diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
index 961b0b94f..c3a373314 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (AgentsClient agentsClient = AgentsClient.create()) {
  *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Agent response = agentsClient.getAgent(name);
@@ -83,6 +85,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings agentsSettings =
  *     AgentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings agentsSettings = AgentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * AgentsClient agentsClient = AgentsClient.create(agentsSettings);
  * }</pre>
@@ -168,6 +174,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Agent element : agentsClient.listAgents(parent).iterateAll()) {
@@ -193,6 +201,8 @@ public final ListAgentsPagedResponse listAgents(LocationName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Agent element : agentsClient.listAgents(parent).iterateAll()) {
@@ -217,6 +227,8 @@ public final ListAgentsPagedResponse listAgents(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -244,6 +256,8 @@ public final ListAgentsPagedResponse listAgents(ListAgentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -270,6 +284,8 @@ public final UnaryCallable<ListAgentsRequest, ListAgentsPagedResponse> listAgent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -303,6 +319,8 @@ public final UnaryCallable<ListAgentsRequest, ListAgentsResponse> listAgentsCall
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Agent response = agentsClient.getAgent(name);
@@ -326,6 +344,8 @@ public final Agent getAgent(AgentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Agent response = agentsClient.getAgent(name);
@@ -348,6 +368,8 @@ public final Agent getAgent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentRequest request =
    *       GetAgentRequest.newBuilder()
@@ -371,6 +393,8 @@ public final Agent getAgent(GetAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentRequest request =
    *       GetAgentRequest.newBuilder()
@@ -396,6 +420,8 @@ public final UnaryCallable<GetAgentRequest, Agent> getAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Agent agent = Agent.newBuilder().build();
@@ -427,6 +453,8 @@ public final Agent createAgent(LocationName parent, Agent agent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Agent agent = Agent.newBuilder().build();
@@ -455,6 +483,8 @@ public final Agent createAgent(String parent, Agent agent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   CreateAgentRequest request =
    *       CreateAgentRequest.newBuilder()
@@ -482,6 +512,8 @@ public final Agent createAgent(CreateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   CreateAgentRequest request =
    *       CreateAgentRequest.newBuilder()
@@ -508,6 +540,8 @@ public final UnaryCallable<CreateAgentRequest, Agent> createAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   Agent agent = Agent.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -536,6 +570,8 @@ public final Agent updateAgent(Agent agent, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   UpdateAgentRequest request =
    *       UpdateAgentRequest.newBuilder()
@@ -563,6 +599,8 @@ public final Agent updateAgent(UpdateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   UpdateAgentRequest request =
    *       UpdateAgentRequest.newBuilder()
@@ -586,6 +624,8 @@ public final UnaryCallable<UpdateAgentRequest, Agent> updateAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   agentsClient.deleteAgent(name);
@@ -609,6 +649,8 @@ public final void deleteAgent(AgentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   agentsClient.deleteAgent(name);
@@ -631,6 +673,8 @@ public final void deleteAgent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   DeleteAgentRequest request =
    *       DeleteAgentRequest.newBuilder()
@@ -654,6 +698,8 @@ public final void deleteAgent(DeleteAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   DeleteAgentRequest request =
    *       DeleteAgentRequest.newBuilder()
@@ -684,6 +730,8 @@ public final UnaryCallable<DeleteAgentRequest, Empty> deleteAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -720,6 +768,8 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -756,6 +806,8 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -797,6 +849,8 @@ public final UnaryCallable<ExportAgentRequest, Operation> exportAgentCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -835,6 +889,8 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -874,6 +930,8 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -898,6 +956,8 @@ public final UnaryCallable<RestoreAgentRequest, Operation> restoreAgentCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ValidateAgentRequest request =
    *       ValidateAgentRequest.newBuilder()
@@ -924,6 +984,8 @@ public final AgentValidationResult validateAgent(ValidateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ValidateAgentRequest request =
    *       ValidateAgentRequest.newBuilder()
@@ -949,6 +1011,8 @@ public final UnaryCallable<ValidateAgentRequest, AgentValidationResult> validate
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentValidationResultName name =
    *       AgentValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
@@ -976,6 +1040,8 @@ public final AgentValidationResult getAgentValidationResult(AgentValidationResul
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   AgentValidationResult response = agentsClient.getAgentValidationResult(name);
@@ -1000,6 +1066,8 @@ public final AgentValidationResult getAgentValidationResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentValidationResultRequest request =
    *       GetAgentValidationResultRequest.newBuilder()
@@ -1027,6 +1095,8 @@ public final AgentValidationResult getAgentValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentValidationResultRequest request =
    *       GetAgentValidationResultRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsSettings.java
index 73a976227..c096ae81d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of getAgent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings.Builder agentsSettingsBuilder = AgentsSettings.newBuilder();
  * agentsSettingsBuilder
  *     .getAgentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClient.java
index 59e5b251a..c21d3e27e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -41,6 +41,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
  *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
  *   Changelog response = changelogsClient.getChangelog(name);
@@ -76,6 +78,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings changelogsSettings =
  *     ChangelogsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -86,6 +90,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings changelogsSettings =
  *     ChangelogsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ChangelogsClient changelogsClient = ChangelogsClient.create(changelogsSettings);
@@ -151,6 +157,8 @@ public ChangelogsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Changelog element : changelogsClient.listChangelogs(parent).iterateAll()) {
@@ -178,6 +186,8 @@ public final ListChangelogsPagedResponse listChangelogs(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Changelog element : changelogsClient.listChangelogs(parent).iterateAll()) {
@@ -202,6 +212,8 @@ public final ListChangelogsPagedResponse listChangelogs(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -230,6 +242,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -259,6 +273,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -294,6 +310,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
    *   Changelog response = changelogsClient.getChangelog(name);
@@ -318,6 +336,8 @@ public final Changelog getChangelog(ChangelogName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   String name =
    *       ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]").toString();
@@ -342,6 +362,8 @@ public final Changelog getChangelog(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   GetChangelogRequest request =
    *       GetChangelogRequest.newBuilder()
@@ -366,6 +388,8 @@ public final Changelog getChangelog(GetChangelogRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   GetChangelogRequest request =
    *       GetChangelogRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsSettings.java
index 33bd0f8c0..783a5c39b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,8 @@
  * <p>For example, to set the total timeout of getChangelog to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings.Builder changelogsSettingsBuilder = ChangelogsSettings.newBuilder();
  * changelogsSettingsBuilder
  *     .getChangelogSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClient.java
index 1bd280af1..ad80da897 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,6 +42,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
  *   DeploymentName name =
  *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings deploymentsSettings =
  *     DeploymentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings deploymentsSettings =
  *     DeploymentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * DeploymentsClient deploymentsClient = DeploymentsClient.create(deploymentsSettings);
@@ -155,6 +161,8 @@ public DeploymentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -185,6 +193,8 @@ public final ListDeploymentsPagedResponse listDeployments(EnvironmentName parent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -212,6 +222,8 @@ public final ListDeploymentsPagedResponse listDeployments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -242,6 +254,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -273,6 +287,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -310,6 +326,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   DeploymentName name =
    *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -335,6 +353,8 @@ public final Deployment getDeployment(DeploymentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   String name =
    *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]")
@@ -360,6 +380,8 @@ public final Deployment getDeployment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   GetDeploymentRequest request =
    *       GetDeploymentRequest.newBuilder()
@@ -386,6 +408,8 @@ public final Deployment getDeployment(GetDeploymentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   GetDeploymentRequest request =
    *       GetDeploymentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsSettings.java
index 914d0ef2f..bc57271bf 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,8 @@
  * <p>For example, to set the total timeout of getDeployment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings.Builder deploymentsSettingsBuilder = DeploymentsSettings.newBuilder();
  * deploymentsSettingsBuilder
  *     .getDeploymentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClient.java
index ad57fce01..10566dc0d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
  *   EntityTypeName name =
  *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings entityTypesSettings =
  *     EntityTypesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings entityTypesSettings =
  *     EntityTypesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * EntityTypesClient entityTypesClient = EntityTypesClient.create(entityTypesSettings);
@@ -156,6 +162,8 @@ public EntityTypesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (EntityType element : entityTypesClient.listEntityTypes(parent).iterateAll()) {
@@ -183,6 +191,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (EntityType element : entityTypesClient.listEntityTypes(parent).iterateAll()) {
@@ -207,6 +217,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -235,6 +247,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -264,6 +278,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -300,6 +316,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityTypeName name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -325,6 +343,8 @@ public final EntityType getEntityType(EntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]").toString();
@@ -349,6 +369,8 @@ public final EntityType getEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   GetEntityTypeRequest request =
    *       GetEntityTypeRequest.newBuilder()
@@ -375,6 +397,8 @@ public final EntityType getEntityType(GetEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   GetEntityTypeRequest request =
    *       GetEntityTypeRequest.newBuilder()
@@ -403,6 +427,8 @@ public final UnaryCallable<GetEntityTypeRequest, EntityType> getEntityTypeCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   EntityType entityType = EntityType.newBuilder().build();
@@ -434,6 +460,8 @@ public final EntityType createEntityType(AgentName parent, EntityType entityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   EntityType entityType = EntityType.newBuilder().build();
@@ -462,6 +490,8 @@ public final EntityType createEntityType(String parent, EntityType entityType) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   CreateEntityTypeRequest request =
    *       CreateEntityTypeRequest.newBuilder()
@@ -490,6 +520,8 @@ public final EntityType createEntityType(CreateEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   CreateEntityTypeRequest request =
    *       CreateEntityTypeRequest.newBuilder()
@@ -518,6 +550,8 @@ public final UnaryCallable<CreateEntityTypeRequest, EntityType> createEntityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityType entityType = EntityType.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -548,6 +582,8 @@ public final EntityType updateEntityType(EntityType entityType, FieldMask update
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   UpdateEntityTypeRequest request =
    *       UpdateEntityTypeRequest.newBuilder()
@@ -576,6 +612,8 @@ public final EntityType updateEntityType(UpdateEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   UpdateEntityTypeRequest request =
    *       UpdateEntityTypeRequest.newBuilder()
@@ -604,6 +642,8 @@ public final UnaryCallable<UpdateEntityTypeRequest, EntityType> updateEntityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityTypeName name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -632,6 +672,8 @@ public final void deleteEntityType(EntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]").toString();
@@ -659,6 +701,8 @@ public final void deleteEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   DeleteEntityTypeRequest request =
    *       DeleteEntityTypeRequest.newBuilder()
@@ -688,6 +732,8 @@ public final void deleteEntityType(DeleteEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   DeleteEntityTypeRequest request =
    *       DeleteEntityTypeRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesSettings.java
index cd4a17eea..d64e6c08e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings.Builder entityTypesSettingsBuilder = EntityTypesSettings.newBuilder();
  * entityTypesSettingsBuilder
  *     .getEntityTypeSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClient.java
index 034a4ce42..90841eb35 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,6 +49,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
  *   EnvironmentName name =
  *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -85,6 +87,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings environmentsSettings =
  *     EnvironmentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -95,6 +99,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings environmentsSettings =
  *     EnvironmentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * EnvironmentsClient environmentsClient = EnvironmentsClient.create(environmentsSettings);
@@ -173,6 +179,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Environment element : environmentsClient.listEnvironments(parent).iterateAll()) {
@@ -202,6 +210,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Environment element : environmentsClient.listEnvironments(parent).iterateAll()) {
@@ -229,6 +239,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -257,6 +269,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -286,6 +300,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -321,6 +337,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -346,6 +364,8 @@ public final Environment getEnvironment(EnvironmentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -370,6 +390,8 @@ public final Environment getEnvironment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -395,6 +417,8 @@ public final Environment getEnvironment(GetEnvironmentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -429,6 +453,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Environment environment = Environment.newBuilder().build();
@@ -468,6 +494,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Environment environment = Environment.newBuilder().build();
@@ -504,6 +532,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -538,6 +568,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -572,6 +604,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -604,6 +638,8 @@ public final UnaryCallable<CreateEnvironmentRequest, Operation> createEnvironmen
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   Environment environment = Environment.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -641,6 +677,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -674,6 +712,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -707,6 +747,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -731,6 +773,8 @@ public final UnaryCallable<UpdateEnvironmentRequest, Operation> updateEnvironmen
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -758,6 +802,8 @@ public final void deleteEnvironment(EnvironmentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -782,6 +828,8 @@ public final void deleteEnvironment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder()
@@ -807,6 +855,8 @@ public final void deleteEnvironment(DeleteEnvironmentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder()
@@ -831,6 +881,8 @@ public final UnaryCallable<DeleteEnvironmentRequest, Empty> deleteEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -861,6 +913,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -888,6 +942,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(Stri
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -919,6 +975,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -949,6 +1007,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -996,6 +1056,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1032,6 +1094,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1069,6 +1133,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1094,6 +1160,8 @@ public final UnaryCallable<RunContinuousTestRequest, Operation> runContinuousTes
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -1125,6 +1193,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -1153,6 +1223,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(St
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1184,6 +1256,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1215,6 +1289,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1259,6 +1335,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
@@ -1295,6 +1373,8 @@ public final OperationFuture<DeployFlowResponse, DeployFlowMetadata> deployFlowA
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
@@ -1331,6 +1411,8 @@ public final OperationFuture<DeployFlowResponse, DeployFlowMetadata> deployFlowA
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsSettings.java
index 7ab0aaf86..cee4c6ccd 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,6 +58,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings.Builder environmentsSettingsBuilder = EnvironmentsSettings.newBuilder();
  * environmentsSettingsBuilder
  *     .getEnvironmentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClient.java
index 6051e1001..3710628b4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
  *   ExperimentName name =
  *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings experimentsSettings =
  *     ExperimentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings experimentsSettings =
  *     ExperimentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ExperimentsClient experimentsClient = ExperimentsClient.create(experimentsSettings);
@@ -157,6 +163,8 @@ public ExperimentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -187,6 +195,8 @@ public final ListExperimentsPagedResponse listExperiments(EnvironmentName parent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -214,6 +224,8 @@ public final ListExperimentsPagedResponse listExperiments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -244,6 +256,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -275,6 +289,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -312,6 +328,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -337,6 +355,8 @@ public final Experiment getExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -362,6 +382,8 @@ public final Experiment getExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   GetExperimentRequest request =
    *       GetExperimentRequest.newBuilder()
@@ -388,6 +410,8 @@ public final Experiment getExperiment(GetExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   GetExperimentRequest request =
    *       GetExperimentRequest.newBuilder()
@@ -414,6 +438,8 @@ public final UnaryCallable<GetExperimentRequest, Experiment> getExperimentCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -446,6 +472,8 @@ public final Experiment createExperiment(EnvironmentName parent, Experiment expe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -475,6 +503,8 @@ public final Experiment createExperiment(String parent, Experiment experiment) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   CreateExperimentRequest request =
    *       CreateExperimentRequest.newBuilder()
@@ -502,6 +532,8 @@ public final Experiment createExperiment(CreateExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   CreateExperimentRequest request =
    *       CreateExperimentRequest.newBuilder()
@@ -528,6 +560,8 @@ public final UnaryCallable<CreateExperimentRequest, Experiment> createExperiment
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   Experiment experiment = Experiment.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -555,6 +589,8 @@ public final Experiment updateExperiment(Experiment experiment, FieldMask update
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   UpdateExperimentRequest request =
    *       UpdateExperimentRequest.newBuilder()
@@ -579,6 +615,8 @@ public final Experiment updateExperiment(UpdateExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   UpdateExperimentRequest request =
    *       UpdateExperimentRequest.newBuilder()
@@ -603,6 +641,8 @@ public final UnaryCallable<UpdateExperimentRequest, Experiment> updateExperiment
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -629,6 +669,8 @@ public final void deleteExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -655,6 +697,8 @@ public final void deleteExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   DeleteExperimentRequest request =
    *       DeleteExperimentRequest.newBuilder()
@@ -681,6 +725,8 @@ public final void deleteExperiment(DeleteExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   DeleteExperimentRequest request =
    *       DeleteExperimentRequest.newBuilder()
@@ -707,6 +753,8 @@ public final UnaryCallable<DeleteExperimentRequest, Empty> deleteExperimentCalla
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -733,6 +781,8 @@ public final Experiment startExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -759,6 +809,8 @@ public final Experiment startExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StartExperimentRequest request =
    *       StartExperimentRequest.newBuilder()
@@ -786,6 +838,8 @@ public final Experiment startExperiment(StartExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StartExperimentRequest request =
    *       StartExperimentRequest.newBuilder()
@@ -813,6 +867,8 @@ public final UnaryCallable<StartExperimentRequest, Experiment> startExperimentCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -839,6 +895,8 @@ public final Experiment stopExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -865,6 +923,8 @@ public final Experiment stopExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StopExperimentRequest request =
    *       StopExperimentRequest.newBuilder()
@@ -892,6 +952,8 @@ public final Experiment stopExperiment(StopExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StopExperimentRequest request =
    *       StopExperimentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsSettings.java
index abf7ed7cf..391aa9276 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getExperiment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings.Builder experimentsSettingsBuilder = ExperimentsSettings.newBuilder();
  * experimentsSettingsBuilder
  *     .getExperimentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
index c85fde22b..fbcf8a56b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (FlowsClient flowsClient = FlowsClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Flow flow = Flow.newBuilder().build();
@@ -84,6 +86,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings flowsSettings =
  *     FlowsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings flowsSettings = FlowsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * FlowsClient flowsClient = FlowsClient.create(flowsSettings);
  * }</pre>
@@ -172,6 +178,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Flow flow = Flow.newBuilder().build();
@@ -203,6 +211,8 @@ public final Flow createFlow(AgentName parent, Flow flow) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Flow flow = Flow.newBuilder().build();
@@ -231,6 +241,8 @@ public final Flow createFlow(String parent, Flow flow) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   CreateFlowRequest request =
    *       CreateFlowRequest.newBuilder()
@@ -259,6 +271,8 @@ public final Flow createFlow(CreateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   CreateFlowRequest request =
    *       CreateFlowRequest.newBuilder()
@@ -283,6 +297,8 @@ public final UnaryCallable<CreateFlowRequest, Flow> createFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   flowsClient.deleteFlow(name);
@@ -306,6 +322,8 @@ public final void deleteFlow(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   flowsClient.deleteFlow(name);
@@ -328,6 +346,8 @@ public final void deleteFlow(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   DeleteFlowRequest request =
    *       DeleteFlowRequest.newBuilder()
@@ -352,6 +372,8 @@ public final void deleteFlow(DeleteFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   DeleteFlowRequest request =
    *       DeleteFlowRequest.newBuilder()
@@ -375,6 +397,8 @@ public final UnaryCallable<DeleteFlowRequest, Empty> deleteFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Flow element : flowsClient.listFlows(parent).iterateAll()) {
@@ -400,6 +424,8 @@ public final ListFlowsPagedResponse listFlows(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Flow element : flowsClient.listFlows(parent).iterateAll()) {
@@ -424,6 +450,8 @@ public final ListFlowsPagedResponse listFlows(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -452,6 +480,8 @@ public final ListFlowsPagedResponse listFlows(ListFlowsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -479,6 +509,8 @@ public final UnaryCallable<ListFlowsRequest, ListFlowsPagedResponse> listFlowsPa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -513,6 +545,8 @@ public final UnaryCallable<ListFlowsRequest, ListFlowsResponse> listFlowsCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Flow response = flowsClient.getFlow(name);
