,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7371,8 +7398,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7676,11 +7704,14 @@ def test_document_service_base_transport():
 
 def test_document_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport(
@@ -7697,9 +7728,12 @@ def test_document_service_base_transport_with_credentials_file():
 
 def test_document_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.document_service.transports.DocumentServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.DocumentServiceTransport()
@@ -7771,11 +7805,12 @@ def test_document_service_transport_auth_gdch_credentials(transport_class):
 def test_document_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_engine_service.py
index 29bbd93e0192..aa330abd1599 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.engine_service import (
     EngineServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.engine_service import (
     EngineServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1beta.services.engine_service import pagers
+from google.cloud.discoveryengine_v1beta.services.engine_service import transports
 from google.cloud.discoveryengine_v1beta.types import common
 from google.cloud.discoveryengine_v1beta.types import engine
 from google.cloud.discoveryengine_v1beta.types import engine as gcd_engine
 from google.cloud.discoveryengine_v1beta.types import engine_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -837,10 +838,9 @@ def test_engine_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1095,13 +1095,13 @@ def test_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -6190,8 +6190,9 @@ def test_create_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6337,19 +6338,20 @@ def test_create_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_create_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_create_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_create_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6404,8 +6406,9 @@ def test_delete_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6464,19 +6467,20 @@ def test_delete_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_delete_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_delete_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_delete_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6533,8 +6537,9 @@ def test_update_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6700,17 +6705,19 @@ def test_update_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_update_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_update_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_update_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6763,8 +6770,9 @@ def test_get_engine_rest_bad_request(request_type=engine_service.GetEngineReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6839,17 +6847,19 @@ def test_get_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_get_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_get_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_get_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -6900,8 +6910,9 @@ def test_list_engines_rest_bad_request(request_type=engine_service.ListEnginesRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -6964,17 +6975,19 @@ def test_list_engines_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_list_engines"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_list_engines_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_list_engines"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7029,8 +7042,9 @@ def test_pause_engine_rest_bad_request(request_type=engine_service.PauseEngineRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7105,17 +7119,19 @@ def test_pause_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_pause_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_pause_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_pause_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_pause_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_pause_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_pause_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7170,8 +7186,9 @@ def test_resume_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7246,17 +7263,19 @@ def test_resume_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_resume_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_resume_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_resume_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_resume_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_resume_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_resume_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7309,8 +7328,9 @@ def test_tune_engine_rest_bad_request(request_type=engine_service.TuneEngineRequ
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -7369,19 +7389,20 @@ def test_tune_engine_rest_interceptors(null_interceptor):
     )
     client = EngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_tune_engine"
-    ) as post, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "post_tune_engine_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EngineServiceRestInterceptor, "pre_tune_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_tune_engine"
+        ) as post,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "post_tune_engine_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EngineServiceRestInterceptor, "pre_tune_engine"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -7439,8 +7460,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7506,8 +7528,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7573,8 +7596,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -7876,11 +7900,14 @@ def test_engine_service_base_transport():
 
 def test_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport(
@@ -7897,9 +7924,12 @@ def test_engine_service_base_transport_with_credentials_file():
 
 def test_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.engine_service.transports.EngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EngineServiceTransport()
@@ -7971,11 +8001,12 @@ def test_engine_service_transport_auth_gdch_credentials(transport_class):
 def test_engine_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_evaluation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_evaluation_service.py
index 1985bbdb2c5b..0ce3daac1bc2 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_evaluation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_evaluation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,22 +44,32 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import (
+    EvaluationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import (
+    EvaluationServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import pagers
+from google.cloud.discoveryengine_v1beta.services.evaluation_service import transports
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
+from google.cloud.discoveryengine_v1beta.types import evaluation_service
+from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -66,17 +77,8 @@
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.rpc import status_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.evaluation_service import (
-    EvaluationServiceAsyncClient,
-    EvaluationServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import evaluation_service, search_service
-from google.cloud.discoveryengine_v1beta.types import evaluation as gcd_evaluation
-from google.cloud.discoveryengine_v1beta.types import common
-from google.cloud.discoveryengine_v1beta.types import evaluation
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -875,10 +877,9 @@ def test_evaluation_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1138,13 +1139,13 @@ def test_evaluation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1581,9 +1582,9 @@ def test_list_evaluations_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_evaluations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_evaluations] = (
+            mock_rpc
+        )
         request = {}
         client.list_evaluations(request)
 
@@ -2102,9 +2103,9 @@ def test_create_evaluation_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_evaluation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_evaluation] = (
+            mock_rpc
+        )
         request = {}
         client.create_evaluation(request)
 
@@ -3128,9 +3129,9 @@ def test_list_evaluations_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_evaluations
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_evaluations] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_evaluations(request)
@@ -3386,9 +3387,9 @@ def test_create_evaluation_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_evaluation
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_evaluation] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_evaluation(request)
@@ -4165,8 +4166,9 @@ def test_get_evaluation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4231,17 +4233,20 @@ def test_get_evaluation_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_get_evaluation"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_get_evaluation_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_get_evaluation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_get_evaluation"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_get_evaluation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_get_evaluation"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4294,8 +4299,9 @@ def test_list_evaluations_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4358,18 +4364,20 @@ def test_list_evaluations_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_list_evaluations"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_list_evaluations_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_list_evaluations"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_list_evaluations"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_list_evaluations_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_list_evaluations"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4427,8 +4435,9 @@ def test_create_evaluation_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4716,20 +4725,21 @@ def test_create_evaluation_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_create_evaluation"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_create_evaluation_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_create_evaluation"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_create_evaluation"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_create_evaluation_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_create_evaluation"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4784,8 +4794,9 @@ def test_list_evaluation_results_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4850,18 +4861,20 @@ def test_list_evaluation_results_rest_interceptors(null_interceptor):
     )
     client = EvaluationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "post_list_evaluation_results"
-    ) as post, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor,
-        "post_list_evaluation_results_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.EvaluationServiceRestInterceptor, "pre_list_evaluation_results"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "post_list_evaluation_results"
+        ) as post,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor,
+            "post_list_evaluation_results_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.EvaluationServiceRestInterceptor, "pre_list_evaluation_results"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4924,8 +4937,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4991,8 +5005,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5058,8 +5073,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5281,11 +5297,14 @@ def test_evaluation_service_base_transport():
 
 def test_evaluation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EvaluationServiceTransport(
@@ -5302,9 +5321,12 @@ def test_evaluation_service_base_transport_with_credentials_file():
 