@@ -536,6 +570,8 @@ public final Flow getFlow(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Flow response = flowsClient.getFlow(name);
@@ -558,6 +594,8 @@ public final Flow getFlow(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowRequest request =
    *       GetFlowRequest.newBuilder()
@@ -582,6 +620,8 @@ public final Flow getFlow(GetFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowRequest request =
    *       GetFlowRequest.newBuilder()
@@ -608,6 +648,8 @@ public final UnaryCallable<GetFlowRequest, Flow> getFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   Flow flow = Flow.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -636,6 +678,8 @@ public final Flow updateFlow(Flow flow, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   UpdateFlowRequest request =
    *       UpdateFlowRequest.newBuilder()
@@ -664,6 +708,8 @@ public final Flow updateFlow(UpdateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   UpdateFlowRequest request =
    *       UpdateFlowRequest.newBuilder()
@@ -700,6 +746,8 @@ public final UnaryCallable<UpdateFlowRequest, Flow> updateFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   flowsClient.trainFlowAsync(name).get();
@@ -735,6 +783,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   flowsClient.trainFlowAsync(name).get();
@@ -769,6 +819,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -804,6 +856,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(TrainFlowRequest requ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -839,6 +893,8 @@ public final OperationCallable<TrainFlowRequest, Empty, Struct> trainFlowOperati
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -862,6 +918,8 @@ public final UnaryCallable<TrainFlowRequest, Operation> trainFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ValidateFlowRequest request =
    *       ValidateFlowRequest.newBuilder()
@@ -887,6 +945,8 @@ public final FlowValidationResult validateFlow(ValidateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ValidateFlowRequest request =
    *       ValidateFlowRequest.newBuilder()
@@ -912,6 +972,8 @@ public final UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowValidationResultName name =
    *       FlowValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -940,6 +1002,8 @@ public final FlowValidationResult getFlowValidationResult(FlowValidationResultNa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name =
    *       FlowValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -966,6 +1030,8 @@ public final FlowValidationResult getFlowValidationResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowValidationResultRequest request =
    *       GetFlowValidationResultRequest.newBuilder()
@@ -994,6 +1060,8 @@ public final FlowValidationResult getFlowValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowValidationResultRequest request =
    *       GetFlowValidationResultRequest.newBuilder()
@@ -1032,6 +1100,8 @@ public final FlowValidationResult getFlowValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1067,6 +1137,8 @@ public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1102,6 +1174,8 @@ public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1135,6 +1209,8 @@ public final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
@@ -1172,6 +1248,8 @@ public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
@@ -1209,6 +1287,8 @@ public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
index a2f91736d..63b71b901 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of createFlow to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings.Builder flowsSettingsBuilder = FlowsSettings.newBuilder();
  * flowsSettingsBuilder
  *     .createFlowSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsClient.java
index 6f93919f1..585f02568 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (IntentsClient intentsClient = IntentsClient.create()) {
  *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
  *   Intent response = intentsClient.getIntent(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings intentsSettings =
  *     IntentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings intentsSettings = IntentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * IntentsClient intentsClient = IntentsClient.create(intentsSettings);
  * }</pre>
@@ -152,6 +158,8 @@ public IntentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Intent element : intentsClient.listIntents(parent).iterateAll()) {
@@ -179,6 +187,8 @@ public final ListIntentsPagedResponse listIntents(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Intent element : intentsClient.listIntents(parent).iterateAll()) {
@@ -203,6 +213,8 @@ public final ListIntentsPagedResponse listIntents(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -232,6 +244,8 @@ public final ListIntentsPagedResponse listIntents(ListIntentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -261,6 +275,8 @@ public final ListIntentsPagedResponse listIntents(ListIntentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -296,6 +312,8 @@ public final UnaryCallable<ListIntentsRequest, ListIntentsResponse> listIntentsC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
    *   Intent response = intentsClient.getIntent(name);
@@ -319,6 +337,8 @@ public final Intent getIntent(IntentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]").toString();
    *   Intent response = intentsClient.getIntent(name);
@@ -341,6 +361,8 @@ public final Intent getIntent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   GetIntentRequest request =
    *       GetIntentRequest.newBuilder()
@@ -365,6 +387,8 @@ public final Intent getIntent(GetIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   GetIntentRequest request =
    *       GetIntentRequest.newBuilder()
@@ -391,6 +415,8 @@ public final UnaryCallable<GetIntentRequest, Intent> getIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Intent intent = Intent.newBuilder().build();
@@ -422,6 +448,8 @@ public final Intent createIntent(AgentName parent, Intent intent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Intent intent = Intent.newBuilder().build();
@@ -450,6 +478,8 @@ public final Intent createIntent(String parent, Intent intent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   CreateIntentRequest request =
    *       CreateIntentRequest.newBuilder()
@@ -478,6 +508,8 @@ public final Intent createIntent(CreateIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   CreateIntentRequest request =
    *       CreateIntentRequest.newBuilder()
@@ -505,6 +537,8 @@ public final UnaryCallable<CreateIntentRequest, Intent> createIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   Intent intent = Intent.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -533,6 +567,8 @@ public final Intent updateIntent(Intent intent, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   UpdateIntentRequest request =
    *       UpdateIntentRequest.newBuilder()
@@ -561,6 +597,8 @@ public final Intent updateIntent(UpdateIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   UpdateIntentRequest request =
    *       UpdateIntentRequest.newBuilder()
@@ -588,6 +626,8 @@ public final UnaryCallable<UpdateIntentRequest, Intent> updateIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
    *   intentsClient.deleteIntent(name);
@@ -614,6 +654,8 @@ public final void deleteIntent(IntentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]").toString();
    *   intentsClient.deleteIntent(name);
@@ -639,6 +681,8 @@ public final void deleteIntent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   DeleteIntentRequest request =
    *       DeleteIntentRequest.newBuilder()
@@ -665,6 +709,8 @@ public final void deleteIntent(DeleteIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   DeleteIntentRequest request =
    *       DeleteIntentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsSettings.java
index 774c3ae62..e89000a95 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings.Builder intentsSettingsBuilder = IntentsSettings.newBuilder();
  * intentsSettingsBuilder
  *     .getIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesClient.java
index 20ada5ca2..4bac520a1 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (PagesClient pagesClient = PagesClient.create()) {
  *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
  *   Page response = pagesClient.getPage(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings pagesSettings =
  *     PagesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings pagesSettings = PagesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * PagesClient pagesClient = PagesClient.create(pagesSettings);
  * }</pre>
@@ -152,6 +158,8 @@ public PagesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   for (Page element : pagesClient.listPages(parent).iterateAll()) {
@@ -177,6 +185,8 @@ public final ListPagesPagedResponse listPages(FlowName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   for (Page element : pagesClient.listPages(parent).iterateAll()) {
@@ -201,6 +211,8 @@ public final ListPagesPagedResponse listPages(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -229,6 +241,8 @@ public final ListPagesPagedResponse listPages(ListPagesRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -256,6 +270,8 @@ public final UnaryCallable<ListPagesRequest, ListPagesPagedResponse> listPagesPa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -290,6 +306,8 @@ public final UnaryCallable<ListPagesRequest, ListPagesResponse> listPagesCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
    *   Page response = pagesClient.getPage(name);
@@ -314,6 +332,8 @@ public final Page getPage(PageName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String name =
    *       PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]").toString();
@@ -338,6 +358,8 @@ public final Page getPage(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   GetPageRequest request =
    *       GetPageRequest.newBuilder()
@@ -363,6 +385,8 @@ public final Page getPage(GetPageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   GetPageRequest request =
    *       GetPageRequest.newBuilder()
@@ -390,6 +414,8 @@ public final UnaryCallable<GetPageRequest, Page> getPageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Page page = Page.newBuilder().build();
@@ -421,6 +447,8 @@ public final Page createPage(FlowName parent, Page page) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Page page = Page.newBuilder().build();
@@ -449,6 +477,8 @@ public final Page createPage(String parent, Page page) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   CreatePageRequest request =
    *       CreatePageRequest.newBuilder()
@@ -477,6 +507,8 @@ public final Page createPage(CreatePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   CreatePageRequest request =
    *       CreatePageRequest.newBuilder()
@@ -504,6 +536,8 @@ public final UnaryCallable<CreatePageRequest, Page> createPageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   Page page = Page.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -532,6 +566,8 @@ public final Page updatePage(Page page, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   UpdatePageRequest request =
    *       UpdatePageRequest.newBuilder()
@@ -560,6 +596,8 @@ public final Page updatePage(UpdatePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   UpdatePageRequest request =
    *       UpdatePageRequest.newBuilder()
@@ -587,6 +625,8 @@ public final UnaryCallable<UpdatePageRequest, Page> updatePageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
    *   pagesClient.deletePage(name);
@@ -614,6 +654,8 @@ public final void deletePage(PageName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String name =
    *       PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]").toString();
@@ -641,6 +683,8 @@ public final void deletePage(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   DeletePageRequest request =
    *       DeletePageRequest.newBuilder()
@@ -669,6 +713,8 @@ public final void deletePage(DeletePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   DeletePageRequest request =
    *       DeletePageRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesSettings.java
index b725331c9..71468ae79 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/PagesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getPage to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings.Builder pagesSettingsBuilder = PagesSettings.newBuilder();
  * pagesSettingsBuilder
  *     .getPageSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClient.java
index 774f7cc7d..40636a958 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SecuritySettingsServiceClient securitySettingsServiceClient =
  *     SecuritySettingsServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -82,6 +84,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings securitySettingsServiceSettings =
  *     SecuritySettingsServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings securitySettingsServiceSettings =
  *     SecuritySettingsServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SecuritySettingsServiceClient securitySettingsServiceClient =
@@ -162,6 +168,8 @@ public SecuritySettingsServiceStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -194,6 +202,8 @@ public final SecuritySettings createSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -226,6 +236,8 @@ public final SecuritySettings createSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   CreateSecuritySettingsRequest request =
@@ -251,6 +263,8 @@ public final SecuritySettings createSecuritySettings(CreateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   CreateSecuritySettingsRequest request =
@@ -278,6 +292,8 @@ public final SecuritySettings createSecuritySettings(CreateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettingsName name =
@@ -306,6 +322,8 @@ public final SecuritySettings getSecuritySettings(SecuritySettingsName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String name =
@@ -332,6 +350,8 @@ public final SecuritySettings getSecuritySettings(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   GetSecuritySettingsRequest request =
@@ -359,6 +379,8 @@ public final SecuritySettings getSecuritySettings(GetSecuritySettingsRequest req
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   GetSecuritySettingsRequest request =
@@ -386,6 +408,8 @@ public final SecuritySettings getSecuritySettings(GetSecuritySettingsRequest req
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettings securitySettings = SecuritySettings.newBuilder().build();
@@ -418,6 +442,8 @@ public final SecuritySettings updateSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   UpdateSecuritySettingsRequest request =
@@ -443,6 +469,8 @@ public final SecuritySettings updateSecuritySettings(UpdateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   UpdateSecuritySettingsRequest request =
@@ -469,6 +497,8 @@ public final SecuritySettings updateSecuritySettings(UpdateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -498,6 +528,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(LocationName
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -525,6 +557,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(String paren
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -555,6 +589,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -584,6 +620,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -620,6 +658,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettingsName name =
@@ -649,6 +689,8 @@ public final void deleteSecuritySettings(SecuritySettingsName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String name =
@@ -676,6 +718,8 @@ public final void deleteSecuritySettings(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   DeleteSecuritySettingsRequest request =
@@ -702,6 +746,8 @@ public final void deleteSecuritySettings(DeleteSecuritySettingsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   DeleteSecuritySettingsRequest request =
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceSettings.java
index 1958da49c..d97fcfdb3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of createSecuritySettings to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings.Builder securitySettingsServiceSettingsBuilder =
  *     SecuritySettingsServiceSettings.newBuilder();
  * securitySettingsServiceSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClient.java
index 6ac803cb5..6eb7974b0 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
  *   SessionEntityTypeName name =
  *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -82,6 +84,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings sessionEntityTypesSettings =
  *     SessionEntityTypesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings sessionEntityTypesSettings =
  *     SessionEntityTypesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SessionEntityTypesClient sessionEntityTypesClient =
@@ -161,6 +167,8 @@ public SessionEntityTypesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionName parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -194,6 +202,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(SessionN
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -226,6 +236,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(String p
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -258,6 +270,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -289,6 +303,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -327,6 +343,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityTypeName name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -358,6 +376,8 @@ public final SessionEntityType getSessionEntityType(SessionEntityTypeName name)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -388,6 +408,8 @@ public final SessionEntityType getSessionEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   GetSessionEntityTypeRequest request =
    *       GetSessionEntityTypeRequest.newBuilder()
@@ -414,6 +436,8 @@ public final SessionEntityType getSessionEntityType(GetSessionEntityTypeRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   GetSessionEntityTypeRequest request =
    *       GetSessionEntityTypeRequest.newBuilder()
@@ -441,6 +465,8 @@ public final SessionEntityType getSessionEntityType(GetSessionEntityTypeRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionName parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -476,6 +502,8 @@ public final SessionEntityType createSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -512,6 +540,8 @@ public final SessionEntityType createSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   CreateSessionEntityTypeRequest request =
    *       CreateSessionEntityTypeRequest.newBuilder()
@@ -539,6 +569,8 @@ public final SessionEntityType createSessionEntityType(CreateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   CreateSessionEntityTypeRequest request =
    *       CreateSessionEntityTypeRequest.newBuilder()
@@ -567,6 +599,8 @@ public final SessionEntityType createSessionEntityType(CreateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityType sessionEntityType = SessionEntityType.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -602,6 +636,8 @@ public final SessionEntityType updateSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   UpdateSessionEntityTypeRequest request =
    *       UpdateSessionEntityTypeRequest.newBuilder()
@@ -626,6 +662,8 @@ public final SessionEntityType updateSessionEntityType(UpdateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   UpdateSessionEntityTypeRequest request =
    *       UpdateSessionEntityTypeRequest.newBuilder()
@@ -651,6 +689,8 @@ public final SessionEntityType updateSessionEntityType(UpdateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityTypeName name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -683,6 +723,8 @@ public final void deleteSessionEntityType(SessionEntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -714,6 +756,8 @@ public final void deleteSessionEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   DeleteSessionEntityTypeRequest request =
    *       DeleteSessionEntityTypeRequest.newBuilder()
@@ -740,6 +784,8 @@ public final void deleteSessionEntityType(DeleteSessionEntityTypeRequest request
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   DeleteSessionEntityTypeRequest request =
    *       DeleteSessionEntityTypeRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesSettings.java
index a78c107d0..14f767ec3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getSessionEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings.Builder sessionEntityTypesSettingsBuilder =
  *     SessionEntityTypesSettings.newBuilder();
  * sessionEntityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsClient.java
index fe3b89a47..7a1253482 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,6 +36,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionsClient sessionsClient = SessionsClient.create()) {
  *   DetectIntentRequest request =
  *       DetectIntentRequest.newBuilder()
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings sessionsSettings =
  *     SessionsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings sessionsSettings =
  *     SessionsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SessionsClient sessionsClient = SessionsClient.create(sessionsSettings);
@@ -160,6 +166,8 @@ public SessionsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   DetectIntentRequest request =
    *       DetectIntentRequest.newBuilder()
@@ -194,6 +202,8 @@ public final DetectIntentResponse detectIntent(DetectIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   DetectIntentRequest request =
    *       DetectIntentRequest.newBuilder()
@@ -228,6 +238,8 @@ public final UnaryCallable<DetectIntentRequest, DetectIntentResponse> detectInte
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   BidiStream<StreamingDetectIntentRequest, StreamingDetectIntentResponse> bidiStream =
    *       sessionsClient.streamingDetectIntentCallable().call();
@@ -261,6 +273,8 @@ public final UnaryCallable<DetectIntentRequest, DetectIntentResponse> detectInte
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   MatchIntentRequest request =
    *       MatchIntentRequest.newBuilder()
@@ -289,6 +303,8 @@ public final MatchIntentResponse matchIntent(MatchIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   MatchIntentRequest request =
    *       MatchIntentRequest.newBuilder()
@@ -321,6 +337,8 @@ public final UnaryCallable<MatchIntentRequest, MatchIntentResponse> matchIntentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   FulfillIntentRequest request =
    *       FulfillIntentRequest.newBuilder()
@@ -350,6 +368,8 @@ public final FulfillIntentResponse fulfillIntent(FulfillIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   FulfillIntentRequest request =
    *       FulfillIntentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsSettings.java
index fe689bc75..c14901228 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,6 +50,8 @@
  * <p>For example, to set the total timeout of detectIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings.Builder sessionsSettingsBuilder = SessionsSettings.newBuilder();
  * sessionsSettingsBuilder
  *     .detectIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesClient.java
index 921758491..c3bf45dd3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   testCasesClient.batchDeleteTestCases(parent);
@@ -83,6 +85,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings testCasesSettings =
  *     TestCasesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings testCasesSettings =
  *     TestCasesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * TestCasesClient testCasesClient = TestCasesClient.create(testCasesSettings);
@@ -169,6 +175,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (TestCase element : testCasesClient.listTestCases(parent).iterateAll()) {
@@ -196,6 +204,8 @@ public final ListTestCasesPagedResponse listTestCases(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (TestCase element : testCasesClient.listTestCases(parent).iterateAll()) {
@@ -220,6 +230,8 @@ public final ListTestCasesPagedResponse listTestCases(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -247,6 +259,8 @@ public final ListTestCasesPagedResponse listTestCases(ListTestCasesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -274,6 +288,8 @@ public final ListTestCasesPagedResponse listTestCases(ListTestCasesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -307,6 +323,8 @@ public final UnaryCallable<ListTestCasesRequest, ListTestCasesResponse> listTest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   testCasesClient.batchDeleteTestCases(parent);
@@ -332,6 +350,8 @@ public final void batchDeleteTestCases(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   testCasesClient.batchDeleteTestCases(parent);
@@ -355,6 +375,8 @@ public final void batchDeleteTestCases(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchDeleteTestCasesRequest request =
    *       BatchDeleteTestCasesRequest.newBuilder()
@@ -379,6 +401,8 @@ public final void batchDeleteTestCases(BatchDeleteTestCasesRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchDeleteTestCasesRequest request =
    *       BatchDeleteTestCasesRequest.newBuilder()
@@ -402,6 +426,8 @@ public final UnaryCallable<BatchDeleteTestCasesRequest, Empty> batchDeleteTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseName name = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]");
    *   TestCase response = testCasesClient.getTestCase(name);
@@ -426,6 +452,8 @@ public final TestCase getTestCase(TestCaseName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String name = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]").toString();
    *   TestCase response = testCasesClient.getTestCase(name);
@@ -449,6 +477,8 @@ public final TestCase getTestCase(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseRequest request =
    *       GetTestCaseRequest.newBuilder()
@@ -473,6 +503,8 @@ public final TestCase getTestCase(GetTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseRequest request =
    *       GetTestCaseRequest.newBuilder()
@@ -496,6 +528,8 @@ public final UnaryCallable<GetTestCaseRequest, TestCase> getTestCaseCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   TestCase testCase = TestCase.newBuilder().build();
@@ -524,6 +558,8 @@ public final TestCase createTestCase(AgentName parent, TestCase testCase) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   TestCase testCase = TestCase.newBuilder().build();
@@ -549,6 +585,8 @@ public final TestCase createTestCase(String parent, TestCase testCase) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CreateTestCaseRequest request =
    *       CreateTestCaseRequest.newBuilder()
@@ -573,6 +611,8 @@ public final TestCase createTestCase(CreateTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CreateTestCaseRequest request =
    *       CreateTestCaseRequest.newBuilder()
@@ -596,6 +636,8 @@ public final UnaryCallable<CreateTestCaseRequest, TestCase> createTestCaseCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCase testCase = TestCase.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -623,6 +665,8 @@ public final TestCase updateTestCase(TestCase testCase, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   UpdateTestCaseRequest request =
    *       UpdateTestCaseRequest.newBuilder()
@@ -647,6 +691,8 @@ public final TestCase updateTestCase(UpdateTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   UpdateTestCaseRequest request =
    *       UpdateTestCaseRequest.newBuilder()