 def test_evaluation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.evaluation_service.transports.EvaluationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.EvaluationServiceTransport()
@@ -5376,11 +5398,12 @@ def test_evaluation_service_transport_auth_gdch_credentials(transport_class):
 def test_evaluation_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_grounded_generation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_grounded_generation_service.py
index 62e3fcf87282..cd6e959d850a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_grounded_generation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_grounded_generation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,26 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1beta.services.grounded_generation_service import (
     GroundedGenerationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.grounded_generation_service import (
     GroundedGenerationServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    grounded_generation_service,
-    grounding,
+from google.cloud.discoveryengine_v1beta.services.grounded_generation_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1beta.types import grounded_generation_service
+from google.cloud.discoveryengine_v1beta.types import grounding
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -888,10 +894,9 @@ def test_grounded_generation_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1162,13 +1167,13 @@ def test_grounded_generation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -2373,8 +2378,9 @@ def test_generate_grounded_content_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2438,20 +2444,22 @@ def test_generate_grounded_content_rest_interceptors(null_interceptor):
     )
     client = GroundedGenerationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_generate_grounded_content",
-    ) as post, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_generate_grounded_content_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "pre_generate_grounded_content",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_generate_grounded_content",
+        ) as post,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_generate_grounded_content_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "pre_generate_grounded_content",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2515,8 +2523,9 @@ def test_check_grounding_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2583,18 +2592,20 @@ def test_check_grounding_rest_interceptors(null_interceptor):
     )
     client = GroundedGenerationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
-    ) as post, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor,
-        "post_check_grounding_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "post_check_grounding"
+        ) as post,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor,
+            "post_check_grounding_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.GroundedGenerationServiceRestInterceptor, "pre_check_grounding"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2657,8 +2668,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2724,8 +2736,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2791,8 +2804,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2949,11 +2963,14 @@ def test_grounded_generation_service_base_transport():
 
 def test_grounded_generation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport(
@@ -2970,9 +2987,12 @@ def test_grounded_generation_service_base_transport_with_credentials_file():
 
 def test_grounded_generation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.grounded_generation_service.transports.GroundedGenerationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.GroundedGenerationServiceTransport()
@@ -3046,11 +3066,12 @@ def test_grounded_generation_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_project_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_project_service.py
index b5378714fa77..89e9d155a58e 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_project_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_project_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,32 +44,33 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1beta.services.project_service import (
     ProjectServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.project_service import (
     ProjectServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import project, project_service
+from google.cloud.discoveryengine_v1beta.services.project_service import transports
+from google.cloud.discoveryengine_v1beta.types import project
+from google.cloud.discoveryengine_v1beta.types import project_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -834,10 +836,9 @@ def test_project_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1092,13 +1093,13 @@ def test_project_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1208,9 +1209,9 @@ def test_provision_project_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
         request = {}
         client.provision_project(request)
 
@@ -1487,9 +1488,9 @@ def test_provision_project_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.provision_project
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.provision_project] = (
+            mock_rpc
+        )
 
         request = {}
         client.provision_project(request)
@@ -1849,8 +1850,9 @@ def test_provision_project_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1907,19 +1909,21 @@ def test_provision_project_rest_interceptors(null_interceptor):
     )
     client = ProjectServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project"
-    ) as post, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "post_provision_project_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.ProjectServiceRestInterceptor, "pre_provision_project"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "post_provision_project"
+        ) as post,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor,
+            "post_provision_project_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ProjectServiceRestInterceptor, "pre_provision_project"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1977,8 +1981,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2044,8 +2049,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2111,8 +2117,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2269,11 +2276,14 @@ def test_project_service_base_transport():
 
 def test_project_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport(
@@ -2290,9 +2300,12 @@ def test_project_service_base_transport_with_credentials_file():
 
 def test_project_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.project_service.transports.ProjectServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ProjectServiceTransport()
@@ -2364,11 +2377,12 @@ def test_project_service_transport_auth_gdch_credentials(transport_class):
 def test_project_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_rank_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_rank_service.py
index 1400c396e330..e9b5ff6a69e8 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_rank_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_rank_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,23 +44,26 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1beta.services.rank_service import (
     RankServiceAsyncClient,
-    RankServiceClient,
-    transports,
 )
+from google.cloud.discoveryengine_v1beta.services.rank_service import RankServiceClient
+from google.cloud.discoveryengine_v1beta.services.rank_service import transports
 from google.cloud.discoveryengine_v1beta.types import rank_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -802,10 +806,9 @@ def test_rank_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1046,13 +1049,13 @@ def test_rank_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1196,9 +1199,9 @@ async def test_rank_async_use_cached_wrapped_rpc(transport: str = "grpc_asyncio"
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.rank
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.rank] = (
+            mock_rpc
+        )
 
         request = {}
         await client.rank(request)
@@ -1621,8 +1624,9 @@ def test_rank_rest_bad_request(request_type=rank_service.RankRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1684,17 +1688,15 @@ def test_rank_rest_interceptors(null_interceptor):
     )
     client = RankServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank"
-    ) as post, mock.patch.object(
-        transports.RankServiceRestInterceptor, "post_rank_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RankServiceRestInterceptor, "pre_rank"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(transports.RankServiceRestInterceptor, "post_rank") as post,
+        mock.patch.object(
+            transports.RankServiceRestInterceptor, "post_rank_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.RankServiceRestInterceptor, "pre_rank") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1750,8 +1752,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1817,8 +1820,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1884,8 +1888,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2018,11 +2023,14 @@ def test_rank_service_base_transport():
 
 def test_rank_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport(
@@ -2039,9 +2047,12 @@ def test_rank_service_base_transport_with_credentials_file():
 
 def test_rank_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.rank_service.transports.RankServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RankServiceTransport()
@@ -2113,11 +2124,12 @@ def test_rank_service_transport_auth_gdch_credentials(transport_class):
 def test_rank_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_recommendation_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_recommendation_service.py
index 2e5b7a952978..5a8e1e3d1b89 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_recommendation_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_recommendation_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,30 +44,35 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.recommendation_service import (
+    RecommendationServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.recommendation_service import (
+    RecommendationServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.recommendation_service import (
+    transports,
+)
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import recommendation_service
+from google.cloud.discoveryengine_v1beta.types import user_event
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.recommendation_service import (
-    RecommendationServiceAsyncClient,
-    RecommendationServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    common,
-    recommendation_service,
-    user_event,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -881,10 +887,9 @@ def test_recommendation_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1152,13 +1157,13 @@ def test_recommendation_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1749,8 +1754,9 @@ def test_recommend_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -1819,17 +1825,20 @@ def test_recommend_rest_interceptors(null_interceptor):
     )
     client = RecommendationServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend"
-    ) as post, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "post_recommend_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.RecommendationServiceRestInterceptor, "pre_recommend"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "post_recommend"
+        ) as post,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor,
+            "post_recommend_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.RecommendationServiceRestInterceptor, "pre_recommend"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -1892,8 +1901,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -1959,8 +1969,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2026,8 +2037,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2160,11 +2172,14 @@ def test_recommendation_service_base_transport():
 
 def test_recommendation_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport(
@@ -2181,9 +2196,12 @@ def test_recommendation_service_base_transport_with_credentials_file():
 
 def test_recommendation_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.recommendation_service.transports.RecommendationServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.RecommendationServiceTransport()
@@ -2255,11 +2273,12 @@ def test_recommendation_service_transport_auth_gdch_credentials(transport_class)
 def test_recommendation_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_service.py
index 4110b6088825..2e83b10adfdc 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,39 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-from google.type import date_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_service import (
     SampleQueryServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.sample_query_service import (
     SampleQueryServiceClient,
-    pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
+from google.cloud.discoveryengine_v1beta.services.sample_query_service import pagers
+from google.cloud.discoveryengine_v1beta.services.sample_query_service import transports
 from google.cloud.discoveryengine_v1beta.types import import_config
 from google.cloud.discoveryengine_v1beta.types import sample_query
+from google.cloud.discoveryengine_v1beta.types import sample_query as gcd_sample_query
 from google.cloud.discoveryengine_v1beta.types import sample_query_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+from google.type import date_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -878,10 +879,9 @@ def test_sample_query_service_client_get_mtls_endpoint_and_cert_source(client_cl
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1141,13 +1141,13 @@ def test_sample_query_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1254,9 +1254,9 @@ def test_get_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.get_sample_query(request)
 
@@ -1588,9 +1588,9 @@ def test_list_sample_queries_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_queries] = (
+            mock_rpc
+        )
         request = {}
         client.list_sample_queries(request)
 
@@ -2134,9 +2134,9 @@ def test_create_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.create_sample_query(request)
 
@@ -2504,9 +2504,9 @@ def test_update_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.update_sample_query(request)
 
@@ -2865,9 +2865,9 @@ def test_delete_sample_query_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_sample_query] = (
+            mock_rpc
+        )
         request = {}
         client.delete_sample_query(request)
 
@@ -3196,9 +3196,9 @@ def test_import_sample_queries_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_sample_queries] = (
+            mock_rpc
+        )
         request = {}
         client.import_sample_queries(request)
 
@@ -3389,9 +3389,9 @@ def test_get_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_sample_query(request)
@@ -3573,9 +3573,9 @@ def test_list_sample_queries_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_queries] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_sample_queries(request)
@@ -3839,9 +3839,9 @@ def test_create_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_sample_query(request)
@@ -4056,9 +4056,9 @@ def test_update_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_sample_query(request)
@@ -4246,9 +4246,9 @@ def test_delete_sample_query_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_sample_query
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_sample_query] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_sample_query(request)
@@ -4426,9 +4426,9 @@ def test_import_sample_queries_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_sample_queries
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_sample_queries] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_sample_queries(request)
@@ -4971,8 +4971,9 @@ def test_get_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5037,18 +5038,20 @@ def test_get_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_get_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_get_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_get_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_get_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_get_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_get_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5103,8 +5106,9 @@ def test_list_sample_queries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5169,18 +5173,20 @@ def test_list_sample_queries_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_list_sample_queries"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_list_sample_queries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_list_sample_queries"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_list_sample_queries"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_list_sample_queries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_list_sample_queries"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5240,8 +5246,9 @@ def test_create_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5385,18 +5392,20 @@ def test_create_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_create_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_create_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_create_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_create_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_create_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_create_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5455,8 +5464,9 @@ def test_update_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5602,18 +5612,20 @@ def test_update_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_update_sample_query"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_update_sample_query_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_update_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_update_sample_query"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_update_sample_query_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_update_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5670,8 +5682,9 @@ def test_delete_sample_query_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5730,13 +5743,13 @@ def test_delete_sample_query_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_delete_sample_query"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_delete_sample_query"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = sample_query_service.DeleteSampleQueryRequest.pb(
             sample_query_service.DeleteSampleQueryRequest()
@@ -5783,8 +5796,9 @@ def test_import_sample_queries_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5843,20 +5857,21 @@ def test_import_sample_queries_rest_interceptors(null_interceptor):
     )
     client = SampleQueryServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "post_import_sample_queries"
-    ) as post, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor,
-        "post_import_sample_queries_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQueryServiceRestInterceptor, "pre_import_sample_queries"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "post_import_sample_queries"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor,
+            "post_import_sample_queries_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQueryServiceRestInterceptor, "pre_import_sample_queries"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5914,8 +5929,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5981,8 +5997,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6048,8 +6065,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -6319,11 +6337,14 @@ def test_sample_query_service_base_transport():
 
 def test_sample_query_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQueryServiceTransport(
@@ -6340,9 +6361,12 @@ def test_sample_query_service_base_transport_with_credentials_file():
 
 def test_sample_query_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.sample_query_service.transports.SampleQueryServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQueryServiceTransport()
@@ -6414,11 +6438,12 @@ def test_sample_query_service_transport_auth_gdch_credentials(transport_class):
 def test_sample_query_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_set_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_set_service.py
index 90e4b6193de8..a1e5dd074c04 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_set_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_sample_query_set_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,30 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import (
     SampleQuerySetServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import (
     SampleQuerySetServiceClient,
-    pagers,
+)
+from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import pagers
+from google.cloud.discoveryengine_v1beta.services.sample_query_set_service import (
     transports,
 )
+from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import (
     sample_query_set as gcd_sample_query_set,
 )
-from google.cloud.discoveryengine_v1beta.types import sample_query_set
 from google.cloud.discoveryengine_v1beta.types import sample_query_set_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -883,10 +891,9 @@ def test_sample_query_set_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1154,13 +1161,13 @@ def test_sample_query_set_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1277,9 +1284,9 @@ def test_get_sample_query_set_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query_set
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query_set] = (
+            mock_rpc
+        )
         request = {}
         client.get_sample_query_set(request)
 
@@ -1626,9 +1633,9 @@ def test_list_sample_query_sets_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_query_sets
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_query_sets] = (
+            mock_rpc
+        )
         request = {}
         client.list_sample_query_sets(request)
 