@@ -677,6 +723,8 @@ public final UnaryCallable<UpdateTestCaseRequest, TestCase> updateTestCaseCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -712,6 +760,8 @@ public final OperationFuture<RunTestCaseResponse, RunTestCaseMetadata> runTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -747,6 +797,8 @@ public final OperationFuture<RunTestCaseResponse, RunTestCaseMetadata> runTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -782,6 +834,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -819,6 +873,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -857,6 +913,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -883,6 +941,8 @@ public final UnaryCallable<BatchRunTestCasesRequest, Operation> batchRunTestCase
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CalculateCoverageRequest request =
    *       CalculateCoverageRequest.newBuilder()
@@ -906,6 +966,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CalculateCoverageRequest request =
    *       CalculateCoverageRequest.newBuilder()
@@ -940,6 +1002,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -974,6 +1038,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -1009,6 +1075,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -1040,6 +1108,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1074,6 +1144,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1109,6 +1181,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1132,6 +1206,8 @@ public final UnaryCallable<ExportTestCasesRequest, Operation> exportTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseName parent = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]");
    *   for (TestCaseResult element : testCasesClient.listTestCaseResults(parent).iterateAll()) {
@@ -1161,6 +1237,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(TestCaseName p
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent =
    *       TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]").toString();
@@ -1189,6 +1267,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(String parent)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1219,6 +1299,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1249,6 +1331,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1286,6 +1370,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseResultName name =
    *       TestCaseResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]", "[RESULT]");
@@ -1313,6 +1399,8 @@ public final TestCaseResult getTestCaseResult(TestCaseResultName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String name =
    *       TestCaseResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]", "[RESULT]")
@@ -1338,6 +1426,8 @@ public final TestCaseResult getTestCaseResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseResultRequest request =
    *       GetTestCaseResultRequest.newBuilder()
@@ -1364,6 +1454,8 @@ public final TestCaseResult getTestCaseResult(GetTestCaseResultRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseResultRequest request =
    *       GetTestCaseResultRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesSettings.java
index eb78dce68..43fe0a957 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCasesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of batchDeleteTestCases to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings.Builder testCasesSettingsBuilder = TestCasesSettings.newBuilder();
  * testCasesSettingsBuilder
  *     .batchDeleteTestCasesSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClient.java
index c80d10407..16f7d5e1b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
  *     TransitionRouteGroupsClient.create()) {
  *   TransitionRouteGroupName name =
@@ -83,6 +85,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings transitionRouteGroupsSettings =
  *     TransitionRouteGroupsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings transitionRouteGroupsSettings =
  *     TransitionRouteGroupsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * TransitionRouteGroupsClient transitionRouteGroupsClient =
@@ -162,6 +168,8 @@ public TransitionRouteGroupsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -192,6 +200,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(Fl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -220,6 +230,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(St
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -251,6 +263,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -282,6 +296,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -320,6 +336,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroupName name =
@@ -351,6 +369,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(TransitionRouteGroupNa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String name =
@@ -381,6 +401,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   GetTransitionRouteGroupRequest request =
@@ -415,6 +437,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   GetTransitionRouteGroupRequest request =
@@ -452,6 +476,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -489,6 +515,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -526,6 +554,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   CreateTransitionRouteGroupRequest request =
@@ -558,6 +588,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   CreateTransitionRouteGroupRequest request =
@@ -589,6 +621,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroup transitionRouteGroup = TransitionRouteGroup.newBuilder().build();
@@ -623,6 +657,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   UpdateTransitionRouteGroupRequest request =
@@ -655,6 +691,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   UpdateTransitionRouteGroupRequest request =
@@ -686,6 +724,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroupName name =
@@ -720,6 +760,8 @@ public final void deleteTransitionRouteGroup(TransitionRouteGroupName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String name =
@@ -753,6 +795,8 @@ public final void deleteTransitionRouteGroup(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   DeleteTransitionRouteGroupRequest request =
@@ -789,6 +833,8 @@ public final void deleteTransitionRouteGroup(DeleteTransitionRouteGroupRequest r
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   DeleteTransitionRouteGroupRequest request =
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsSettings.java
index 18adc189a..57ac053cc 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getTransitionRouteGroup to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings.Builder transitionRouteGroupsSettingsBuilder =
  *     TransitionRouteGroupsSettings.newBuilder();
  * transitionRouteGroupsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
index f653517ac..d9fed54fa 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (VersionsClient versionsClient = VersionsClient.create()) {
  *   VersionName name =
  *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -84,6 +86,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings versionsSettings =
  *     VersionsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings versionsSettings =
  *     VersionsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * VersionsClient versionsClient = VersionsClient.create(versionsSettings);
@@ -170,6 +176,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   for (Version element : versionsClient.listVersions(parent).iterateAll()) {
@@ -198,6 +206,8 @@ public final ListVersionsPagedResponse listVersions(FlowName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   for (Version element : versionsClient.listVersions(parent).iterateAll()) {
@@ -223,6 +233,8 @@ public final ListVersionsPagedResponse listVersions(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -250,6 +262,8 @@ public final ListVersionsPagedResponse listVersions(ListVersionsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -277,6 +291,8 @@ public final ListVersionsPagedResponse listVersions(ListVersionsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -310,6 +326,8 @@ public final UnaryCallable<ListVersionsRequest, ListVersionsResponse> listVersio
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -335,6 +353,8 @@ public final Version getVersion(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -359,6 +379,8 @@ public final Version getVersion(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   GetVersionRequest request =
    *       GetVersionRequest.newBuilder()
@@ -384,6 +406,8 @@ public final Version getVersion(GetVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   GetVersionRequest request =
    *       GetVersionRequest.newBuilder()
@@ -417,6 +441,8 @@ public final UnaryCallable<GetVersionRequest, Version> getVersionCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Version version = Version.newBuilder().build();
@@ -456,6 +482,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Version version = Version.newBuilder().build();
@@ -492,6 +520,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -526,6 +556,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -560,6 +592,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -583,6 +617,8 @@ public final UnaryCallable<CreateVersionRequest, Operation> createVersionCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   Version version = Version.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -608,6 +644,8 @@ public final Version updateVersion(Version version, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   UpdateVersionRequest request =
    *       UpdateVersionRequest.newBuilder()
@@ -632,6 +670,8 @@ public final Version updateVersion(UpdateVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   UpdateVersionRequest request =
    *       UpdateVersionRequest.newBuilder()
@@ -655,6 +695,8 @@ public final UnaryCallable<UpdateVersionRequest, Version> updateVersionCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -680,6 +722,8 @@ public final void deleteVersion(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -704,6 +748,8 @@ public final void deleteVersion(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   DeleteVersionRequest request =
    *       DeleteVersionRequest.newBuilder()
@@ -729,6 +775,8 @@ public final void deleteVersion(DeleteVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   DeleteVersionRequest request =
    *       DeleteVersionRequest.newBuilder()
@@ -762,6 +810,8 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -796,6 +846,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -829,6 +881,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -864,6 +918,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(LoadVersionRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -899,6 +955,8 @@ public final OperationCallable<LoadVersionRequest, Empty, Struct> loadVersionOpe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -924,6 +982,8 @@ public final UnaryCallable<LoadVersionRequest, Operation> loadVersionCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName baseVersion =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -952,6 +1012,8 @@ public final CompareVersionsResponse compareVersions(VersionName baseVersion) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String baseVersion =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -978,6 +1040,8 @@ public final CompareVersionsResponse compareVersions(String baseVersion) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CompareVersionsRequest request =
    *       CompareVersionsRequest.newBuilder()
@@ -1007,6 +1071,8 @@ public final CompareVersionsResponse compareVersions(CompareVersionsRequest requ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CompareVersionsRequest request =
    *       CompareVersionsRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsSettings.java
index 8ec6fef26..18009228c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of getVersion to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings.Builder versionsSettingsBuilder = VersionsSettings.newBuilder();
  * versionsSettingsBuilder
  *     .getVersionSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksClient.java
index 94dd7e08c..e1e99bd30 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
  *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
  *   Webhook response = webhooksClient.getWebhook(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings webhooksSettings =
  *     WebhooksSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings webhooksSettings =
  *     WebhooksSettings.newBuilder().setEndpoint(myEndpoint).build();
  * WebhooksClient webhooksClient = WebhooksClient.create(webhooksSettings);
@@ -153,6 +159,8 @@ public WebhooksStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Webhook element : webhooksClient.listWebhooks(parent).iterateAll()) {
@@ -180,6 +188,8 @@ public final ListWebhooksPagedResponse listWebhooks(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Webhook element : webhooksClient.listWebhooks(parent).iterateAll()) {
@@ -204,6 +214,8 @@ public final ListWebhooksPagedResponse listWebhooks(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -231,6 +243,8 @@ public final ListWebhooksPagedResponse listWebhooks(ListWebhooksRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -258,6 +272,8 @@ public final ListWebhooksPagedResponse listWebhooks(ListWebhooksRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -291,6 +307,8 @@ public final UnaryCallable<ListWebhooksRequest, ListWebhooksResponse> listWebhoo
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
    *   Webhook response = webhooksClient.getWebhook(name);
@@ -314,6 +332,8 @@ public final Webhook getWebhook(WebhookName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]").toString();
    *   Webhook response = webhooksClient.getWebhook(name);
@@ -336,6 +356,8 @@ public final Webhook getWebhook(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   GetWebhookRequest request =
    *       GetWebhookRequest.newBuilder()
@@ -359,6 +381,8 @@ public final Webhook getWebhook(GetWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   GetWebhookRequest request =
    *       GetWebhookRequest.newBuilder()
@@ -381,6 +405,8 @@ public final UnaryCallable<GetWebhookRequest, Webhook> getWebhookCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Webhook webhook = Webhook.newBuilder().build();
@@ -409,6 +435,8 @@ public final Webhook createWebhook(AgentName parent, Webhook webhook) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Webhook webhook = Webhook.newBuilder().build();
@@ -434,6 +462,8 @@ public final Webhook createWebhook(String parent, Webhook webhook) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   CreateWebhookRequest request =
    *       CreateWebhookRequest.newBuilder()
@@ -458,6 +488,8 @@ public final Webhook createWebhook(CreateWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   CreateWebhookRequest request =
    *       CreateWebhookRequest.newBuilder()
@@ -481,6 +513,8 @@ public final UnaryCallable<CreateWebhookRequest, Webhook> createWebhookCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   Webhook webhook = Webhook.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -506,6 +540,8 @@ public final Webhook updateWebhook(Webhook webhook, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   UpdateWebhookRequest request =
    *       UpdateWebhookRequest.newBuilder()
@@ -530,6 +566,8 @@ public final Webhook updateWebhook(UpdateWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   UpdateWebhookRequest request =
    *       UpdateWebhookRequest.newBuilder()
@@ -553,6 +591,8 @@ public final UnaryCallable<UpdateWebhookRequest, Webhook> updateWebhookCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
    *   webhooksClient.deleteWebhook(name);
@@ -576,6 +616,8 @@ public final void deleteWebhook(WebhookName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]").toString();
    *   webhooksClient.deleteWebhook(name);
@@ -598,6 +640,8 @@ public final void deleteWebhook(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   DeleteWebhookRequest request =
    *       DeleteWebhookRequest.newBuilder()
@@ -622,6 +666,8 @@ public final void deleteWebhook(DeleteWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   DeleteWebhookRequest request =
    *       DeleteWebhookRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksSettings.java
index d34914325..e550b9bba 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhooksSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getWebhook to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings.Builder webhooksSettingsBuilder = WebhooksSettings.newBuilder();
  * webhooksSettingsBuilder
  *     .getWebhookSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/package-info.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/package-info.java
index 9a851728a..8a70b16c8 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/package-info.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,8 @@
  * <p>Sample for AgentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (AgentsClient agentsClient = AgentsClient.create()) {
  *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Agent response = agentsClient.getAgent(name);
@@ -40,6 +42,8 @@
  * <p>Sample for ChangelogsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
  *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
  *   Changelog response = changelogsClient.getChangelog(name);
@@ -54,6 +58,8 @@
  * <p>Sample for DeploymentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
  *   DeploymentName name =
  *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -69,6 +75,8 @@
  * <p>Sample for EntityTypesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
  *   EntityTypeName name =
  *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -84,6 +92,8 @@
  * <p>Sample for EnvironmentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
  *   EnvironmentName name =
  *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -99,6 +109,8 @@
  * <p>Sample for ExperimentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
  *   ExperimentName name =
  *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -113,6 +125,8 @@
  * <p>Sample for FlowsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (FlowsClient flowsClient = FlowsClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Flow flow = Flow.newBuilder().build();
@@ -127,6 +141,8 @@
  * <p>Sample for IntentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (IntentsClient intentsClient = IntentsClient.create()) {
  *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
  *   Intent response = intentsClient.getIntent(name);
@@ -140,6 +156,8 @@
  * <p>Sample for PagesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (PagesClient pagesClient = PagesClient.create()) {
  *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
  *   Page response = pagesClient.getPage(name);
@@ -153,6 +171,8 @@
  * <p>Sample for SecuritySettingsServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SecuritySettingsServiceClient securitySettingsServiceClient =
  *     SecuritySettingsServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -171,6 +191,8 @@
  * <p>Sample for SessionsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionsClient sessionsClient = SessionsClient.create()) {
  *   DetectIntentRequest request =
  *       DetectIntentRequest.newBuilder()
@@ -194,6 +216,8 @@
  * <p>Sample for SessionEntityTypesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
  *   SessionEntityTypeName name =
  *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -210,6 +234,8 @@
  * <p>Sample for TestCasesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   testCasesClient.batchDeleteTestCases(parent);
@@ -224,6 +250,8 @@
  * <p>Sample for TransitionRouteGroupsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
  *     TransitionRouteGroupsClient.create()) {
  *   TransitionRouteGroupName name =
@@ -240,6 +268,8 @@
  * <p>Sample for VersionsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (VersionsClient versionsClient = VersionsClient.create()) {
  *   VersionName name =
  *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -254,6 +284,8 @@
  * <p>Sample for WebhooksClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
  *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
  *   Webhook response = webhooksClient.getWebhook(name);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStub.java
index f2749ba7a..83dfa0f34 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStubSettings.java
index 61d886845..254bf7219 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/AgentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -87,6 +87,8 @@
  * <p>For example, to set the total timeout of getAgent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsStubSettings.Builder agentsSettingsBuilder = AgentsStubSettings.newBuilder();
  * agentsSettingsBuilder
  *     .getAgentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStub.java
index 83130880e..47119b314 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStubSettings.java
index e7dc4cb5c..691fdfa4e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ChangelogsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,6 +71,8 @@
  * <p>For example, to set the total timeout of getChangelog to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsStubSettings.Builder changelogsSettingsBuilder = ChangelogsStubSettings.newBuilder();
  * changelogsSettingsBuilder
  *     .getChangelogSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStub.java
index 935fec5fd..2b8de4374 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStubSettings.java
index a26bb0be3..ee25fbc3b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/DeploymentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,6 +71,8 @@
  * <p>For example, to set the total timeout of getDeployment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsStubSettings.Builder deploymentsSettingsBuilder =
  *     DeploymentsStubSettings.newBuilder();
  * deploymentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStub.java
index 83e3114ea..2b19aca2f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStubSettings.java
index 486179bee..ac68d6333 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EntityTypesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesStubSettings.Builder entityTypesSettingsBuilder =
  *     EntityTypesStubSettings.newBuilder();
  * entityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStub.java
index d3e5c5647..2e1e92751 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStubSettings.java
index 289216744..58e870104 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/EnvironmentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -94,6 +94,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsStubSettings.Builder environmentsSettingsBuilder =
  *     EnvironmentsStubSettings.newBuilder();
  * environmentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStub.java
index e28af2c36..778298b8b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStubSettings.java
index fc9e5e8ce..3de21bf2f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/ExperimentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,6 +77,8 @@
  * <p>For example, to set the total timeout of getExperiment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsStubSettings.Builder experimentsSettingsBuilder =
  *     ExperimentsStubSettings.newBuilder();
  * experimentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
index df49aab9b..4c1d56353 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
index 76848b5f6..a93323d2d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/FlowsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,6 +89,8 @@
  * <p>For example, to set the total timeout of createFlow to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsStubSettings.Builder flowsSettingsBuilder = FlowsStubSettings.newBuilder();
  * flowsSettingsBuilder
  *     .createFlowSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsCallableFactory.java
index b674c137c..e85803b16 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsStub.java
index f84612a0a..557d4dff8 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcAgentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsCallableFactory.java
index 24c6e8283..1283e1f82 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsStub.java
index f20e31dc6..c6770244b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcChangelogsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsCallableFactory.java
index 6b9ebcfa4..3fe403e73 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsStub.java
index d2f1a85aa..cafde38e3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcDeploymentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesCallableFactory.java
index dbc8cb071..d3ede03d4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesStub.java
index 45c2f7445..b2aaed10b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsCallableFactory.java
index b625c4247..05088966d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsStub.java
index 7e2b480df..afb17a7be 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcEnvironmentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsCallableFactory.java
index b77068760..c67743aa4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsStub.java
index dad9e7f3a..cf5458757 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcExperimentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsCallableFactory.java
index 184d70dfc..ee5378681 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
index 5b97125ff..6bc217b90 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcFlowsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsCallableFactory.java
index 86a2be485..b4dd59814 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsStub.java
index 1f94be8b6..8a145287c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcIntentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesCallableFactory.java
index e6773a03c..1bbaaeb6c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesStub.java
index e7e736bf8..966b8b519 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcPagesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceCallableFactory.java
index 5e35cd888..eb62e7c5a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceStub.java
index 4684e4620..779ca6255 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSecuritySettingsServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesCallableFactory.java
index d9d506945..34e0f4f97 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesStub.java
index 70aa6a739..72962137e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsCallableFactory.java
index 097097f8c..9db2dd7a0 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsStub.java
index bdb4c42cc..c5d04f516 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcSessionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesCallableFactory.java
index ad9e6bd4f..b839e9ba1 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesStub.java
index d61985db2..98ff18714 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTestCasesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsCallableFactory.java
index dc5cf91f4..52fa4c56a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsStub.java
index ecddbb790..433c89b13 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcTransitionRouteGroupsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsCallableFactory.java
index 22805e21a..5ff5358f1 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsStub.java
index 65cb8f53f..a6d09e43b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcVersionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksCallableFactory.java
index ba656fedd..fa352a14e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksStub.java
index 561949be8..9ffb92c86 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/GrpcWebhooksStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStub.java
index b8c14510b..dec029991 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStubSettings.java