@@ -3163,9 +3170,9 @@ def test_get_sample_query_set_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_sample_query_set
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_sample_query_set] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_sample_query_set(request)
@@ -3348,9 +3355,9 @@ def test_list_sample_query_sets_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_sample_query_sets
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_sample_query_sets] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_sample_query_sets(request)
@@ -4571,8 +4578,9 @@ def test_get_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4641,18 +4649,20 @@ def test_get_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_get_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_get_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_get_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor, "post_get_sample_query_set"
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_get_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor, "pre_get_sample_query_set"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4707,8 +4717,9 @@ def test_list_sample_query_sets_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4773,18 +4784,22 @@ def test_list_sample_query_sets_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_list_sample_query_sets"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_list_sample_query_sets_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_list_sample_query_sets"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_list_sample_query_sets",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_list_sample_query_sets_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_list_sample_query_sets",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4842,8 +4857,9 @@ def test_create_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4985,18 +5001,22 @@ def test_create_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_create_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_create_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_create_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_create_sample_query_set",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_create_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_create_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5058,8 +5078,9 @@ def test_update_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5205,18 +5226,22 @@ def test_update_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "post_update_sample_query_set"
-    ) as post, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor,
-        "post_update_sample_query_set_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_update_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_update_sample_query_set",
+        ) as post,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "post_update_sample_query_set_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_update_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5276,8 +5301,9 @@ def test_delete_sample_query_set_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5336,13 +5362,14 @@ def test_delete_sample_query_set_rest_interceptors(null_interceptor):
     )
     client = SampleQuerySetServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SampleQuerySetServiceRestInterceptor, "pre_delete_sample_query_set"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SampleQuerySetServiceRestInterceptor,
+            "pre_delete_sample_query_set",
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = sample_query_set_service.DeleteSampleQuerySetRequest.pb(
             sample_query_set_service.DeleteSampleQuerySetRequest()
@@ -5392,8 +5419,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5459,8 +5487,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5526,8 +5555,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5754,11 +5784,14 @@ def test_sample_query_set_service_base_transport():
 
 def test_sample_query_set_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQuerySetServiceTransport(
@@ -5775,9 +5808,12 @@ def test_sample_query_set_service_base_transport_with_credentials_file():
 
 def test_sample_query_set_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.sample_query_set_service.transports.SampleQuerySetServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SampleQuerySetServiceTransport()
@@ -5851,11 +5887,12 @@ def test_sample_query_set_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_schema_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_schema_service.py
index 11618c542aaf..5bd021bba7cf 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_schema_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_schema_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,37 +44,37 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import struct_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.schema_service import (
     SchemaServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.schema_service import (
     SchemaServiceClient,
-    pagers,
-    transports,
 )
+from google.cloud.discoveryengine_v1beta.services.schema_service import pagers
+from google.cloud.discoveryengine_v1beta.services.schema_service import transports
 from google.cloud.discoveryengine_v1beta.types import schema
 from google.cloud.discoveryengine_v1beta.types import schema as gcd_schema
 from google.cloud.discoveryengine_v1beta.types import schema_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import struct_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -835,10 +836,9 @@ def test_schema_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1093,13 +1093,13 @@ def test_schema_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4255,8 +4255,9 @@ def test_get_schema_rest_bad_request(request_type=schema_service.GetSchemaReques
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4322,17 +4323,19 @@ def test_get_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_get_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_get_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_get_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4383,8 +4386,9 @@ def test_list_schemas_rest_bad_request(request_type=schema_service.ListSchemasRe
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4447,17 +4451,19 @@ def test_list_schemas_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_list_schemas"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_list_schemas_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_list_schemas"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4512,8 +4518,9 @@ def test_create_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4642,19 +4649,20 @@ def test_create_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_create_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_create_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_create_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4711,8 +4719,9 @@ def test_update_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4845,19 +4854,20 @@ def test_update_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_update_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_update_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_update_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4912,8 +4922,9 @@ def test_delete_schema_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4972,19 +4983,20 @@ def test_delete_schema_rest_interceptors(null_interceptor):
     )
     client = SchemaServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema"
-    ) as post, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SchemaServiceRestInterceptor, "pre_delete_schema"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema"
+        ) as post,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "post_delete_schema_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SchemaServiceRestInterceptor, "pre_delete_schema"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5042,8 +5054,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5109,8 +5122,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5176,8 +5190,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5416,11 +5431,14 @@ def test_schema_service_base_transport():
 
 def test_schema_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport(
@@ -5437,9 +5455,12 @@ def test_schema_service_base_transport_with_credentials_file():
 
 def test_schema_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.schema_service.transports.SchemaServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SchemaServiceTransport()
@@ -5511,11 +5532,12 @@ def test_schema_service_transport_auth_gdch_credentials(transport_class):
 def test_schema_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_service.py
index 2e1d10031933..7478c4390c5a 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,25 +44,31 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.search_service import (
+    SearchServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.search_service import (
+    SearchServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.search_service import pagers
+from google.cloud.discoveryengine_v1beta.services.search_service import transports
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import search_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import struct_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.search_service import (
-    SearchServiceAsyncClient,
-    SearchServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import common, search_service
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -823,10 +830,9 @@ def test_search_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1081,13 +1087,13 @@ def test_search_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1263,9 +1269,9 @@ async def test_search_async_use_cached_wrapped_rpc(transport: str = "grpc_asynci
         # Replace cached wrapped function with mock
         mock_rpc = mock.AsyncMock()
         mock_rpc.return_value = mock.Mock()
-        client._client._transport._wrapped_methods[
-            client._client._transport.search
-        ] = mock_rpc
+        client._client._transport._wrapped_methods[client._client._transport.search] = (
+            mock_rpc
+        )
 
         request = {}
         await client.search(request)
@@ -1580,7 +1586,9 @@ async def test_search_async_pages():
         pages = []
         # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
         # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in (await client.search(request={})).pages:  # pragma: no branch
+        async for page_ in (  # pragma: no branch
+            await client.search(request={})
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -2679,8 +2687,9 @@ def test_search_rest_bad_request(request_type=search_service.SearchRequest):
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2755,17 +2764,17 @@ def test_search_rest_interceptors(null_interceptor):
     )
     client = SearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search"
-    ) as post, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "pre_search"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search"
+        ) as post,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(transports.SearchServiceRestInterceptor, "pre_search") as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2818,8 +2827,9 @@ def test_search_lite_rest_bad_request(request_type=search_service.SearchRequest)
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2894,17 +2904,19 @@ def test_search_lite_rest_interceptors(null_interceptor):
     )
     client = SearchServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_lite"
-    ) as post, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "post_search_lite_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchServiceRestInterceptor, "pre_search_lite"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_lite"
+        ) as post,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "post_search_lite_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchServiceRestInterceptor, "pre_search_lite"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2962,8 +2974,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3029,8 +3042,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3096,8 +3110,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3251,11 +3266,14 @@ def test_search_service_base_transport():
 
 def test_search_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport(
@@ -3272,9 +3290,12 @@ def test_search_service_base_transport_with_credentials_file():
 
 def test_search_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.search_service.transports.SearchServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchServiceTransport()
@@ -3346,11 +3367,12 @@ def test_search_service_transport_auth_gdch_credentials(transport_class):
 def test_search_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_tuning_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_tuning_service.py
index 8dc4448416bd..948f93ba3312 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_tuning_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_search_tuning_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,36 +44,36 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-
 from google.cloud.discoveryengine_v1beta.services.search_tuning_service import (
     SearchTuningServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.search_tuning_service import (
     SearchTuningServiceClient,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    custom_tuning_model,
-    import_config,
-    search_tuning_service,
+from google.cloud.discoveryengine_v1beta.services.search_tuning_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1beta.types import custom_tuning_model
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import search_tuning_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -885,10 +886,9 @@ def test_search_tuning_service_client_get_mtls_endpoint_and_cert_source(client_c
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1156,13 +1156,13 @@ def test_search_tuning_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1276,9 +1276,9 @@ def test_train_custom_model_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
         request = {}
         client.train_custom_model(request)
 
@@ -1536,9 +1536,9 @@ def test_list_custom_models_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
         request = {}
         client.list_custom_models(request)
 
@@ -1721,9 +1721,9 @@ def test_train_custom_model_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.train_custom_model
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.train_custom_model] = (
+            mock_rpc
+        )
 
         request = {}
         client.train_custom_model(request)
@@ -1847,9 +1847,9 @@ def test_list_custom_models_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_custom_models
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_custom_models] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_custom_models(request)
@@ -2190,8 +2190,9 @@ def test_train_custom_model_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2250,20 +2251,21 @@ def test_train_custom_model_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_train_custom_model_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_train_custom_model"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_train_custom_model_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_train_custom_model"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2318,8 +2320,9 @@ def test_list_custom_models_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -2381,18 +2384,20 @@ def test_list_custom_models_rest_interceptors(null_interceptor):
     )
     client = SearchTuningServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
-    ) as post, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor,
-        "post_list_custom_models_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "post_list_custom_models"
+        ) as post,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor,
+            "post_list_custom_models_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SearchTuningServiceRestInterceptor, "pre_list_custom_models"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -2455,8 +2460,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2522,8 +2528,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2589,8 +2596,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -2770,11 +2778,14 @@ def test_search_tuning_service_base_transport():
 
 def test_search_tuning_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport(
@@ -2791,9 +2802,12 @@ def test_search_tuning_service_base_transport_with_credentials_file():
 
 def test_search_tuning_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.search_tuning_service.transports.SearchTuningServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SearchTuningServiceTransport()
@@ -2865,11 +2879,12 @@ def test_search_tuning_service_transport_auth_gdch_credentials(transport_class):
 def test_search_tuning_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_serving_config_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_serving_config_service.py
index 8ec08771a52a..8de846fba059 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_serving_config_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_serving_config_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,31 +44,39 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import field_mask_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.serving_config_service import (
     ServingConfigServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.serving_config_service import (
     ServingConfigServiceClient,
-    pagers,
+)
+from google.cloud.discoveryengine_v1beta.services.serving_config_service import pagers
+from google.cloud.discoveryengine_v1beta.services.serving_config_service import (
     transports,
 )
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import search_service
+from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import (
     serving_config as gcd_serving_config,
 )
-from google.cloud.discoveryengine_v1beta.types import common, search_service
-from google.cloud.discoveryengine_v1beta.types import serving_config
 from google.cloud.discoveryengine_v1beta.types import serving_config_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import field_mask_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -880,10 +889,9 @@ def test_serving_config_service_client_get_mtls_endpoint_and_cert_source(client_
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1151,13 +1159,13 @@ def test_serving_config_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1293,9 +1301,9 @@ def test_update_serving_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
         request = {}
         client.update_serving_config(request)
 
@@ -1721,9 +1729,9 @@ def test_get_serving_config_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_serving_config] = (
+            mock_rpc
+        )
         request = {}
         client.get_serving_config(request)
 
@@ -2091,9 +2099,9 @@ def test_list_serving_configs_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_serving_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_serving_configs] = (
+            mock_rpc
+        )
         request = {}
         client.list_serving_configs(request)
 
@@ -2568,9 +2576,9 @@ def test_update_serving_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_serving_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_serving_config(request)
@@ -2762,9 +2770,9 @@ def test_get_serving_config_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_serving_config
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_serving_config] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_serving_config(request)
@@ -2946,9 +2954,9 @@ def test_list_serving_configs_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_serving_configs
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_serving_configs] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_serving_configs(request)
@@ -3516,8 +3524,9 @@ def test_update_serving_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3757,18 +3766,20 @@ def test_update_serving_config_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_update_serving_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_update_serving_config"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_update_serving_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_update_serving_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3825,8 +3836,9 @@ def test_get_serving_config_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3917,18 +3929,20 @@ def test_get_serving_config_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_get_serving_config"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_get_serving_config_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_get_serving_config"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_get_serving_config"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_get_serving_config_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_get_serving_config"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3983,8 +3997,9 @@ def test_list_serving_configs_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4049,18 +4064,20 @@ def test_list_serving_configs_rest_interceptors(null_interceptor):
     )
     client = ServingConfigServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "post_list_serving_configs"
-    ) as post, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor,
-        "post_list_serving_configs_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.ServingConfigServiceRestInterceptor, "pre_list_serving_configs"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "post_list_serving_configs"
+        ) as post,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor,
+            "post_list_serving_configs_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.ServingConfigServiceRestInterceptor, "pre_list_serving_configs"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4123,8 +4140,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4190,8 +4208,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4257,8 +4276,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4439,11 +4459,14 @@ def test_serving_config_service_base_transport():
 
 def test_serving_config_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport(
@@ -4460,9 +4483,12 @@ def test_serving_config_service_base_transport_with_credentials_file():
 