index 217a6eacd..4996a6403 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/IntentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsStubSettings.Builder intentsSettingsBuilder = IntentsStubSettings.newBuilder();
  * intentsSettingsBuilder
  *     .getIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStub.java
index 70484cd83..b12ebe53e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStubSettings.java
index 6c876afcb..45ce88899 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/PagesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getPage to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesStubSettings.Builder pagesSettingsBuilder = PagesStubSettings.newBuilder();
  * pagesSettingsBuilder
  *     .getPageSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStub.java
index 975cc8bcc..4828bf0f6 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStubSettings.java
index d5acf3206..992e68667 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SecuritySettingsServiceStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of createSecuritySettings to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceStubSettings.Builder securitySettingsServiceSettingsBuilder =
  *     SecuritySettingsServiceStubSettings.newBuilder();
  * securitySettingsServiceSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStub.java
index 96054e83e..9316face9 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStubSettings.java
index 1f5f3bed5..621db5074 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionEntityTypesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getSessionEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesStubSettings.Builder sessionEntityTypesSettingsBuilder =
  *     SessionEntityTypesStubSettings.newBuilder();
  * sessionEntityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStub.java
index 223da4dc6..8c18d69b0 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStubSettings.java
index 69402c1bf..efd67da9f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/SessionsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,6 +67,8 @@
  * <p>For example, to set the total timeout of detectIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsStubSettings.Builder sessionsSettingsBuilder = SessionsStubSettings.newBuilder();
  * sessionsSettingsBuilder
  *     .detectIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStub.java
index f1a78fdc8..072d5648c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStubSettings.java
index a979d3048..786b953b6 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TestCasesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -99,6 +99,8 @@
  * <p>For example, to set the total timeout of batchDeleteTestCases to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesStubSettings.Builder testCasesSettingsBuilder = TestCasesStubSettings.newBuilder();
  * testCasesSettingsBuilder
  *     .batchDeleteTestCasesSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStub.java
index 0f6916ed5..e16181aae 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStubSettings.java
index 300891844..94b30274e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/TransitionRouteGroupsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getTransitionRouteGroup to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsStubSettings.Builder transitionRouteGroupsSettingsBuilder =
  *     TransitionRouteGroupsStubSettings.newBuilder();
  * transitionRouteGroupsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStub.java
index 380e60dfe..e50419727 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStubSettings.java
index 7842adf0c..ae0bcbf81 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/VersionsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,6 +85,8 @@
  * <p>For example, to set the total timeout of getVersion to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsStubSettings.Builder versionsSettingsBuilder = VersionsStubSettings.newBuilder();
  * versionsSettingsBuilder
  *     .getVersionSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStub.java
index 76684c523..be0bec193 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStubSettings.java
index 15261a315..72e342ef8 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/stub/WebhooksStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getWebhook to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksStubSettings.Builder webhooksSettingsBuilder = WebhooksStubSettings.newBuilder();
  * webhooksSettingsBuilder
  *     .getWebhookSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
index fce71f92e..95a752b1e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (AgentsClient agentsClient = AgentsClient.create()) {
  *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Agent response = agentsClient.getAgent(name);
@@ -83,6 +85,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings agentsSettings =
  *     AgentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings agentsSettings = AgentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * AgentsClient agentsClient = AgentsClient.create(agentsSettings);
  * }</pre>
@@ -169,6 +175,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   for (Agent element : agentsClient.listAgents(parent).iterateAll()) {
@@ -194,6 +202,8 @@ public final ListAgentsPagedResponse listAgents(LocationName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   for (Agent element : agentsClient.listAgents(parent).iterateAll()) {
@@ -218,6 +228,8 @@ public final ListAgentsPagedResponse listAgents(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -245,6 +257,8 @@ public final ListAgentsPagedResponse listAgents(ListAgentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -271,6 +285,8 @@ public final UnaryCallable<ListAgentsRequest, ListAgentsPagedResponse> listAgent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ListAgentsRequest request =
    *       ListAgentsRequest.newBuilder()
@@ -304,6 +320,8 @@ public final UnaryCallable<ListAgentsRequest, ListAgentsResponse> listAgentsCall
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Agent response = agentsClient.getAgent(name);
@@ -327,6 +345,8 @@ public final Agent getAgent(AgentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Agent response = agentsClient.getAgent(name);
@@ -349,6 +369,8 @@ public final Agent getAgent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentRequest request =
    *       GetAgentRequest.newBuilder()
@@ -372,6 +394,8 @@ public final Agent getAgent(GetAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentRequest request =
    *       GetAgentRequest.newBuilder()
@@ -397,6 +421,8 @@ public final UnaryCallable<GetAgentRequest, Agent> getAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    *   Agent agent = Agent.newBuilder().build();
@@ -428,6 +454,8 @@ public final Agent createAgent(LocationName parent, Agent agent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
    *   Agent agent = Agent.newBuilder().build();
@@ -456,6 +484,8 @@ public final Agent createAgent(String parent, Agent agent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   CreateAgentRequest request =
    *       CreateAgentRequest.newBuilder()
@@ -483,6 +513,8 @@ public final Agent createAgent(CreateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   CreateAgentRequest request =
    *       CreateAgentRequest.newBuilder()
@@ -509,6 +541,8 @@ public final UnaryCallable<CreateAgentRequest, Agent> createAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   Agent agent = Agent.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -537,6 +571,8 @@ public final Agent updateAgent(Agent agent, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   UpdateAgentRequest request =
    *       UpdateAgentRequest.newBuilder()
@@ -564,6 +600,8 @@ public final Agent updateAgent(UpdateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   UpdateAgentRequest request =
    *       UpdateAgentRequest.newBuilder()
@@ -587,6 +625,8 @@ public final UnaryCallable<UpdateAgentRequest, Agent> updateAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   agentsClient.deleteAgent(name);
@@ -610,6 +650,8 @@ public final void deleteAgent(AgentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   agentsClient.deleteAgent(name);
@@ -632,6 +674,8 @@ public final void deleteAgent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   DeleteAgentRequest request =
    *       DeleteAgentRequest.newBuilder()
@@ -655,6 +699,8 @@ public final void deleteAgent(DeleteAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   DeleteAgentRequest request =
    *       DeleteAgentRequest.newBuilder()
@@ -685,6 +731,8 @@ public final UnaryCallable<DeleteAgentRequest, Empty> deleteAgentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -721,6 +769,8 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -757,6 +807,8 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ExportAgentRequest request =
    *       ExportAgentRequest.newBuilder()
@@ -798,6 +850,8 @@ public final UnaryCallable<ExportAgentRequest, Operation> exportAgentCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -836,6 +890,8 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -875,6 +931,8 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   RestoreAgentRequest request =
    *       RestoreAgentRequest.newBuilder()
@@ -899,6 +957,8 @@ public final UnaryCallable<RestoreAgentRequest, Operation> restoreAgentCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ValidateAgentRequest request =
    *       ValidateAgentRequest.newBuilder()
@@ -925,6 +985,8 @@ public final AgentValidationResult validateAgent(ValidateAgentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   ValidateAgentRequest request =
    *       ValidateAgentRequest.newBuilder()
@@ -950,6 +1012,8 @@ public final UnaryCallable<ValidateAgentRequest, AgentValidationResult> validate
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   AgentValidationResultName name =
    *       AgentValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
@@ -977,6 +1041,8 @@ public final AgentValidationResult getAgentValidationResult(AgentValidationResul
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   String name = AgentValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   AgentValidationResult response = agentsClient.getAgentValidationResult(name);
@@ -1001,6 +1067,8 @@ public final AgentValidationResult getAgentValidationResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentValidationResultRequest request =
    *       GetAgentValidationResultRequest.newBuilder()
@@ -1028,6 +1096,8 @@ public final AgentValidationResult getAgentValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (AgentsClient agentsClient = AgentsClient.create()) {
    *   GetAgentValidationResultRequest request =
    *       GetAgentValidationResultRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsSettings.java
index c53fa6421..730740e1f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of getAgent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsSettings.Builder agentsSettingsBuilder = AgentsSettings.newBuilder();
  * agentsSettingsBuilder
  *     .getAgentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClient.java
index 883a6e937..cbae6f0a0 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,6 +42,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
  *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
  *   Changelog response = changelogsClient.getChangelog(name);
@@ -77,6 +79,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings changelogsSettings =
  *     ChangelogsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -87,6 +91,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings changelogsSettings =
  *     ChangelogsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ChangelogsClient changelogsClient = ChangelogsClient.create(changelogsSettings);
@@ -153,6 +159,8 @@ public ChangelogsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Changelog element : changelogsClient.listChangelogs(parent).iterateAll()) {
@@ -180,6 +188,8 @@ public final ListChangelogsPagedResponse listChangelogs(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Changelog element : changelogsClient.listChangelogs(parent).iterateAll()) {
@@ -204,6 +214,8 @@ public final ListChangelogsPagedResponse listChangelogs(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -232,6 +244,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -261,6 +275,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ListChangelogsRequest request =
    *       ListChangelogsRequest.newBuilder()
@@ -296,6 +312,8 @@ public final ListChangelogsPagedResponse listChangelogs(ListChangelogsRequest re
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
    *   Changelog response = changelogsClient.getChangelog(name);
@@ -320,6 +338,8 @@ public final Changelog getChangelog(ChangelogName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   String name =
    *       ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]").toString();
@@ -344,6 +364,8 @@ public final Changelog getChangelog(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   GetChangelogRequest request =
    *       GetChangelogRequest.newBuilder()
@@ -368,6 +390,8 @@ public final Changelog getChangelog(GetChangelogRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
    *   GetChangelogRequest request =
    *       GetChangelogRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsSettings.java
index 5ee2e6322..8459d0b87 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,8 @@
  * <p>For example, to set the total timeout of getChangelog to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsSettings.Builder changelogsSettingsBuilder = ChangelogsSettings.newBuilder();
  * changelogsSettingsBuilder
  *     .getChangelogSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClient.java
index 96f6ea918..97e8fa992 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,6 +42,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
  *   DeploymentName name =
  *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings deploymentsSettings =
  *     DeploymentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings deploymentsSettings =
  *     DeploymentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * DeploymentsClient deploymentsClient = DeploymentsClient.create(deploymentsSettings);
@@ -156,6 +162,8 @@ public DeploymentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -186,6 +194,8 @@ public final ListDeploymentsPagedResponse listDeployments(EnvironmentName parent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -213,6 +223,8 @@ public final ListDeploymentsPagedResponse listDeployments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -243,6 +255,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -274,6 +288,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   ListDeploymentsRequest request =
    *       ListDeploymentsRequest.newBuilder()
@@ -311,6 +327,8 @@ public final ListDeploymentsPagedResponse listDeployments(ListDeploymentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   DeploymentName name =
    *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -337,6 +355,8 @@ public final Deployment getDeployment(DeploymentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   String name =
    *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]")
@@ -363,6 +383,8 @@ public final Deployment getDeployment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   GetDeploymentRequest request =
    *       GetDeploymentRequest.newBuilder()
@@ -389,6 +411,8 @@ public final Deployment getDeployment(GetDeploymentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
    *   GetDeploymentRequest request =
    *       GetDeploymentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsSettings.java
index ab262b81d..666514546 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,8 @@
  * <p>For example, to set the total timeout of getDeployment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsSettings.Builder deploymentsSettingsBuilder = DeploymentsSettings.newBuilder();
  * deploymentsSettingsBuilder
  *     .getDeploymentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClient.java
index ab429db22..a4eafa4fd 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
  *   EntityTypeName name =
  *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings entityTypesSettings =
  *     EntityTypesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings entityTypesSettings =
  *     EntityTypesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * EntityTypesClient entityTypesClient = EntityTypesClient.create(entityTypesSettings);
@@ -157,6 +163,8 @@ public EntityTypesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (EntityType element : entityTypesClient.listEntityTypes(parent).iterateAll()) {
@@ -184,6 +192,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (EntityType element : entityTypesClient.listEntityTypes(parent).iterateAll()) {
@@ -208,6 +218,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -236,6 +248,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -265,6 +279,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   ListEntityTypesRequest request =
    *       ListEntityTypesRequest.newBuilder()
@@ -301,6 +317,8 @@ public final ListEntityTypesPagedResponse listEntityTypes(ListEntityTypesRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityTypeName name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -326,6 +344,8 @@ public final EntityType getEntityType(EntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]").toString();
@@ -350,6 +370,8 @@ public final EntityType getEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   GetEntityTypeRequest request =
    *       GetEntityTypeRequest.newBuilder()
@@ -376,6 +398,8 @@ public final EntityType getEntityType(GetEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   GetEntityTypeRequest request =
    *       GetEntityTypeRequest.newBuilder()
@@ -401,6 +425,8 @@ public final UnaryCallable<GetEntityTypeRequest, EntityType> getEntityTypeCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   EntityType entityType = EntityType.newBuilder().build();
@@ -429,6 +455,8 @@ public final EntityType createEntityType(AgentName parent, EntityType entityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   EntityType entityType = EntityType.newBuilder().build();
@@ -454,6 +482,8 @@ public final EntityType createEntityType(String parent, EntityType entityType) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   CreateEntityTypeRequest request =
    *       CreateEntityTypeRequest.newBuilder()
@@ -479,6 +509,8 @@ public final EntityType createEntityType(CreateEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   CreateEntityTypeRequest request =
    *       CreateEntityTypeRequest.newBuilder()
@@ -507,6 +539,8 @@ public final UnaryCallable<CreateEntityTypeRequest, EntityType> createEntityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityType entityType = EntityType.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -537,6 +571,8 @@ public final EntityType updateEntityType(EntityType entityType, FieldMask update
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   UpdateEntityTypeRequest request =
    *       UpdateEntityTypeRequest.newBuilder()
@@ -565,6 +601,8 @@ public final EntityType updateEntityType(UpdateEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   UpdateEntityTypeRequest request =
    *       UpdateEntityTypeRequest.newBuilder()
@@ -593,6 +631,8 @@ public final UnaryCallable<UpdateEntityTypeRequest, EntityType> updateEntityType
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   EntityTypeName name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -621,6 +661,8 @@ public final void deleteEntityType(EntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   String name =
    *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]").toString();
@@ -648,6 +690,8 @@ public final void deleteEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   DeleteEntityTypeRequest request =
    *       DeleteEntityTypeRequest.newBuilder()
@@ -677,6 +721,8 @@ public final void deleteEntityType(DeleteEntityTypeRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
    *   DeleteEntityTypeRequest request =
    *       DeleteEntityTypeRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesSettings.java
index b79a66567..57213f540 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesSettings.Builder entityTypesSettingsBuilder = EntityTypesSettings.newBuilder();
  * entityTypesSettingsBuilder
  *     .getEntityTypeSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClient.java
index 308a7d7f9..1a247608b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,6 +49,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
  *   EnvironmentName name =
  *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -85,6 +87,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings environmentsSettings =
  *     EnvironmentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -95,6 +99,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings environmentsSettings =
  *     EnvironmentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * EnvironmentsClient environmentsClient = EnvironmentsClient.create(environmentsSettings);
@@ -174,6 +180,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Environment element : environmentsClient.listEnvironments(parent).iterateAll()) {
@@ -203,6 +211,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Environment element : environmentsClient.listEnvironments(parent).iterateAll()) {
@@ -230,6 +240,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -258,6 +270,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -287,6 +301,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListEnvironmentsRequest request =
    *       ListEnvironmentsRequest.newBuilder()
@@ -322,6 +338,8 @@ public final ListEnvironmentsPagedResponse listEnvironments(ListEnvironmentsRequ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -348,6 +366,8 @@ public final Environment getEnvironment(EnvironmentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -373,6 +393,8 @@ public final Environment getEnvironment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -398,6 +420,8 @@ public final Environment getEnvironment(GetEnvironmentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -432,6 +456,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Environment environment = Environment.newBuilder().build();
@@ -471,6 +497,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Environment environment = Environment.newBuilder().build();
@@ -507,6 +535,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -541,6 +571,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -575,6 +607,8 @@ public final OperationFuture<Environment, Struct> createEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   CreateEnvironmentRequest request =
    *       CreateEnvironmentRequest.newBuilder()
@@ -607,6 +641,8 @@ public final UnaryCallable<CreateEnvironmentRequest, Operation> createEnvironmen
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   Environment environment = Environment.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -644,6 +680,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -677,6 +715,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -710,6 +750,8 @@ public final OperationFuture<Environment, Struct> updateEnvironmentAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   UpdateEnvironmentRequest request =
    *       UpdateEnvironmentRequest.newBuilder()
@@ -734,6 +776,8 @@ public final UnaryCallable<UpdateEnvironmentRequest, Operation> updateEnvironmen
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -762,6 +806,8 @@ public final void deleteEnvironment(EnvironmentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -787,6 +833,8 @@ public final void deleteEnvironment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder()
@@ -812,6 +860,8 @@ public final void deleteEnvironment(DeleteEnvironmentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeleteEnvironmentRequest request =
    *       DeleteEnvironmentRequest.newBuilder()
@@ -837,6 +887,8 @@ public final UnaryCallable<DeleteEnvironmentRequest, Empty> deleteEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -868,6 +920,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String name =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -896,6 +950,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(Stri
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -928,6 +984,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -959,6 +1017,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   LookupEnvironmentHistoryRequest request =
    *       LookupEnvironmentHistoryRequest.newBuilder()
@@ -1006,6 +1066,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1042,6 +1104,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1079,6 +1143,8 @@ public final LookupEnvironmentHistoryPagedResponse lookupEnvironmentHistory(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   RunContinuousTestRequest request =
    *       RunContinuousTestRequest.newBuilder()
@@ -1104,6 +1170,8 @@ public final UnaryCallable<RunContinuousTestRequest, Operation> runContinuousTes
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -1135,6 +1203,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -1163,6 +1233,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(St
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1194,6 +1266,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1225,6 +1299,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   ListContinuousTestResultsRequest request =
    *       ListContinuousTestResultsRequest.newBuilder()
@@ -1269,6 +1345,8 @@ public final ListContinuousTestResultsPagedResponse listContinuousTestResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
@@ -1305,6 +1383,8 @@ public final OperationFuture<DeployFlowResponse, DeployFlowMetadata> deployFlowA
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
@@ -1341,6 +1421,8 @@ public final OperationFuture<DeployFlowResponse, DeployFlowMetadata> deployFlowA
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
    *   DeployFlowRequest request =
    *       DeployFlowRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsSettings.java
index 649842fc2..6f5d0c4a4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,6 +58,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsSettings.Builder environmentsSettingsBuilder = EnvironmentsSettings.newBuilder();
  * environmentsSettingsBuilder
  *     .getEnvironmentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClient.java
index 379e905f0..c4b42b039 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
  *   ExperimentName name =
  *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings experimentsSettings =
  *     ExperimentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings experimentsSettings =
  *     ExperimentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * ExperimentsClient experimentsClient = ExperimentsClient.create(experimentsSettings);
@@ -158,6 +164,8 @@ public ExperimentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -188,6 +196,8 @@ public final ListExperimentsPagedResponse listExperiments(EnvironmentName parent
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -215,6 +225,8 @@ public final ListExperimentsPagedResponse listExperiments(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -245,6 +257,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -276,6 +290,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ListExperimentsRequest request =
    *       ListExperimentsRequest.newBuilder()