 def test_serving_config_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.serving_config_service.transports.ServingConfigServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.ServingConfigServiceTransport()
@@ -4534,11 +4560,12 @@ def test_serving_config_service_transport_auth_gdch_credentials(transport_class)
 def test_serving_config_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_session_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_session_service.py
index c3659c604a6b..1541afc33a57 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_session_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_session_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,32 +44,35 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.session_service import (
+    SessionServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.session_service import (
+    SessionServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.session_service import pagers
+from google.cloud.discoveryengine_v1beta.services.session_service import transports
+from google.cloud.discoveryengine_v1beta.types import answer
+from google.cloud.discoveryengine_v1beta.types import conversational_search_service
+from google.cloud.discoveryengine_v1beta.types import session
+from google.cloud.discoveryengine_v1beta.types import session as gcd_session
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
 from google.protobuf import field_mask_pb2  # type: ignore
 from google.protobuf import struct_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.session_service import (
-    SessionServiceAsyncClient,
-    SessionServiceClient,
-    pagers,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    answer,
-    conversational_search_service,
-)
-from google.cloud.discoveryengine_v1beta.types import session
-from google.cloud.discoveryengine_v1beta.types import session as gcd_session
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -834,10 +838,9 @@ def test_session_service_client_get_mtls_endpoint_and_cert_source(client_class):
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1092,13 +1095,13 @@ def test_session_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -4365,8 +4368,9 @@ def test_create_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4612,17 +4616,20 @@ def test_create_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_create_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_create_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_create_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_create_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_create_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -4677,8 +4684,9 @@ def test_delete_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -4737,13 +4745,13 @@ def test_delete_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_delete_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_delete_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         pb_message = conversational_search_service.DeleteSessionRequest.pb(
             conversational_search_service.DeleteSessionRequest()
@@ -4792,8 +4800,9 @@ def test_update_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5043,17 +5052,20 @@ def test_update_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_update_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_update_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_update_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor,
+            "post_update_session_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_update_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5108,8 +5120,9 @@ def test_get_session_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5182,17 +5195,19 @@ def test_get_session_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_get_session"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_get_session_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_get_session"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5245,8 +5260,9 @@ def test_list_sessions_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -5311,17 +5327,19 @@ def test_list_sessions_rest_interceptors(null_interceptor):
     )
     client = SessionServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions"
-    ) as post, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
-    ) as post_with_metadata, mock.patch.object(
-        transports.SessionServiceRestInterceptor, "pre_list_sessions"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions"
+        ) as post,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "post_list_sessions_with_metadata"
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SessionServiceRestInterceptor, "pre_list_sessions"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -5384,8 +5402,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5451,8 +5470,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5518,8 +5538,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -5736,11 +5757,14 @@ def test_session_service_base_transport():
 
 def test_session_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport(
@@ -5757,9 +5781,12 @@ def test_session_service_base_transport_with_credentials_file():
 
 def test_session_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.session_service.transports.SessionServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SessionServiceTransport()
@@ -5831,11 +5858,12 @@ def test_session_service_transport_auth_gdch_credentials(transport_class):
 def test_session_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_site_search_engine_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_site_search_engine_service.py
index 33fc4b153b90..a4bebb3efc96 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_site_search_engine_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_site_search_engine_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -43,38 +44,40 @@
 except ImportError:  # pragma: NO COVER
     HAS_GOOGLE_AUTH_AIO = False
 
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
-from google.cloud.location import locations_pb2
-from google.longrunning import operations_pb2  # type: ignore
-from google.oauth2 import service_account
-from google.protobuf import empty_pb2  # type: ignore
-from google.protobuf import timestamp_pb2  # type: ignore
-
 from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
     SiteSearchEngineServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
     SiteSearchEngineServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
     pagers,
-    transports,
 )
-from google.cloud.discoveryengine_v1beta.types import (
-    site_search_engine,
-    site_search_engine_service,
+from google.cloud.discoveryengine_v1beta.services.site_search_engine_service import (
+    transports,
 )
+from google.cloud.discoveryengine_v1beta.types import site_search_engine
+from google.cloud.discoveryengine_v1beta.types import site_search_engine_service
+from google.cloud.location import locations_pb2
+from google.longrunning import operations_pb2  # type: ignore
+from google.oauth2 import service_account
+from google.protobuf import empty_pb2  # type: ignore
+from google.protobuf import timestamp_pb2  # type: ignore
+import google.auth
+
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -891,10 +894,9 @@ def test_site_search_engine_service_client_get_mtls_endpoint_and_cert_source(
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1162,13 +1164,13 @@ def test_site_search_engine_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1282,9 +1284,9 @@ def test_get_site_search_engine_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
         request = {}
         client.get_site_search_engine(request)
 
@@ -1621,9 +1623,9 @@ def test_create_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.create_target_site(request)
 
@@ -2586,9 +2588,9 @@ def test_update_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.update_target_site(request)
 
@@ -2932,9 +2934,9 @@ def test_delete_target_site_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
         request = {}
         client.delete_target_site(request)
 
@@ -3283,9 +3285,9 @@ def test_list_target_sites_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
         request = {}
         client.list_target_sites(request)
 
@@ -6250,9 +6252,9 @@ def test_get_site_search_engine_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.get_site_search_engine
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.get_site_search_engine] = (
+            mock_rpc
+        )
 
         request = {}
         client.get_site_search_engine(request)
@@ -6434,9 +6436,9 @@ def test_create_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.create_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.create_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.create_target_site(request)
@@ -6943,9 +6945,9 @@ def test_update_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.update_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.update_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.update_target_site(request)
@@ -7124,9 +7126,9 @@ def test_delete_target_site_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.delete_target_site
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.delete_target_site] = (
+            mock_rpc
+        )
 
         request = {}
         client.delete_target_site(request)
@@ -7305,9 +7307,9 @@ def test_list_target_sites_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.list_target_sites
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.list_target_sites] = (
+            mock_rpc
+        )
 