@@ -313,6 +329,8 @@ public final ListExperimentsPagedResponse listExperiments(ListExperimentsRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -339,6 +357,8 @@ public final Experiment getExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -365,6 +385,8 @@ public final Experiment getExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   GetExperimentRequest request =
    *       GetExperimentRequest.newBuilder()
@@ -391,6 +413,8 @@ public final Experiment getExperiment(GetExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   GetExperimentRequest request =
    *       GetExperimentRequest.newBuilder()
@@ -417,6 +441,8 @@ public final UnaryCallable<GetExperimentRequest, Experiment> getExperimentCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   EnvironmentName parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -449,6 +475,8 @@ public final Experiment createExperiment(EnvironmentName parent, Experiment expe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String parent =
    *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]").toString();
@@ -478,6 +506,8 @@ public final Experiment createExperiment(String parent, Experiment experiment) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   CreateExperimentRequest request =
    *       CreateExperimentRequest.newBuilder()
@@ -505,6 +535,8 @@ public final Experiment createExperiment(CreateExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   CreateExperimentRequest request =
    *       CreateExperimentRequest.newBuilder()
@@ -531,6 +563,8 @@ public final UnaryCallable<CreateExperimentRequest, Experiment> createExperiment
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   Experiment experiment = Experiment.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -558,6 +592,8 @@ public final Experiment updateExperiment(Experiment experiment, FieldMask update
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   UpdateExperimentRequest request =
    *       UpdateExperimentRequest.newBuilder()
@@ -582,6 +618,8 @@ public final Experiment updateExperiment(UpdateExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   UpdateExperimentRequest request =
    *       UpdateExperimentRequest.newBuilder()
@@ -606,6 +644,8 @@ public final UnaryCallable<UpdateExperimentRequest, Experiment> updateExperiment
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -632,6 +672,8 @@ public final void deleteExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -658,6 +700,8 @@ public final void deleteExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   DeleteExperimentRequest request =
    *       DeleteExperimentRequest.newBuilder()
@@ -684,6 +728,8 @@ public final void deleteExperiment(DeleteExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   DeleteExperimentRequest request =
    *       DeleteExperimentRequest.newBuilder()
@@ -710,6 +756,8 @@ public final UnaryCallable<DeleteExperimentRequest, Empty> deleteExperimentCalla
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -736,6 +784,8 @@ public final Experiment startExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -762,6 +812,8 @@ public final Experiment startExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StartExperimentRequest request =
    *       StartExperimentRequest.newBuilder()
@@ -789,6 +841,8 @@ public final Experiment startExperiment(StartExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StartExperimentRequest request =
    *       StartExperimentRequest.newBuilder()
@@ -816,6 +870,8 @@ public final UnaryCallable<StartExperimentRequest, Experiment> startExperimentCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   ExperimentName name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -842,6 +898,8 @@ public final Experiment stopExperiment(ExperimentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   String name =
    *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]")
@@ -868,6 +926,8 @@ public final Experiment stopExperiment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StopExperimentRequest request =
    *       StopExperimentRequest.newBuilder()
@@ -895,6 +955,8 @@ public final Experiment stopExperiment(StopExperimentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
    *   StopExperimentRequest request =
    *       StopExperimentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsSettings.java
index 794645e48..ec2575c3f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getExperiment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsSettings.Builder experimentsSettingsBuilder = ExperimentsSettings.newBuilder();
  * experimentsSettingsBuilder
  *     .getExperimentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
index e4e20ba6d..41b1b9f0c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (FlowsClient flowsClient = FlowsClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Flow flow = Flow.newBuilder().build();
@@ -84,6 +86,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings flowsSettings =
  *     FlowsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings flowsSettings = FlowsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * FlowsClient flowsClient = FlowsClient.create(flowsSettings);
  * }</pre>
@@ -173,6 +179,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Flow flow = Flow.newBuilder().build();
@@ -204,6 +212,8 @@ public final Flow createFlow(AgentName parent, Flow flow) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Flow flow = Flow.newBuilder().build();
@@ -232,6 +242,8 @@ public final Flow createFlow(String parent, Flow flow) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   CreateFlowRequest request =
    *       CreateFlowRequest.newBuilder()
@@ -260,6 +272,8 @@ public final Flow createFlow(CreateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   CreateFlowRequest request =
    *       CreateFlowRequest.newBuilder()
@@ -284,6 +298,8 @@ public final UnaryCallable<CreateFlowRequest, Flow> createFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   flowsClient.deleteFlow(name);
@@ -307,6 +323,8 @@ public final void deleteFlow(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   flowsClient.deleteFlow(name);
@@ -329,6 +347,8 @@ public final void deleteFlow(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   DeleteFlowRequest request =
    *       DeleteFlowRequest.newBuilder()
@@ -353,6 +373,8 @@ public final void deleteFlow(DeleteFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   DeleteFlowRequest request =
    *       DeleteFlowRequest.newBuilder()
@@ -376,6 +398,8 @@ public final UnaryCallable<DeleteFlowRequest, Empty> deleteFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Flow element : flowsClient.listFlows(parent).iterateAll()) {
@@ -401,6 +425,8 @@ public final ListFlowsPagedResponse listFlows(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Flow element : flowsClient.listFlows(parent).iterateAll()) {
@@ -425,6 +451,8 @@ public final ListFlowsPagedResponse listFlows(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -453,6 +481,8 @@ public final ListFlowsPagedResponse listFlows(ListFlowsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -480,6 +510,8 @@ public final UnaryCallable<ListFlowsRequest, ListFlowsPagedResponse> listFlowsPa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ListFlowsRequest request =
    *       ListFlowsRequest.newBuilder()
@@ -514,6 +546,8 @@ public final UnaryCallable<ListFlowsRequest, ListFlowsResponse> listFlowsCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Flow response = flowsClient.getFlow(name);
@@ -537,6 +571,8 @@ public final Flow getFlow(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Flow response = flowsClient.getFlow(name);
@@ -559,6 +595,8 @@ public final Flow getFlow(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowRequest request =
    *       GetFlowRequest.newBuilder()
@@ -583,6 +621,8 @@ public final Flow getFlow(GetFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowRequest request =
    *       GetFlowRequest.newBuilder()
@@ -609,6 +649,8 @@ public final UnaryCallable<GetFlowRequest, Flow> getFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   Flow flow = Flow.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -637,6 +679,8 @@ public final Flow updateFlow(Flow flow, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   UpdateFlowRequest request =
    *       UpdateFlowRequest.newBuilder()
@@ -665,6 +709,8 @@ public final Flow updateFlow(UpdateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   UpdateFlowRequest request =
    *       UpdateFlowRequest.newBuilder()
@@ -701,6 +747,8 @@ public final UnaryCallable<UpdateFlowRequest, Flow> updateFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowName name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   flowsClient.trainFlowAsync(name).get();
@@ -736,6 +784,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(FlowName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   flowsClient.trainFlowAsync(name).get();
@@ -770,6 +820,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -805,6 +857,8 @@ public final OperationFuture<Empty, Struct> trainFlowAsync(TrainFlowRequest requ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -840,6 +894,8 @@ public final OperationCallable<TrainFlowRequest, Empty, Struct> trainFlowOperati
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   TrainFlowRequest request =
    *       TrainFlowRequest.newBuilder()
@@ -863,6 +919,8 @@ public final UnaryCallable<TrainFlowRequest, Operation> trainFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ValidateFlowRequest request =
    *       ValidateFlowRequest.newBuilder()
@@ -888,6 +946,8 @@ public final FlowValidationResult validateFlow(ValidateFlowRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ValidateFlowRequest request =
    *       ValidateFlowRequest.newBuilder()
@@ -913,6 +973,8 @@ public final UnaryCallable<ValidateFlowRequest, FlowValidationResult> validateFl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   FlowValidationResultName name =
    *       FlowValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -941,6 +1003,8 @@ public final FlowValidationResult getFlowValidationResult(FlowValidationResultNa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   String name =
    *       FlowValidationResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -967,6 +1031,8 @@ public final FlowValidationResult getFlowValidationResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowValidationResultRequest request =
    *       GetFlowValidationResultRequest.newBuilder()
@@ -995,6 +1061,8 @@ public final FlowValidationResult getFlowValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   GetFlowValidationResultRequest request =
    *       GetFlowValidationResultRequest.newBuilder()
@@ -1033,6 +1101,8 @@ public final FlowValidationResult getFlowValidationResult(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1068,6 +1138,8 @@ public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1103,6 +1175,8 @@ public final OperationFuture<ImportFlowResponse, Struct> importFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ImportFlowRequest request =
    *       ImportFlowRequest.newBuilder()
@@ -1136,6 +1210,8 @@ public final UnaryCallable<ImportFlowRequest, Operation> importFlowCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
@@ -1173,6 +1249,8 @@ public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
@@ -1210,6 +1288,8 @@ public final OperationFuture<ExportFlowResponse, Struct> exportFlowAsync(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (FlowsClient flowsClient = FlowsClient.create()) {
    *   ExportFlowRequest request =
    *       ExportFlowRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
index fe95c06f3..2190d614a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of createFlow to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsSettings.Builder flowsSettingsBuilder = FlowsSettings.newBuilder();
  * flowsSettingsBuilder
  *     .createFlowSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClient.java
index ebb3eb03d..50403801d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (IntentsClient intentsClient = IntentsClient.create()) {
  *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
  *   Intent response = intentsClient.getIntent(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings intentsSettings =
  *     IntentsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings intentsSettings = IntentsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * IntentsClient intentsClient = IntentsClient.create(intentsSettings);
  * }</pre>
@@ -153,6 +159,8 @@ public IntentsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Intent element : intentsClient.listIntents(parent).iterateAll()) {
@@ -180,6 +188,8 @@ public final ListIntentsPagedResponse listIntents(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Intent element : intentsClient.listIntents(parent).iterateAll()) {
@@ -204,6 +214,8 @@ public final ListIntentsPagedResponse listIntents(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -233,6 +245,8 @@ public final ListIntentsPagedResponse listIntents(ListIntentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -262,6 +276,8 @@ public final ListIntentsPagedResponse listIntents(ListIntentsRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   ListIntentsRequest request =
    *       ListIntentsRequest.newBuilder()
@@ -297,6 +313,8 @@ public final UnaryCallable<ListIntentsRequest, ListIntentsResponse> listIntentsC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
    *   Intent response = intentsClient.getIntent(name);
@@ -320,6 +338,8 @@ public final Intent getIntent(IntentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]").toString();
    *   Intent response = intentsClient.getIntent(name);
@@ -342,6 +362,8 @@ public final Intent getIntent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   GetIntentRequest request =
    *       GetIntentRequest.newBuilder()
@@ -366,6 +388,8 @@ public final Intent getIntent(GetIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   GetIntentRequest request =
    *       GetIntentRequest.newBuilder()
@@ -392,6 +416,8 @@ public final UnaryCallable<GetIntentRequest, Intent> getIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Intent intent = Intent.newBuilder().build();
@@ -423,6 +449,8 @@ public final Intent createIntent(AgentName parent, Intent intent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Intent intent = Intent.newBuilder().build();
@@ -451,6 +479,8 @@ public final Intent createIntent(String parent, Intent intent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   CreateIntentRequest request =
    *       CreateIntentRequest.newBuilder()
@@ -479,6 +509,8 @@ public final Intent createIntent(CreateIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   CreateIntentRequest request =
    *       CreateIntentRequest.newBuilder()
@@ -506,6 +538,8 @@ public final UnaryCallable<CreateIntentRequest, Intent> createIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   Intent intent = Intent.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -534,6 +568,8 @@ public final Intent updateIntent(Intent intent, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   UpdateIntentRequest request =
    *       UpdateIntentRequest.newBuilder()
@@ -562,6 +598,8 @@ public final Intent updateIntent(UpdateIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   UpdateIntentRequest request =
    *       UpdateIntentRequest.newBuilder()
@@ -589,6 +627,8 @@ public final UnaryCallable<UpdateIntentRequest, Intent> updateIntentCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
    *   intentsClient.deleteIntent(name);
@@ -615,6 +655,8 @@ public final void deleteIntent(IntentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   String name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]").toString();
    *   intentsClient.deleteIntent(name);
@@ -640,6 +682,8 @@ public final void deleteIntent(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   DeleteIntentRequest request =
    *       DeleteIntentRequest.newBuilder()
@@ -666,6 +710,8 @@ public final void deleteIntent(DeleteIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (IntentsClient intentsClient = IntentsClient.create()) {
    *   DeleteIntentRequest request =
    *       DeleteIntentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsSettings.java
index e13ba05cb..2dc17b7b8 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsSettings.Builder intentsSettingsBuilder = IntentsSettings.newBuilder();
  * intentsSettingsBuilder
  *     .getIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClient.java
index d7a502179..02f906afc 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (PagesClient pagesClient = PagesClient.create()) {
  *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
  *   Page response = pagesClient.getPage(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings pagesSettings =
  *     PagesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings pagesSettings = PagesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * PagesClient pagesClient = PagesClient.create(pagesSettings);
  * }</pre>
@@ -153,6 +159,8 @@ public PagesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   for (Page element : pagesClient.listPages(parent).iterateAll()) {
@@ -178,6 +186,8 @@ public final ListPagesPagedResponse listPages(FlowName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   for (Page element : pagesClient.listPages(parent).iterateAll()) {
@@ -202,6 +212,8 @@ public final ListPagesPagedResponse listPages(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -230,6 +242,8 @@ public final ListPagesPagedResponse listPages(ListPagesRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -257,6 +271,8 @@ public final UnaryCallable<ListPagesRequest, ListPagesPagedResponse> listPagesPa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   ListPagesRequest request =
    *       ListPagesRequest.newBuilder()
@@ -291,6 +307,8 @@ public final UnaryCallable<ListPagesRequest, ListPagesResponse> listPagesCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
    *   Page response = pagesClient.getPage(name);
@@ -315,6 +333,8 @@ public final Page getPage(PageName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String name =
    *       PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]").toString();
@@ -339,6 +359,8 @@ public final Page getPage(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   GetPageRequest request =
    *       GetPageRequest.newBuilder()
@@ -364,6 +386,8 @@ public final Page getPage(GetPageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   GetPageRequest request =
    *       GetPageRequest.newBuilder()
@@ -388,6 +412,8 @@ public final UnaryCallable<GetPageRequest, Page> getPageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Page page = Page.newBuilder().build();
@@ -416,6 +442,8 @@ public final Page createPage(FlowName parent, Page page) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Page page = Page.newBuilder().build();
@@ -441,6 +469,8 @@ public final Page createPage(String parent, Page page) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   CreatePageRequest request =
    *       CreatePageRequest.newBuilder()
@@ -466,6 +496,8 @@ public final Page createPage(CreatePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   CreatePageRequest request =
    *       CreatePageRequest.newBuilder()
@@ -490,6 +522,8 @@ public final UnaryCallable<CreatePageRequest, Page> createPageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   Page page = Page.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -515,6 +549,8 @@ public final Page updatePage(Page page, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   UpdatePageRequest request =
    *       UpdatePageRequest.newBuilder()
@@ -540,6 +576,8 @@ public final Page updatePage(UpdatePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   UpdatePageRequest request =
    *       UpdatePageRequest.newBuilder()
@@ -564,6 +602,8 @@ public final UnaryCallable<UpdatePageRequest, Page> updatePageCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
    *   pagesClient.deletePage(name);
@@ -588,6 +628,8 @@ public final void deletePage(PageName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   String name =
    *       PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]").toString();
@@ -612,6 +654,8 @@ public final void deletePage(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   DeletePageRequest request =
    *       DeletePageRequest.newBuilder()
@@ -637,6 +681,8 @@ public final void deletePage(DeletePageRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (PagesClient pagesClient = PagesClient.create()) {
    *   DeletePageRequest request =
    *       DeletePageRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesSettings.java
index 45fa73b2c..1d977ba00 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PagesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getPage to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesSettings.Builder pagesSettingsBuilder = PagesSettings.newBuilder();
  * pagesSettingsBuilder
  *     .getPageSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClient.java
index 7212d8d42..6a4cb4614 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SecuritySettingsServiceClient securitySettingsServiceClient =
  *     SecuritySettingsServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -82,6 +84,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings securitySettingsServiceSettings =
  *     SecuritySettingsServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings securitySettingsServiceSettings =
  *     SecuritySettingsServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SecuritySettingsServiceClient securitySettingsServiceClient =
@@ -163,6 +169,8 @@ public SecuritySettingsServiceStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -195,6 +203,8 @@ public final SecuritySettings createSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -227,6 +237,8 @@ public final SecuritySettings createSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   CreateSecuritySettingsRequest request =
@@ -252,6 +264,8 @@ public final SecuritySettings createSecuritySettings(CreateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   CreateSecuritySettingsRequest request =
@@ -280,6 +294,8 @@ public final SecuritySettings createSecuritySettings(CreateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettingsName name =
@@ -309,6 +325,8 @@ public final SecuritySettings getSecuritySettings(SecuritySettingsName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String name =
@@ -336,6 +354,8 @@ public final SecuritySettings getSecuritySettings(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   GetSecuritySettingsRequest request =
@@ -364,6 +384,8 @@ public final SecuritySettings getSecuritySettings(GetSecuritySettingsRequest req
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   GetSecuritySettingsRequest request =
@@ -391,6 +413,8 @@ public final SecuritySettings getSecuritySettings(GetSecuritySettingsRequest req
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettings securitySettings = SecuritySettings.newBuilder().build();
@@ -423,6 +447,8 @@ public final SecuritySettings updateSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   UpdateSecuritySettingsRequest request =
@@ -448,6 +474,8 @@ public final SecuritySettings updateSecuritySettings(UpdateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   UpdateSecuritySettingsRequest request =
@@ -474,6 +502,8 @@ public final SecuritySettings updateSecuritySettings(UpdateSecuritySettingsReque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -503,6 +533,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(LocationName
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String parent = LocationName.of("[PROJECT]", "[LOCATION]").toString();
@@ -530,6 +562,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(String paren
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -560,6 +594,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -589,6 +625,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   ListSecuritySettingsRequest request =
@@ -625,6 +663,8 @@ public final ListSecuritySettingsPagedResponse listSecuritySettings(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   SecuritySettingsName name =
@@ -654,6 +694,8 @@ public final void deleteSecuritySettings(SecuritySettingsName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   String name =
@@ -681,6 +723,8 @@ public final void deleteSecuritySettings(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   DeleteSecuritySettingsRequest request =
@@ -707,6 +751,8 @@ public final void deleteSecuritySettings(DeleteSecuritySettingsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SecuritySettingsServiceClient securitySettingsServiceClient =
    *     SecuritySettingsServiceClient.create()) {
    *   DeleteSecuritySettingsRequest request =
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceSettings.java
index be741c4d3..138486e2d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of createSecuritySettings to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceSettings.Builder securitySettingsServiceSettingsBuilder =
  *     SecuritySettingsServiceSettings.newBuilder();
  * securitySettingsServiceSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClient.java
index 7c916cbb9..870456b31 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
  *   SessionEntityTypeName name =
  *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -82,6 +84,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings sessionEntityTypesSettings =
  *     SessionEntityTypesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -93,6 +97,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings sessionEntityTypesSettings =
  *     SessionEntityTypesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SessionEntityTypesClient sessionEntityTypesClient =
@@ -162,6 +168,8 @@ public SessionEntityTypesStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionName parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -195,6 +203,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(SessionN
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -227,6 +237,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(String p
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -259,6 +271,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -290,6 +304,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   ListSessionEntityTypesRequest request =
    *       ListSessionEntityTypesRequest.newBuilder()
@@ -328,6 +344,8 @@ public final ListSessionEntityTypesPagedResponse listSessionEntityTypes(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityTypeName name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -359,6 +377,8 @@ public final SessionEntityType getSessionEntityType(SessionEntityTypeName name)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -389,6 +409,8 @@ public final SessionEntityType getSessionEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   GetSessionEntityTypeRequest request =
    *       GetSessionEntityTypeRequest.newBuilder()
@@ -415,6 +437,8 @@ public final SessionEntityType getSessionEntityType(GetSessionEntityTypeRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   GetSessionEntityTypeRequest request =
    *       GetSessionEntityTypeRequest.newBuilder()
@@ -442,6 +466,8 @@ public final SessionEntityType getSessionEntityType(GetSessionEntityTypeRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionName parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -477,6 +503,8 @@ public final SessionEntityType createSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String parent =
    *       SessionName.ofProjectLocationAgentSessionName(
@@ -513,6 +541,8 @@ public final SessionEntityType createSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   CreateSessionEntityTypeRequest request =