         request = {}
         client.list_target_sites(request)
@@ -9721,8 +9723,9 @@ def test_get_site_search_engine_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -9787,18 +9790,22 @@ def test_get_site_search_engine_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_site_search_engine"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_site_search_engine_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_site_search_engine"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_site_search_engine_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_get_site_search_engine",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -9858,8 +9865,9 @@ def test_create_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10002,20 +10010,21 @@ def test_create_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_create_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_create_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_create_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_create_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10070,8 +10079,9 @@ def test_batch_create_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10130,22 +10140,23 @@ def test_batch_create_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_create_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_create_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_create_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_create_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10200,8 +10211,9 @@ def test_get_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10280,18 +10292,20 @@ def test_get_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_get_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_get_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_get_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_get_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10350,8 +10364,9 @@ def test_update_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10496,20 +10511,21 @@ def test_update_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_update_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_update_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_update_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_update_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10564,8 +10580,9 @@ def test_delete_target_site_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10624,20 +10641,21 @@ def test_delete_target_site_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_delete_target_site_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_delete_target_site"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_delete_target_site_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_target_site"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10692,8 +10710,9 @@ def test_list_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10762,18 +10781,20 @@ def test_list_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_list_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_list_target_sites"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_list_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_list_target_sites"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -10833,8 +10854,9 @@ def test_create_sitemap_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -10965,20 +10987,21 @@ def test_create_sitemap_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_create_sitemap"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_create_sitemap_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_create_sitemap"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_create_sitemap"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_create_sitemap_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_create_sitemap"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11033,8 +11056,9 @@ def test_delete_sitemap_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11093,20 +11117,21 @@ def test_delete_sitemap_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_delete_sitemap"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_delete_sitemap_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_sitemap"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_delete_sitemap"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_delete_sitemap_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_delete_sitemap"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11161,8 +11186,9 @@ def test_fetch_sitemaps_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11224,18 +11250,20 @@ def test_fetch_sitemaps_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_fetch_sitemaps"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_sitemaps_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_fetch_sitemaps"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_fetch_sitemaps"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_sitemaps_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_fetch_sitemaps"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11295,8 +11323,9 @@ def test_enable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11355,22 +11384,23 @@ def test_enable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_enable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_enable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_enable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_enable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11425,8 +11455,9 @@ def test_disable_advanced_site_search_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11485,22 +11516,23 @@ def test_disable_advanced_site_search_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_disable_advanced_site_search_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_disable_advanced_site_search",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_disable_advanced_site_search_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_disable_advanced_site_search",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11555,8 +11587,9 @@ def test_recrawl_uris_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11615,20 +11648,21 @@ def test_recrawl_uris_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_recrawl_uris_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "post_recrawl_uris"
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_recrawl_uris_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor, "pre_recrawl_uris"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11683,8 +11717,9 @@ def test_batch_verify_target_sites_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11743,22 +11778,23 @@ def test_batch_verify_target_sites_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_batch_verify_target_sites_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_batch_verify_target_sites",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_batch_verify_target_sites_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_batch_verify_target_sites",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11813,8 +11849,9 @@ def test_fetch_domain_verification_status_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -11885,20 +11922,22 @@ def test_fetch_domain_verification_status_rest_interceptors(null_interceptor):
     )
     client = SiteSearchEngineServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status",
-    ) as post, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "post_fetch_domain_verification_status_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.SiteSearchEngineServiceRestInterceptor,
-        "pre_fetch_domain_verification_status",
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status",
+        ) as post,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "post_fetch_domain_verification_status_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.SiteSearchEngineServiceRestInterceptor,
+            "pre_fetch_domain_verification_status",
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -11965,8 +12004,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12032,8 +12072,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12099,8 +12140,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -12569,11 +12611,14 @@ def test_site_search_engine_service_base_transport():
 
 def test_site_search_engine_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport(
@@ -12590,9 +12635,12 @@ def test_site_search_engine_service_base_transport_with_credentials_file():
 
 def test_site_search_engine_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.site_search_engine_service.transports.SiteSearchEngineServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.SiteSearchEngineServiceTransport()
@@ -12666,11 +12714,12 @@ def test_site_search_engine_service_transport_create_channel(
 ):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])
diff --git a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_user_event_service.py b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_user_event_service.py
index 98bc46398466..277ad7670cab 100644
--- a/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_user_event_service.py
+++ b/packages/google-cloud-discoveryengine/tests/unit/gapic/discoveryengine_v1beta/test_user_event_service.py
@@ -22,19 +22,20 @@
 except ImportError:  # pragma: NO COVER
     import mock
 
-from collections.abc import AsyncIterable, Iterable
+import grpc
+from grpc.experimental import aio
+from collections.abc import Iterable, AsyncIterable
+from google.protobuf import json_format
 import json
 import math
-
+import pytest
 from google.api_core import api_core_version
-from google.protobuf import json_format
-import grpc
-from grpc.experimental import aio
-from proto.marshal.rules import wrappers
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-import pytest
-from requests import PreparedRequest, Request, Response
+from proto.marshal.rules import wrappers
+from requests import Response
+from requests import Request, PreparedRequest
 from requests.sessions import Session
+from google.protobuf import json_format
 
 try:
     from google.auth.aio import credentials as ga_credentials_async
@@ -44,22 +45,31 @@
     HAS_GOOGLE_AUTH_AIO = False
 
 from google.api import httpbody_pb2  # type: ignore
-from google.api_core import (
-    future,
-    gapic_v1,
-    grpc_helpers,
-    grpc_helpers_async,
-    operation,
-    operations_v1,
-    path_template,
-)
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions
+from google.api_core import future
+from google.api_core import gapic_v1
+from google.api_core import grpc_helpers
+from google.api_core import grpc_helpers_async
+from google.api_core import operation
 from google.api_core import operation_async  # type: ignore
+from google.api_core import operations_v1
+from google.api_core import path_template
 from google.api_core import retry as retries
-import google.auth
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
+from google.cloud.discoveryengine_v1beta.services.user_event_service import (
+    UserEventServiceAsyncClient,
+)
+from google.cloud.discoveryengine_v1beta.services.user_event_service import (
+    UserEventServiceClient,
+)
+from google.cloud.discoveryengine_v1beta.services.user_event_service import transports
+from google.cloud.discoveryengine_v1beta.types import common
+from google.cloud.discoveryengine_v1beta.types import import_config
+from google.cloud.discoveryengine_v1beta.types import purge_config
+from google.cloud.discoveryengine_v1beta.types import user_event
+from google.cloud.discoveryengine_v1beta.types import user_event_service
 from google.cloud.location import locations_pb2
 from google.longrunning import operations_pb2  # type: ignore
 from google.oauth2 import service_account
@@ -67,19 +77,8 @@
 from google.protobuf import duration_pb2  # type: ignore
 from google.protobuf import timestamp_pb2  # type: ignore
 from google.type import date_pb2  # type: ignore
+import google.auth
 
-from google.cloud.discoveryengine_v1beta.services.user_event_service import (
-    UserEventServiceAsyncClient,
-    UserEventServiceClient,
-    transports,
-)
-from google.cloud.discoveryengine_v1beta.types import (
-    common,
-    import_config,
-    purge_config,
-    user_event,
-    user_event_service,
-)
 