    *       CreateSessionEntityTypeRequest.newBuilder()
@@ -540,6 +570,8 @@ public final SessionEntityType createSessionEntityType(CreateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   CreateSessionEntityTypeRequest request =
    *       CreateSessionEntityTypeRequest.newBuilder()
@@ -568,6 +600,8 @@ public final SessionEntityType createSessionEntityType(CreateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityType sessionEntityType = SessionEntityType.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -603,6 +637,8 @@ public final SessionEntityType updateSessionEntityType(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   UpdateSessionEntityTypeRequest request =
    *       UpdateSessionEntityTypeRequest.newBuilder()
@@ -627,6 +663,8 @@ public final SessionEntityType updateSessionEntityType(UpdateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   UpdateSessionEntityTypeRequest request =
    *       UpdateSessionEntityTypeRequest.newBuilder()
@@ -652,6 +690,8 @@ public final SessionEntityType updateSessionEntityType(UpdateSessionEntityTypeRe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   SessionEntityTypeName name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -684,6 +724,8 @@ public final void deleteSessionEntityType(SessionEntityTypeName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   String name =
    *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -715,6 +757,8 @@ public final void deleteSessionEntityType(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   DeleteSessionEntityTypeRequest request =
    *       DeleteSessionEntityTypeRequest.newBuilder()
@@ -741,6 +785,8 @@ public final void deleteSessionEntityType(DeleteSessionEntityTypeRequest request
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
    *   DeleteSessionEntityTypeRequest request =
    *       DeleteSessionEntityTypeRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesSettings.java
index 3cc13dd0e..9ed766465 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getSessionEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesSettings.Builder sessionEntityTypesSettingsBuilder =
  *     SessionEntityTypesSettings.newBuilder();
  * sessionEntityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClient.java
index 49d178e9d..77072c296 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,6 +36,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionsClient sessionsClient = SessionsClient.create()) {
  *   DetectIntentRequest request =
  *       DetectIntentRequest.newBuilder()
@@ -80,6 +82,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings sessionsSettings =
  *     SessionsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -90,6 +94,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings sessionsSettings =
  *     SessionsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * SessionsClient sessionsClient = SessionsClient.create(sessionsSettings);
@@ -161,6 +167,8 @@ public SessionsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   DetectIntentRequest request =
    *       DetectIntentRequest.newBuilder()
@@ -195,6 +203,8 @@ public final DetectIntentResponse detectIntent(DetectIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   DetectIntentRequest request =
    *       DetectIntentRequest.newBuilder()
@@ -229,6 +239,8 @@ public final UnaryCallable<DetectIntentRequest, DetectIntentResponse> detectInte
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   BidiStream<StreamingDetectIntentRequest, StreamingDetectIntentResponse> bidiStream =
    *       sessionsClient.streamingDetectIntentCallable().call();
@@ -262,6 +274,8 @@ public final UnaryCallable<DetectIntentRequest, DetectIntentResponse> detectInte
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   MatchIntentRequest request =
    *       MatchIntentRequest.newBuilder()
@@ -290,6 +304,8 @@ public final MatchIntentResponse matchIntent(MatchIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   MatchIntentRequest request =
    *       MatchIntentRequest.newBuilder()
@@ -322,6 +338,8 @@ public final UnaryCallable<MatchIntentRequest, MatchIntentResponse> matchIntentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   FulfillIntentRequest request =
    *       FulfillIntentRequest.newBuilder()
@@ -351,6 +369,8 @@ public final FulfillIntentResponse fulfillIntent(FulfillIntentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (SessionsClient sessionsClient = SessionsClient.create()) {
    *   FulfillIntentRequest request =
    *       FulfillIntentRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsSettings.java
index aef0b76cf..05ed159bf 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,6 +50,8 @@
  * <p>For example, to set the total timeout of detectIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsSettings.Builder sessionsSettingsBuilder = SessionsSettings.newBuilder();
  * sessionsSettingsBuilder
  *     .detectIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClient.java
index f8f8ef5be..c84051774 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,6 +49,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   testCasesClient.batchDeleteTestCases(parent);
@@ -84,6 +86,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings testCasesSettings =
  *     TestCasesSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings testCasesSettings =
  *     TestCasesSettings.newBuilder().setEndpoint(myEndpoint).build();
  * TestCasesClient testCasesClient = TestCasesClient.create(testCasesSettings);
@@ -171,6 +177,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (TestCase element : testCasesClient.listTestCases(parent).iterateAll()) {
@@ -198,6 +206,8 @@ public final ListTestCasesPagedResponse listTestCases(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (TestCase element : testCasesClient.listTestCases(parent).iterateAll()) {
@@ -222,6 +232,8 @@ public final ListTestCasesPagedResponse listTestCases(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -249,6 +261,8 @@ public final ListTestCasesPagedResponse listTestCases(ListTestCasesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -276,6 +290,8 @@ public final ListTestCasesPagedResponse listTestCases(ListTestCasesRequest reque
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCasesRequest request =
    *       ListTestCasesRequest.newBuilder()
@@ -309,6 +325,8 @@ public final UnaryCallable<ListTestCasesRequest, ListTestCasesResponse> listTest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   testCasesClient.batchDeleteTestCases(parent);
@@ -334,6 +352,8 @@ public final void batchDeleteTestCases(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   testCasesClient.batchDeleteTestCases(parent);
@@ -357,6 +377,8 @@ public final void batchDeleteTestCases(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchDeleteTestCasesRequest request =
    *       BatchDeleteTestCasesRequest.newBuilder()
@@ -381,6 +403,8 @@ public final void batchDeleteTestCases(BatchDeleteTestCasesRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchDeleteTestCasesRequest request =
    *       BatchDeleteTestCasesRequest.newBuilder()
@@ -404,6 +428,8 @@ public final UnaryCallable<BatchDeleteTestCasesRequest, Empty> batchDeleteTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseName name = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]");
    *   TestCase response = testCasesClient.getTestCase(name);
@@ -428,6 +454,8 @@ public final TestCase getTestCase(TestCaseName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String name = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]").toString();
    *   TestCase response = testCasesClient.getTestCase(name);
@@ -451,6 +479,8 @@ public final TestCase getTestCase(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseRequest request =
    *       GetTestCaseRequest.newBuilder()
@@ -475,6 +505,8 @@ public final TestCase getTestCase(GetTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseRequest request =
    *       GetTestCaseRequest.newBuilder()
@@ -498,6 +530,8 @@ public final UnaryCallable<GetTestCaseRequest, TestCase> getTestCaseCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   TestCase testCase = TestCase.newBuilder().build();
@@ -526,6 +560,8 @@ public final TestCase createTestCase(AgentName parent, TestCase testCase) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   TestCase testCase = TestCase.newBuilder().build();
@@ -551,6 +587,8 @@ public final TestCase createTestCase(String parent, TestCase testCase) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CreateTestCaseRequest request =
    *       CreateTestCaseRequest.newBuilder()
@@ -575,6 +613,8 @@ public final TestCase createTestCase(CreateTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CreateTestCaseRequest request =
    *       CreateTestCaseRequest.newBuilder()
@@ -598,6 +638,8 @@ public final UnaryCallable<CreateTestCaseRequest, TestCase> createTestCaseCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCase testCase = TestCase.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -625,6 +667,8 @@ public final TestCase updateTestCase(TestCase testCase, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   UpdateTestCaseRequest request =
    *       UpdateTestCaseRequest.newBuilder()
@@ -649,6 +693,8 @@ public final TestCase updateTestCase(UpdateTestCaseRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   UpdateTestCaseRequest request =
    *       UpdateTestCaseRequest.newBuilder()
@@ -679,6 +725,8 @@ public final UnaryCallable<UpdateTestCaseRequest, TestCase> updateTestCaseCallab
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -714,6 +762,8 @@ public final OperationFuture<RunTestCaseResponse, RunTestCaseMetadata> runTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -749,6 +799,8 @@ public final OperationFuture<RunTestCaseResponse, RunTestCaseMetadata> runTestCa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   RunTestCaseRequest request =
    *       RunTestCaseRequest.newBuilder()
@@ -784,6 +836,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -821,6 +875,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -859,6 +915,8 @@ public final UnaryCallable<RunTestCaseRequest, Operation> runTestCaseCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   BatchRunTestCasesRequest request =
    *       BatchRunTestCasesRequest.newBuilder()
@@ -885,6 +943,8 @@ public final UnaryCallable<BatchRunTestCasesRequest, Operation> batchRunTestCase
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CalculateCoverageRequest request =
    *       CalculateCoverageRequest.newBuilder()
@@ -908,6 +968,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   CalculateCoverageRequest request =
    *       CalculateCoverageRequest.newBuilder()
@@ -943,6 +1005,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -978,6 +1042,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -1014,6 +1080,8 @@ public final CalculateCoverageResponse calculateCoverage(CalculateCoverageReques
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ImportTestCasesRequest request =
    *       ImportTestCasesRequest.newBuilder()
@@ -1046,6 +1114,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1081,6 +1151,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1117,6 +1189,8 @@ public final UnaryCallable<ImportTestCasesRequest, Operation> importTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ExportTestCasesRequest request =
    *       ExportTestCasesRequest.newBuilder()
@@ -1140,6 +1214,8 @@ public final UnaryCallable<ExportTestCasesRequest, Operation> exportTestCasesCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseName parent = TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]");
    *   for (TestCaseResult element : testCasesClient.listTestCaseResults(parent).iterateAll()) {
@@ -1169,6 +1245,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(TestCaseName p
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String parent =
    *       TestCaseName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]").toString();
@@ -1197,6 +1275,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(String parent)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1227,6 +1307,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1257,6 +1339,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   ListTestCaseResultsRequest request =
    *       ListTestCaseResultsRequest.newBuilder()
@@ -1294,6 +1378,8 @@ public final ListTestCaseResultsPagedResponse listTestCaseResults(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   TestCaseResultName name =
    *       TestCaseResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]", "[RESULT]");
@@ -1321,6 +1407,8 @@ public final TestCaseResult getTestCaseResult(TestCaseResultName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   String name =
    *       TestCaseResultName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[TEST_CASE]", "[RESULT]")
@@ -1346,6 +1434,8 @@ public final TestCaseResult getTestCaseResult(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseResultRequest request =
    *       GetTestCaseResultRequest.newBuilder()
@@ -1372,6 +1462,8 @@ public final TestCaseResult getTestCaseResult(GetTestCaseResultRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
    *   GetTestCaseResultRequest request =
    *       GetTestCaseResultRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesSettings.java
index ca22eb5b6..c93157e51 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of batchDeleteTestCases to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesSettings.Builder testCasesSettingsBuilder = TestCasesSettings.newBuilder();
  * testCasesSettingsBuilder
  *     .batchDeleteTestCasesSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClient.java
index 92c539263..622e5577c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +44,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
  *     TransitionRouteGroupsClient.create()) {
  *   TransitionRouteGroupName name =
@@ -83,6 +85,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings transitionRouteGroupsSettings =
  *     TransitionRouteGroupsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings transitionRouteGroupsSettings =
  *     TransitionRouteGroupsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * TransitionRouteGroupsClient transitionRouteGroupsClient =
@@ -163,6 +169,8 @@ public TransitionRouteGroupsStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -193,6 +201,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(Fl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -221,6 +231,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(St
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -252,6 +264,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -283,6 +297,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   ListTransitionRouteGroupsRequest request =
@@ -321,6 +337,8 @@ public final ListTransitionRouteGroupsPagedResponse listTransitionRouteGroups(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroupName name =
@@ -352,6 +370,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(TransitionRouteGroupNa
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String name =
@@ -382,6 +402,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   GetTransitionRouteGroupRequest request =
@@ -416,6 +438,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   GetTransitionRouteGroupRequest request =
@@ -453,6 +477,8 @@ public final TransitionRouteGroup getTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
@@ -490,6 +516,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
@@ -527,6 +555,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   CreateTransitionRouteGroupRequest request =
@@ -559,6 +589,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   CreateTransitionRouteGroupRequest request =
@@ -590,6 +622,8 @@ public final TransitionRouteGroup createTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroup transitionRouteGroup = TransitionRouteGroup.newBuilder().build();
@@ -624,6 +658,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   UpdateTransitionRouteGroupRequest request =
@@ -656,6 +692,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   UpdateTransitionRouteGroupRequest request =
@@ -687,6 +725,8 @@ public final TransitionRouteGroup updateTransitionRouteGroup(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   TransitionRouteGroupName name =
@@ -721,6 +761,8 @@ public final void deleteTransitionRouteGroup(TransitionRouteGroupName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   String name =
@@ -754,6 +796,8 @@ public final void deleteTransitionRouteGroup(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   DeleteTransitionRouteGroupRequest request =
@@ -790,6 +834,8 @@ public final void deleteTransitionRouteGroup(DeleteTransitionRouteGroupRequest r
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
    *     TransitionRouteGroupsClient.create()) {
    *   DeleteTransitionRouteGroupRequest request =
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsSettings.java
index ddf37f71b..156a43fcd 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getTransitionRouteGroup to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsSettings.Builder transitionRouteGroupsSettingsBuilder =
  *     TransitionRouteGroupsSettings.newBuilder();
  * transitionRouteGroupsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
index 9b82260b5..8226481b1 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (VersionsClient versionsClient = VersionsClient.create()) {
  *   VersionName name =
  *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -84,6 +86,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings versionsSettings =
  *     VersionsSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -94,6 +98,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings versionsSettings =
  *     VersionsSettings.newBuilder().setEndpoint(myEndpoint).build();
  * VersionsClient versionsClient = VersionsClient.create(versionsSettings);
@@ -172,6 +178,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   for (Version element : versionsClient.listVersions(parent).iterateAll()) {
@@ -201,6 +209,8 @@ public final ListVersionsPagedResponse listVersions(FlowName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   for (Version element : versionsClient.listVersions(parent).iterateAll()) {
@@ -227,6 +237,8 @@ public final ListVersionsPagedResponse listVersions(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -255,6 +267,8 @@ public final ListVersionsPagedResponse listVersions(ListVersionsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -283,6 +297,8 @@ public final ListVersionsPagedResponse listVersions(ListVersionsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   ListVersionsRequest request =
    *       ListVersionsRequest.newBuilder()
@@ -316,6 +332,8 @@ public final UnaryCallable<ListVersionsRequest, ListVersionsResponse> listVersio
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -341,6 +359,8 @@ public final Version getVersion(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -365,6 +385,8 @@ public final Version getVersion(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   GetVersionRequest request =
    *       GetVersionRequest.newBuilder()
@@ -390,6 +412,8 @@ public final Version getVersion(GetVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   GetVersionRequest request =
    *       GetVersionRequest.newBuilder()
@@ -423,6 +447,8 @@ public final UnaryCallable<GetVersionRequest, Version> getVersionCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   FlowName parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]");
    *   Version version = Version.newBuilder().build();
@@ -462,6 +488,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String parent = FlowName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]").toString();
    *   Version version = Version.newBuilder().build();
@@ -498,6 +526,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -532,6 +562,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -566,6 +598,8 @@ public final OperationFuture<Version, CreateVersionOperationMetadata> createVers
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CreateVersionRequest request =
    *       CreateVersionRequest.newBuilder()
@@ -589,6 +623,8 @@ public final UnaryCallable<CreateVersionRequest, Operation> createVersionCallabl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   Version version = Version.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -614,6 +650,8 @@ public final Version updateVersion(Version version, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   UpdateVersionRequest request =
    *       UpdateVersionRequest.newBuilder()
@@ -638,6 +676,8 @@ public final Version updateVersion(UpdateVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   UpdateVersionRequest request =
    *       UpdateVersionRequest.newBuilder()
@@ -661,6 +701,8 @@ public final UnaryCallable<UpdateVersionRequest, Version> updateVersionCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -686,6 +728,8 @@ public final void deleteVersion(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -710,6 +754,8 @@ public final void deleteVersion(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   DeleteVersionRequest request =
    *       DeleteVersionRequest.newBuilder()
@@ -735,6 +781,8 @@ public final void deleteVersion(DeleteVersionRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   DeleteVersionRequest request =
    *       DeleteVersionRequest.newBuilder()
@@ -768,6 +816,8 @@ public final UnaryCallable<DeleteVersionRequest, Empty> deleteVersionCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -802,6 +852,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(VersionName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String name =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -835,6 +887,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -870,6 +924,8 @@ public final OperationFuture<Empty, Struct> loadVersionAsync(LoadVersionRequest
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -905,6 +961,8 @@ public final OperationCallable<LoadVersionRequest, Empty, Struct> loadVersionOpe
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   LoadVersionRequest request =
    *       LoadVersionRequest.newBuilder()
@@ -930,6 +988,8 @@ public final UnaryCallable<LoadVersionRequest, Operation> loadVersionCallable()
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   VersionName baseVersion =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -958,6 +1018,8 @@ public final CompareVersionsResponse compareVersions(VersionName baseVersion) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   String baseVersion =
    *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]").toString();
@@ -984,6 +1046,8 @@ public final CompareVersionsResponse compareVersions(String baseVersion) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CompareVersionsRequest request =
    *       CompareVersionsRequest.newBuilder()
@@ -1013,6 +1077,8 @@ public final CompareVersionsResponse compareVersions(CompareVersionsRequest requ
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (VersionsClient versionsClient = VersionsClient.create()) {
    *   CompareVersionsRequest request =
    *       CompareVersionsRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsSettings.java
index 387b60997..ec11a2f19 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
  * <p>For example, to set the total timeout of getVersion to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsSettings.Builder versionsSettingsBuilder = VersionsSettings.newBuilder();
  * versionsSettingsBuilder
  *     .getVersionSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClient.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClient.java
index fc463713e..8f62b0c53 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClient.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
  *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
  *   Webhook response = webhooksClient.getWebhook(name);
@@ -78,6 +80,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings webhooksSettings =
  *     WebhooksSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings webhooksSettings =
  *     WebhooksSettings.newBuilder().setEndpoint(myEndpoint).build();
  * WebhooksClient webhooksClient = WebhooksClient.create(webhooksSettings);
@@ -154,6 +160,8 @@ public WebhooksStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   for (Webhook element : webhooksClient.listWebhooks(parent).iterateAll()) {
@@ -181,6 +189,8 @@ public final ListWebhooksPagedResponse listWebhooks(AgentName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   for (Webhook element : webhooksClient.listWebhooks(parent).iterateAll()) {
@@ -205,6 +215,8 @@ public final ListWebhooksPagedResponse listWebhooks(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -232,6 +244,8 @@ public final ListWebhooksPagedResponse listWebhooks(ListWebhooksRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -259,6 +273,8 @@ public final ListWebhooksPagedResponse listWebhooks(ListWebhooksRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   ListWebhooksRequest request =
    *       ListWebhooksRequest.newBuilder()
@@ -292,6 +308,8 @@ public final UnaryCallable<ListWebhooksRequest, ListWebhooksResponse> listWebhoo
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
    *   Webhook response = webhooksClient.getWebhook(name);
@@ -315,6 +333,8 @@ public final Webhook getWebhook(WebhookName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]").toString();
    *   Webhook response = webhooksClient.getWebhook(name);
@@ -337,6 +357,8 @@ public final Webhook getWebhook(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   GetWebhookRequest request =
    *       GetWebhookRequest.newBuilder()
@@ -360,6 +382,8 @@ public final Webhook getWebhook(GetWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   GetWebhookRequest request =
    *       GetWebhookRequest.newBuilder()
@@ -382,6 +406,8 @@ public final UnaryCallable<GetWebhookRequest, Webhook> getWebhookCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
    *   Webhook webhook = Webhook.newBuilder().build();
@@ -410,6 +436,8 @@ public final Webhook createWebhook(AgentName parent, Webhook webhook) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]").toString();
    *   Webhook webhook = Webhook.newBuilder().build();
@@ -435,6 +463,8 @@ public final Webhook createWebhook(String parent, Webhook webhook) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   CreateWebhookRequest request =
    *       CreateWebhookRequest.newBuilder()
@@ -459,6 +489,8 @@ public final Webhook createWebhook(CreateWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   CreateWebhookRequest request =
    *       CreateWebhookRequest.newBuilder()
@@ -482,6 +514,8 @@ public final UnaryCallable<CreateWebhookRequest, Webhook> createWebhookCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   Webhook webhook = Webhook.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -507,6 +541,8 @@ public final Webhook updateWebhook(Webhook webhook, FieldMask updateMask) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   UpdateWebhookRequest request =
    *       UpdateWebhookRequest.newBuilder()
@@ -531,6 +567,8 @@ public final Webhook updateWebhook(UpdateWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   UpdateWebhookRequest request =
    *       UpdateWebhookRequest.newBuilder()
@@ -554,6 +592,8 @@ public final UnaryCallable<UpdateWebhookRequest, Webhook> updateWebhookCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
    *   webhooksClient.deleteWebhook(name);
@@ -577,6 +617,8 @@ public final void deleteWebhook(WebhookName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   String name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]").toString();