 CRED_INFO_JSON = {
     "credential_source": "/path/to/file",
@@ -870,10 +869,9 @@ def test_user_event_service_client_get_mtls_endpoint_and_cert_source(client_clas
                 "google.auth.transport.mtls.default_client_cert_source",
                 return_value=mock_client_cert_source,
             ):
-                (
-                    api_endpoint,
-                    cert_source,
-                ) = client_class.get_mtls_endpoint_and_cert_source()
+                api_endpoint, cert_source = (
+                    client_class.get_mtls_endpoint_and_cert_source()
+                )
                 assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                 assert cert_source == mock_client_cert_source
 
@@ -1133,13 +1131,13 @@ def test_user_event_service_client_create_channel_credentials_file(
         )
 
     # test that the credentials from file are saved and used as the credentials.
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel"
-    ) as create_channel:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(grpc_helpers, "create_channel") as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         file_creds = ga_credentials.AnonymousCredentials()
         load_creds.return_value = (file_creds, None)
@@ -1264,9 +1262,9 @@ def test_write_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.write_user_event(request)
 
@@ -1538,9 +1536,9 @@ def test_collect_user_event_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
         request = {}
         client.collect_user_event(request)
 
@@ -1793,9 +1791,9 @@ def test_purge_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.purge_user_events(request)
 
@@ -2052,9 +2050,9 @@ def test_import_user_events_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
         request = {}
         client.import_user_events(request)
 
@@ -2244,9 +2242,9 @@ def test_write_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.write_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.write_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.write_user_event(request)
@@ -2379,9 +2377,9 @@ def test_collect_user_event_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.collect_user_event
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.collect_user_event] = (
+            mock_rpc
+        )
 
         request = {}
         client.collect_user_event(request)
@@ -2534,9 +2532,9 @@ def test_purge_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.purge_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.purge_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.purge_user_events(request)
@@ -2672,9 +2670,9 @@ def test_import_user_events_rest_use_cached_wrapped_rpc():
         mock_rpc.return_value.name = (
             "foo"  # operation_request.operation in compute client(s) expect a string.
         )
-        client._transport._wrapped_methods[
-            client._transport.import_user_events
-        ] = mock_rpc
+        client._transport._wrapped_methods[client._transport.import_user_events] = (
+            mock_rpc
+        )
 
         request = {}
         client.import_user_events(request)
@@ -3123,8 +3121,9 @@ def test_write_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3332,18 +3331,20 @@ def test_write_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_write_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_write_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_write_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_write_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_write_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_write_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3396,8 +3397,9 @@ def test_collect_user_event_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3459,18 +3461,20 @@ def test_collect_user_event_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_collect_user_event"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_collect_user_event_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_collect_user_event"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_collect_user_event_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_collect_user_event"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3523,8 +3527,9 @@ def test_purge_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3581,20 +3586,21 @@ def test_purge_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_purge_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_purge_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_purge_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_purge_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_purge_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3647,8 +3653,9 @@ def test_import_user_events_rest_bad_request(
     request = request_type(**request_init)
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = mock.Mock()
@@ -3705,20 +3712,21 @@ def test_import_user_events_rest_interceptors(null_interceptor):
     )
     client = UserEventServiceClient(transport=transport)
 
-    with mock.patch.object(
-        type(client.transport._session), "request"
-    ) as req, mock.patch.object(
-        path_template, "transcode"
-    ) as transcode, mock.patch.object(
-        operation.Operation, "_set_result_from_operation"
-    ), mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "post_import_user_events"
-    ) as post, mock.patch.object(
-        transports.UserEventServiceRestInterceptor,
-        "post_import_user_events_with_metadata",
-    ) as post_with_metadata, mock.patch.object(
-        transports.UserEventServiceRestInterceptor, "pre_import_user_events"
-    ) as pre:
+    with (
+        mock.patch.object(type(client.transport._session), "request") as req,
+        mock.patch.object(path_template, "transcode") as transcode,
+        mock.patch.object(operation.Operation, "_set_result_from_operation"),
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "post_import_user_events"
+        ) as post,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor,
+            "post_import_user_events_with_metadata",
+        ) as post_with_metadata,
+        mock.patch.object(
+            transports.UserEventServiceRestInterceptor, "pre_import_user_events"
+        ) as pre,
+    ):
         pre.assert_not_called()
         post.assert_not_called()
         post_with_metadata.assert_not_called()
@@ -3776,8 +3784,9 @@ def test_cancel_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3843,8 +3852,9 @@ def test_get_operation_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -3910,8 +3920,9 @@ def test_list_operations_rest_bad_request(
     )
 
     # Mock the http request call within the method and fake a BadRequest error.
-    with mock.patch.object(Session, "request") as req, pytest.raises(
-        core_exceptions.BadRequest
+    with (
+        mock.patch.object(Session, "request") as req,
+        pytest.raises(core_exceptions.BadRequest),
     ):
         # Wrap the value into a proper Response obj
         response_value = Response()
@@ -4135,11 +4146,14 @@ def test_user_event_service_base_transport():
 
 def test_user_event_service_base_transport_with_credentials_file():
     # Instantiate the base transport with a credentials file
-    with mock.patch.object(
-        google.auth, "load_credentials_from_file", autospec=True
-    ) as load_creds, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(
+            google.auth, "load_credentials_from_file", autospec=True
+        ) as load_creds,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport(
@@ -4156,9 +4170,12 @@ def test_user_event_service_base_transport_with_credentials_file():
 
 def test_user_event_service_base_transport_with_adc():
     # Test the default credentials are used if credentials and credentials_file are None.
-    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
-        "google.cloud.discoveryengine_v1beta.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
-    ) as Transport:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch(
+            "google.cloud.discoveryengine_v1beta.services.user_event_service.transports.UserEventServiceTransport._prep_wrapped_messages"
+        ) as Transport,
+    ):
         Transport.return_value = None
         adc.return_value = (ga_credentials.AnonymousCredentials(), None)
         transport = transports.UserEventServiceTransport()
@@ -4230,11 +4247,12 @@ def test_user_event_service_transport_auth_gdch_credentials(transport_class):
 def test_user_event_service_transport_create_channel(transport_class, grpc_helpers):
     # If credentials and host are not provided, the transport class should use
     # ADC credentials.
-    with mock.patch.object(
-        google.auth, "default", autospec=True
-    ) as adc, mock.patch.object(
-        grpc_helpers, "create_channel", autospec=True
-    ) as create_channel:
+    with (
+        mock.patch.object(google.auth, "default", autospec=True) as adc,
+        mock.patch.object(
+            grpc_helpers, "create_channel", autospec=True
+        ) as create_channel,
+    ):
         creds = ga_credentials.AnonymousCredentials()
         adc.return_value = (creds, None)
         transport_class(quota_project_id="octopus", scopes=["1", "2"])