    *   webhooksClient.deleteWebhook(name);
@@ -599,6 +641,8 @@ public final void deleteWebhook(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   DeleteWebhookRequest request =
    *       DeleteWebhookRequest.newBuilder()
@@ -623,6 +667,8 @@ public final void deleteWebhook(DeleteWebhookRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
    *   DeleteWebhookRequest request =
    *       DeleteWebhookRequest.newBuilder()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksSettings.java
index c469b3ac1..4283f224c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,6 +53,8 @@
  * <p>For example, to set the total timeout of getWebhook to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksSettings.Builder webhooksSettingsBuilder = WebhooksSettings.newBuilder();
  * webhooksSettingsBuilder
  *     .getWebhookSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/package-info.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/package-info.java
index fd53dd24a..604a75e7f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/package-info.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,8 @@
  * <p>Sample for AgentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (AgentsClient agentsClient = AgentsClient.create()) {
  *   AgentName name = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Agent response = agentsClient.getAgent(name);
@@ -40,6 +42,8 @@
  * <p>Sample for ChangelogsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ChangelogsClient changelogsClient = ChangelogsClient.create()) {
  *   ChangelogName name = ChangelogName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[CHANGELOG]");
  *   Changelog response = changelogsClient.getChangelog(name);
@@ -54,6 +58,8 @@
  * <p>Sample for DeploymentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (DeploymentsClient deploymentsClient = DeploymentsClient.create()) {
  *   DeploymentName name =
  *       DeploymentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[DEPLOYMENT]");
@@ -69,6 +75,8 @@
  * <p>Sample for EntityTypesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EntityTypesClient entityTypesClient = EntityTypesClient.create()) {
  *   EntityTypeName name =
  *       EntityTypeName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENTITY_TYPE]");
@@ -84,6 +92,8 @@
  * <p>Sample for EnvironmentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (EnvironmentsClient environmentsClient = EnvironmentsClient.create()) {
  *   EnvironmentName name =
  *       EnvironmentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]");
@@ -99,6 +109,8 @@
  * <p>Sample for ExperimentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (ExperimentsClient experimentsClient = ExperimentsClient.create()) {
  *   ExperimentName name =
  *       ExperimentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[ENVIRONMENT]", "[EXPERIMENT]");
@@ -113,6 +125,8 @@
  * <p>Sample for FlowsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (FlowsClient flowsClient = FlowsClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   Flow flow = Flow.newBuilder().build();
@@ -128,6 +142,8 @@
  * <p>Sample for IntentsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (IntentsClient intentsClient = IntentsClient.create()) {
  *   IntentName name = IntentName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[INTENT]");
  *   Intent response = intentsClient.getIntent(name);
@@ -141,6 +157,8 @@
  * <p>Sample for PagesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (PagesClient pagesClient = PagesClient.create()) {
  *   PageName name = PageName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[PAGE]");
  *   Page response = pagesClient.getPage(name);
@@ -154,6 +172,8 @@
  * <p>Sample for SecuritySettingsServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SecuritySettingsServiceClient securitySettingsServiceClient =
  *     SecuritySettingsServiceClient.create()) {
  *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
@@ -172,6 +192,8 @@
  * <p>Sample for SessionsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionsClient sessionsClient = SessionsClient.create()) {
  *   DetectIntentRequest request =
  *       DetectIntentRequest.newBuilder()
@@ -195,6 +217,8 @@
  * <p>Sample for SessionEntityTypesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
  *   SessionEntityTypeName name =
  *       SessionEntityTypeName.ofProjectLocationAgentSessionEntityTypeName(
@@ -212,6 +236,8 @@
  * <p>Sample for TestCasesClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TestCasesClient testCasesClient = TestCasesClient.create()) {
  *   AgentName parent = AgentName.of("[PROJECT]", "[LOCATION]", "[AGENT]");
  *   testCasesClient.batchDeleteTestCases(parent);
@@ -226,6 +252,8 @@
  * <p>Sample for TransitionRouteGroupsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (TransitionRouteGroupsClient transitionRouteGroupsClient =
  *     TransitionRouteGroupsClient.create()) {
  *   TransitionRouteGroupName name =
@@ -243,6 +271,8 @@
  * <p>Sample for VersionsClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (VersionsClient versionsClient = VersionsClient.create()) {
  *   VersionName name =
  *       VersionName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[FLOW]", "[VERSION]");
@@ -258,6 +288,8 @@
  * <p>Sample for WebhooksClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (WebhooksClient webhooksClient = WebhooksClient.create()) {
  *   WebhookName name = WebhookName.of("[PROJECT]", "[LOCATION]", "[AGENT]", "[WEBHOOK]");
  *   Webhook response = webhooksClient.getWebhook(name);
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStub.java
index 97b6b98b2..852113fba 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStubSettings.java
index 9832ee83d..1fc6da2bb 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/AgentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -87,6 +87,8 @@
  * <p>For example, to set the total timeout of getAgent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * AgentsStubSettings.Builder agentsSettingsBuilder = AgentsStubSettings.newBuilder();
  * agentsSettingsBuilder
  *     .getAgentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStub.java
index 5088976da..91427704e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStubSettings.java
index b6123ea3a..428c3edbf 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ChangelogsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,6 +71,8 @@
  * <p>For example, to set the total timeout of getChangelog to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ChangelogsStubSettings.Builder changelogsSettingsBuilder = ChangelogsStubSettings.newBuilder();
  * changelogsSettingsBuilder
  *     .getChangelogSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStub.java
index 6b6604d14..13c8f7500 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStubSettings.java
index ed26fe9ac..ff2fc8351 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/DeploymentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,6 +71,8 @@
  * <p>For example, to set the total timeout of getDeployment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * DeploymentsStubSettings.Builder deploymentsSettingsBuilder =
  *     DeploymentsStubSettings.newBuilder();
  * deploymentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStub.java
index 30bb9738f..c13505ca2 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStubSettings.java
index 71bac3a68..108c32b40 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EntityTypesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EntityTypesStubSettings.Builder entityTypesSettingsBuilder =
  *     EntityTypesStubSettings.newBuilder();
  * entityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStub.java
index 9aac7ea7d..033f76de8 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStubSettings.java
index d1a772c7a..0e7b9193e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/EnvironmentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -94,6 +94,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * EnvironmentsStubSettings.Builder environmentsSettingsBuilder =
  *     EnvironmentsStubSettings.newBuilder();
  * environmentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStub.java
index e264b2239..6771c3b3f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStubSettings.java
index 461047677..6ad63446c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/ExperimentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,6 +77,8 @@
  * <p>For example, to set the total timeout of getExperiment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * ExperimentsStubSettings.Builder experimentsSettingsBuilder =
  *     ExperimentsStubSettings.newBuilder();
  * experimentsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
index 8b9a70eb3..9fa5d087e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
index d3e283345..2d0a8949b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/FlowsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,6 +89,8 @@
  * <p>For example, to set the total timeout of createFlow to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * FlowsStubSettings.Builder flowsSettingsBuilder = FlowsStubSettings.newBuilder();
  * flowsSettingsBuilder
  *     .createFlowSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsCallableFactory.java
index 6621edee2..644f0e91b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsStub.java
index fd0c58a19..66e8288a3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcAgentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsCallableFactory.java
index ec5d2ebd5..10ebf6039 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsStub.java
index 36883e3d0..f12bfb8a7 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcChangelogsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsCallableFactory.java
index 96b6ca89c..5b425f28b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsStub.java
index 671aeccba..1f22aa317 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcDeploymentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesCallableFactory.java
index 4daef2740..db87dd818 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesStub.java
index 5c45fc952..a2583201b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsCallableFactory.java
index d588a8ea5..b2c623f56 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsStub.java
index e6544fc29..f7bf18a2d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcEnvironmentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsCallableFactory.java
index ce56624cc..9ac353bc6 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsStub.java
index d0d5bbb84..7a867f1a4 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcExperimentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsCallableFactory.java
index 90f509fa5..d636d9991 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
index 63922b1a6..fc6beeb4a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcFlowsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsCallableFactory.java
index c51b6d0ce..10fa83a4d 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsStub.java
index 3d6550ec2..eddb95a76 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcIntentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesCallableFactory.java
index 85c085848..fd76f5e92 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesStub.java
index 36d8f97a2..1eda7aaf3 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcPagesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceCallableFactory.java
index 6ec3a2ab9..d4be11f48 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceStub.java
index ea010ae9d..5a3b39771 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSecuritySettingsServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesCallableFactory.java
index 328706a7c..c0052032f 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesStub.java
index d5aa41c06..31fe861ff 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsCallableFactory.java
index 200008581..ecc936a53 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsStub.java
index f08ff6dc7..c89f3a530 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcSessionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesCallableFactory.java
index b5455237b..a54912924 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesStub.java
index 23b3d9ad8..ed9271dae 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTestCasesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsCallableFactory.java
index c452300b6..f993f5591 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsStub.java
index 7d614ba6d..aba3fc5f1 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcTransitionRouteGroupsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsCallableFactory.java
index be46d9836..a1e512025 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsStub.java
index 0bc6d36fc..9c2b4443a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcVersionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksCallableFactory.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksCallableFactory.java
index 7656d8f3c..9511be5df 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksCallableFactory.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksStub.java
index 98fde3a16..0265ff151 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/GrpcWebhooksStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStub.java
index bc8a388c1..6cdd86a59 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStubSettings.java
index f68980bd1..6010b2748 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/IntentsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * IntentsStubSettings.Builder intentsSettingsBuilder = IntentsStubSettings.newBuilder();
  * intentsSettingsBuilder
  *     .getIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStub.java
index 84bf48255..6d4619c11 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStubSettings.java
index 132bdab79..885ae2807 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/PagesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getPage to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * PagesStubSettings.Builder pagesSettingsBuilder = PagesStubSettings.newBuilder();
  * pagesSettingsBuilder
  *     .getPageSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStub.java
index 97ad9dd7d..fe962e96b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStubSettings.java
index 7850396ef..b4dd7fd7e 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SecuritySettingsServiceStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of createSecuritySettings to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SecuritySettingsServiceStubSettings.Builder securitySettingsServiceSettingsBuilder =
  *     SecuritySettingsServiceStubSettings.newBuilder();
  * securitySettingsServiceSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStub.java
index 08f213e1e..745b98e5c 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStubSettings.java
index 7c6163d0e..8261bec8b 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionEntityTypesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getSessionEntityType to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionEntityTypesStubSettings.Builder sessionEntityTypesSettingsBuilder =
  *     SessionEntityTypesStubSettings.newBuilder();
  * sessionEntityTypesSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStub.java
index 8e018bd04..cf7be1fab 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStubSettings.java
index a2407d3f8..4ee163f77 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/SessionsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,6 +67,8 @@
  * <p>For example, to set the total timeout of detectIntent to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * SessionsStubSettings.Builder sessionsSettingsBuilder = SessionsStubSettings.newBuilder();
  * sessionsSettingsBuilder
  *     .detectIntentSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStub.java
index d558d59ff..408b2b32a 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStubSettings.java
index 7d23f330c..59482dc02 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TestCasesStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -99,6 +99,8 @@
  * <p>For example, to set the total timeout of batchDeleteTestCases to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TestCasesStubSettings.Builder testCasesSettingsBuilder = TestCasesStubSettings.newBuilder();
  * testCasesSettingsBuilder
  *     .batchDeleteTestCasesSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStub.java
index 21f19e423..3625c1027 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStubSettings.java
index 96608cf6e..ae2792020 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/TransitionRouteGroupsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getTransitionRouteGroup to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * TransitionRouteGroupsStubSettings.Builder transitionRouteGroupsSettingsBuilder =
  *     TransitionRouteGroupsStubSettings.newBuilder();
  * transitionRouteGroupsSettingsBuilder
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStub.java
index 5d62f42fe..b5025f6ae 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStubSettings.java
index add4e6ad4..4e633ce68 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/VersionsStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,6 +85,8 @@
  * <p>For example, to set the total timeout of getVersion to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * VersionsStubSettings.Builder versionsSettingsBuilder = VersionsStubSettings.newBuilder();
  * versionsSettingsBuilder
  *     .getVersionSettings()
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStub.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStub.java
index 9a1cacd89..744ce38be 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStub.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStubSettings.java b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStubSettings.java
index 16a77fc63..51dee5f78 100644
--- a/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStubSettings.java
+++ b/google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/stub/WebhooksStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,8 @@
  * <p>For example, to set the total timeout of getWebhook to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * WebhooksStubSettings.Builder webhooksSettingsBuilder = WebhooksStubSettings.newBuilder();
  * webhooksSettingsBuilder
  *     .getWebhookSettings()
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
index 88016193b..ad50fc307 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/AgentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClientTest.java
index 99640438f..c55f4db47 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ChangelogsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClientTest.java
index b382ccad4..ea8bd6299 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/DeploymentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClientTest.java
index c79f1950c..6bac96302 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EntityTypesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClientTest.java
index 685a10aaa..482cc8bea 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/EnvironmentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClientTest.java
index 77326f960..44251722d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/ExperimentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
index 7b2548e8e..4e946d600 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/FlowsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/IntentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/IntentsClientTest.java
index be0280ddf..07f01e156 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/IntentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/IntentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgents.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgents.java
index ddd23847c..907cb742d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgents.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgents.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgentsImpl.java
index 682a7d40f..4422041b4 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockAgentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogs.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogs.java
index 192f3cd04..4c6ef1469 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogs.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogs.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogsImpl.java
index aaa92402e..a17b1baff 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockChangelogsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeployments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeployments.java
index 9bd707638..a5368d7c1 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeployments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeployments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeploymentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeploymentsImpl.java
index 9885852c9..0a6de5598 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeploymentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockDeploymentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypes.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypes.java
index 3dbcd1922..76d18be3f 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypes.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypesImpl.java
index 11e08770d..a90b9b02c 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEntityTypesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironments.java
index 9d0eda21a..928ef6eec 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironmentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironmentsImpl.java
index 42ea86dec..bfe7a342a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironmentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockEnvironmentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperiments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperiments.java
index 86fd9f48c..b48781a4f 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperiments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperiments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperimentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperimentsImpl.java
index 88ab6daac..910450a89 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperimentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockExperimentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlows.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlows.java
index 4628089a9..1f69a0bdd 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlows.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlows.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
index 33585ec4c..bf472436c 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockFlowsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntents.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntents.java
index 224f6e03d..5790b611a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntents.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntents.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntentsImpl.java
index ecb9a677e..3e265d912 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockIntentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPages.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPages.java
index 62c8d539d..5e2128490 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPages.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPages.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPagesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPagesImpl.java
index cdfdc5f6e..dcaa665bc 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPagesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockPagesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsService.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsService.java
index 58ced69e9..4e6a76279 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsService.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsServiceImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsServiceImpl.java
index 513028682..0c5603696 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsServiceImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSecuritySettingsServiceImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypes.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypes.java
index ddb8f1f9b..4bbc90c51 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypes.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypesImpl.java
index 5b5872229..01ff80eb2 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionEntityTypesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessions.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessions.java
index 271a9600f..ea4a22fd5 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessions.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionsImpl.java
index a2a8354ce..8bd21817d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockSessionsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCases.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCases.java
index ca878f085..9da07f407 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCases.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCases.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCasesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCasesImpl.java
index dd45aa208..3d1fe908b 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCasesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTestCasesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroups.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroups.java
index 201b961d1..bc18b6742 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroups.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroups.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroupsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroupsImpl.java
index 99c7b34f4..8b9f2b35a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroupsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockTransitionRouteGroupsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersions.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersions.java
index c637680f5..2ffcc365a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersions.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersionsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersionsImpl.java
index f9dfba444..3af56fa23 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersionsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockVersionsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooks.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooks.java
index 0bc3bbd9d..7b97f6bad 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooks.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooks.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooksImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooksImpl.java
index 7313bb301..b4081f256 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooksImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/MockWebhooksImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/PagesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/PagesClientTest.java
index 1feb11323..ece008766 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/PagesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/PagesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClientTest.java
index 4de916e52..ccbdd5155 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsServiceClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClientTest.java
index 349543a9c..d556521c6 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionsClientTest.java
index d382ef728..af2dccb12 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/SessionsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TestCasesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TestCasesClientTest.java
index 439bad6cc..020d911c5 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TestCasesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TestCasesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClientTest.java
index 671cc7524..9a7e8ddb9 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/VersionsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/VersionsClientTest.java
index e38c95ffc..4f60913dc 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/VersionsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/VersionsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/WebhooksClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/WebhooksClientTest.java
index 6ba4bd989..a8cebc18f 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/WebhooksClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3/WebhooksClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
index 4e28aa527..4bd89a792 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/AgentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClientTest.java
index 45bd8810a..a692deacb 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClientTest.java
index 954275de3..c9c3aea39 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClientTest.java
index c3d3dd8aa..74c90d280 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClientTest.java
index ff85bee91..ef1f54e6d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClientTest.java
index 2d8a50740..80b70e7cc 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
index 103eacfef..93d7e0ccf 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/FlowsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClientTest.java
index a8cc141be..e71453944 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/IntentsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgents.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgents.java
index 3380828be..11cda5a6b 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgents.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgents.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgentsImpl.java
index 9357a4a00..f939c49f4 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockAgentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogs.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogs.java
index 06692b297..0f47c1b96 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogs.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogs.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogsImpl.java
index ee5118ee1..feb9409d3 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockChangelogsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeployments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeployments.java
index 5c0de9731..424838454 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeployments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeployments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeploymentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeploymentsImpl.java
index dd83a83c3..15b5efe56 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeploymentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockDeploymentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypes.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypes.java
index dc7adba7d..b76e2a121 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypes.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypesImpl.java
index cf2c14f66..bbe0dd84d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEntityTypesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironments.java
index 9f0196faa..6a28c70c6 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironmentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironmentsImpl.java
index 3264ac681..bfc2265ae 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironmentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockEnvironmentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperiments.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperiments.java
index 4be5ab2e4..4d1d1391b 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperiments.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperiments.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperimentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperimentsImpl.java
index e9222236e..2f063134d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperimentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockExperimentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlows.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlows.java
index 3ae6bc923..d523ebdd3 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlows.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlows.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
index bcfb35e22..cc0ab85e9 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockFlowsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntents.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntents.java
index 5c204b5c0..3a1a05cb4 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntents.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntents.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntentsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntentsImpl.java
index 565ca9ffd..92db7d709 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntentsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockIntentsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPages.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPages.java
index ad83832b7..7402ac7dc 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPages.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPages.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPagesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPagesImpl.java
index c4854e740..1421c948d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPagesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockPagesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsService.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsService.java
index 8d021da74..337c4e8b0 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsService.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsServiceImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsServiceImpl.java
index 107bcb7e2..14b2fa835 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsServiceImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSecuritySettingsServiceImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypes.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypes.java
index f22a26569..571217d0d 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypes.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypesImpl.java
index 3cfee0957..89d69d306 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionEntityTypesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessions.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessions.java
index 86288df62..803b871f2 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessions.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionsImpl.java
index 1a2d881a3..ce2b70a93 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockSessionsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCases.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCases.java
index 937f75d9f..f6330cf0a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCases.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCases.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCasesImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCasesImpl.java
index 3c877df80..cb38a97e6 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCasesImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTestCasesImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroups.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroups.java
index 368fd9680..e20ce22c7 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroups.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroups.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroupsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroupsImpl.java
index 03ba3e4d3..b26189210 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroupsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockTransitionRouteGroupsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersions.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersions.java
index f7ba7e8d1..1c044e566 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersions.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersionsImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersionsImpl.java
index 942404116..6d5dc727a 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersionsImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockVersionsImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooks.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooks.java
index cd222ac94..f4fb0a811 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooks.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooks.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooksImpl.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooksImpl.java
index fa74576c1..3579abe47 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooksImpl.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/MockWebhooksImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClientTest.java
index 4dc75b000..8aa24f8e9 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/PagesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClientTest.java
index efa71eb0f..14b35aefd 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsServiceClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -93,6 +93,7 @@ public void createSecuritySettingsTest() throws Exception {
             .setInspectTemplate("inspectTemplate-2053620050")
             .setDeidentifyTemplate("deidentifyTemplate-2141929945")
             .addAllPurgeDataTypes(new ArrayList<SecuritySettings.PurgeDataType>())
+            .setAudioExportSettings(SecuritySettings.AudioExportSettings.newBuilder().build())
             .setInsightsExportSettings(SecuritySettings.InsightsExportSettings.newBuilder().build())
             .build();
     mockSecuritySettingsService.addResponse(expectedResponse);
@@ -142,6 +143,7 @@ public void createSecuritySettingsTest2() throws Exception {
             .setInspectTemplate("inspectTemplate-2053620050")
             .setDeidentifyTemplate("deidentifyTemplate-2141929945")
             .addAllPurgeDataTypes(new ArrayList<SecuritySettings.PurgeDataType>())
+            .setAudioExportSettings(SecuritySettings.AudioExportSettings.newBuilder().build())
             .setInsightsExportSettings(SecuritySettings.InsightsExportSettings.newBuilder().build())
             .build();
     mockSecuritySettingsService.addResponse(expectedResponse);
@@ -191,6 +193,7 @@ public void getSecuritySettingsTest() throws Exception {
             .setInspectTemplate("inspectTemplate-2053620050")
             .setDeidentifyTemplate("deidentifyTemplate-2141929945")
             .addAllPurgeDataTypes(new ArrayList<SecuritySettings.PurgeDataType>())
+            .setAudioExportSettings(SecuritySettings.AudioExportSettings.newBuilder().build())
             .setInsightsExportSettings(SecuritySettings.InsightsExportSettings.newBuilder().build())
             .build();
     mockSecuritySettingsService.addResponse(expectedResponse);
@@ -238,6 +241,7 @@ public void getSecuritySettingsTest2() throws Exception {
             .setInspectTemplate("inspectTemplate-2053620050")
             .setDeidentifyTemplate("deidentifyTemplate-2141929945")
             .addAllPurgeDataTypes(new ArrayList<SecuritySettings.PurgeDataType>())
+            .setAudioExportSettings(SecuritySettings.AudioExportSettings.newBuilder().build())
             .setInsightsExportSettings(SecuritySettings.InsightsExportSettings.newBuilder().build())
             .build();
     mockSecuritySettingsService.addResponse(expectedResponse);
@@ -283,6 +287,7 @@ public void updateSecuritySettingsTest() throws Exception {
             .setInspectTemplate("inspectTemplate-2053620050")
             .setDeidentifyTemplate("deidentifyTemplate-2141929945")
             .addAllPurgeDataTypes(new ArrayList<SecuritySettings.PurgeDataType>())
+            .setAudioExportSettings(SecuritySettings.AudioExportSettings.newBuilder().build())
             .setInsightsExportSettings(SecuritySettings.InsightsExportSettings.newBuilder().build())
             .build();
     mockSecuritySettingsService.addResponse(expectedResponse);
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClientTest.java
index 3de534fb9..0bfbb5be3 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClientTest.java
index 24be9722c..4881c2a24 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/SessionsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClientTest.java
index ffa1df3b1..6a50fca98 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TestCasesClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClientTest.java
index d6a4228b8..1235e4e48 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClientTest.java
index f70d0c8cc..7e730f057 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/VersionsClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClientTest.java b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClientTest.java
index c218f43b5..b372ad13c 100644
--- a/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClientTest.java
+++ b/google-cloud-dialogflow-cx/src/test/java/com/google/cloud/dialogflow/cx/v3beta1/WebhooksClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentName.java
index 8f9e5f1fa..845f96e52 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentValidationResultName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentValidationResultName.java
index 6390167dc..f4796c5d3 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentValidationResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentValidationResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogName.java
index 621ef6d6e..16aacfd0c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ChangelogName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ContinuousTestResultName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ContinuousTestResultName.java
index f43c2e56e..6f15e869c 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ContinuousTestResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ContinuousTestResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentName.java
index 8c10d5213..a68e60de9 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/DeploymentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypeName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypeName.java
index 0fd4df290..e00672d69 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypeName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EntityTypeName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentName.java
index 94f6d3655..118d7ad21 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/EnvironmentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentName.java
index 2e6999796..ec78fc692 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/ExperimentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowName.java
index 006e85e62..b9c625c25 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowValidationResultName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowValidationResultName.java
index 3a0b7f746..b319dd223 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowValidationResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/FlowValidationResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentName.java
index bcbc0b749..0625c29ed 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/IntentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LocationName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LocationName.java
index e6c4bf644..49c6f33dd 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LocationName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/LocationName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/PageName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/PageName.java
index 0c157654d..1c44694d0 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/PageName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/PageName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsName.java
index 72845ba01..2a8495efb 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SecuritySettingsName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypeName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypeName.java
index 72e55d1fc..a2491c4d3 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypeName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionEntityTypeName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionName.java
index 0dbe2c44e..53f6cbae1 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/SessionName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseName.java
index cdca998f1..2fe213d79 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseResultName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseResultName.java
index d7afedcff..ad147fe81 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TestCaseResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupName.java
index b78966679..7dc7a10f2 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/TransitionRouteGroupName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionName.java
index 99cb36431..e30a3c083 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/VersionName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhookName.java b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhookName.java
index 27ab38ffa..3d22b21dc 100644
--- a/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhookName.java
+++ b/proto-google-cloud-dialogflow-cx-v3/src/main/java/com/google/cloud/dialogflow/cx/v3/WebhookName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentName.java
index 60ebf263e..b9a1282ff 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentValidationResultName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentValidationResultName.java
index 151981670..8a6c42a39 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentValidationResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/AgentValidationResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogName.java
index cf2d61114..04e37074e 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ChangelogName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ContinuousTestResultName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ContinuousTestResultName.java
index b4c5d98ad..7164382b1 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ContinuousTestResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ContinuousTestResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentName.java
index f32ab0db7..977bd7d27 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/DeploymentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypeName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypeName.java
index 123ee8055..c93c42bee 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypeName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EntityTypeName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentName.java
index 8546484da..605872cc2 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/EnvironmentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentName.java
index f7b2adec4..e81a75c4a 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/ExperimentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowName.java
index 944c805ed..1ec52c467 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowValidationResultName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowValidationResultName.java
index fb5a859bd..02c76f732 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowValidationResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/FlowValidationResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentName.java
index 398950c69..86d016d20 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/IntentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LocationName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LocationName.java
index 0af14bcba..dffdb559e 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LocationName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/LocationName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PageName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PageName.java
index 7061ec26d..b3faa34d6 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PageName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/PageName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
index 355c44fd9..cb663d113 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResult.java
@@ -1279,8 +1279,20 @@ public com.google.cloud.dialogflow.cx.v3beta1.MatchOrBuilder getMatchOrBuilder()
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -1296,8 +1308,20 @@ public boolean hasDiagnosticInfo() {
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -1315,8 +1339,20 @@ public com.google.protobuf.Struct getDiagnosticInfo() {
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5245,8 +5281,20 @@ public com.google.cloud.dialogflow.cx.v3beta1.MatchOrBuilder getMatchOrBuilder()
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5261,8 +5309,20 @@ public boolean hasDiagnosticInfo() {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5283,8 +5343,20 @@ public com.google.protobuf.Struct getDiagnosticInfo() {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5307,8 +5379,20 @@ public Builder setDiagnosticInfo(com.google.protobuf.Struct value) {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5328,8 +5412,20 @@ public Builder setDiagnosticInfo(com.google.protobuf.Struct.Builder builderForVa
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5356,8 +5452,20 @@ public Builder mergeDiagnosticInfo(com.google.protobuf.Struct value) {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5378,8 +5486,20 @@ public Builder clearDiagnosticInfo() {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5394,8 +5514,20 @@ public com.google.protobuf.Struct.Builder getDiagnosticInfoBuilder() {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -5414,8 +5546,20 @@ public com.google.protobuf.StructOrBuilder getDiagnosticInfoOrBuilder() {
      *
      * <pre>
      * The free-form diagnostic info. For example, this field could contain
-     * webhook call latency. The string keys of the Struct's fields map can change
-     * without notice.
+     * webhook call latency. The fields of this data can change without notice,
+     * so you should not write code that depends on its structure.
+     * One of the fields is called "Alternative Matched Intents", which may
+     * aid with debugging. The following describes these intent results:
+     * - The list is empty if no intent was matched to end-user input.
+     * - Only intents that are referenced in the currently active flow are
+     *   included.
+     * - The matched intent is included.
+     * - Other intents that could have matched end-user input, but did not match
+     *   because they are referenced by intent routes that are out of
+     *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+     *   are included.
+     * - Other intents referenced by intent routes in scope that matched end-user
+     *   input, but had a lower confidence score.
      * </pre>
      *
      * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
index 10cafb473..5d1773e50 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/QueryResultOrBuilder.java
@@ -657,8 +657,20 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -671,8 +683,20 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
@@ -685,8 +709,20 @@ com.google.cloud.dialogflow.cx.v3beta1.ResponseMessageOrBuilder getResponseMessa
    *
    * <pre>
    * The free-form diagnostic info. For example, this field could contain
-   * webhook call latency. The string keys of the Struct's fields map can change
-   * without notice.
+   * webhook call latency. The fields of this data can change without notice,
+   * so you should not write code that depends on its structure.
+   * One of the fields is called "Alternative Matched Intents", which may
+   * aid with debugging. The following describes these intent results:
+   * - The list is empty if no intent was matched to end-user input.
+   * - Only intents that are referenced in the currently active flow are
+   *   included.
+   * - The matched intent is included.
+   * - Other intents that could have matched end-user input, but did not match
+   *   because they are referenced by intent routes that are out of
+   *   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+   *   are included.
+   * - Other intents referenced by intent routes in scope that matched end-user
+   *   input, but had a lower confidence score.
    * </pre>
    *
    * <code>.google.protobuf.Struct diagnostic_info = 10;</code>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
index 936d451dd..43667eb03 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
@@ -143,6 +143,25 @@ private SecuritySettings(
               java.lang.String s = input.readStringRequireUtf8();
 
               inspectTemplate_ = s;
+              break;
+            }
+          case 98:
+            {
+              com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder
+                  subBuilder = null;
+              if (audioExportSettings_ != null) {
+                subBuilder = audioExportSettings_.toBuilder();
+              }
+              audioExportSettings_ =
+                  input.readMessage(
+                      com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                          .parser(),
+                      extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(audioExportSettings_);
+                audioExportSettings_ = subBuilder.buildPartial();
+              }
+
               break;
             }
           case 106:
@@ -580,54 +599,1475 @@ public static PurgeDataType forNumber(int value) {
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap<PurgeDataType> internalGetValueMap() {
-      return internalValueMap;
-    }
+    public static com.google.protobuf.Internal.EnumLiteMap<PurgeDataType> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<PurgeDataType> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<PurgeDataType>() {
+          public PurgeDataType findValueByNumber(int number) {
+            return PurgeDataType.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.getDescriptor()
+          .getEnumTypes()
+          .get(2);
+    }
+
+    private static final PurgeDataType[] VALUES = values();
+
+    public static PurgeDataType valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private PurgeDataType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.PurgeDataType)
+  }
+
+  public interface AudioExportSettingsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud Storage bucket to export audio record to. You need to grant
+     * `service-&lt;Conversation Project
+     * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+     * Admin` role in this bucket.
+     * </pre>
+     *
+     * <code>string gcs_bucket = 1;</code>
+     *
+     * @return The gcsBucket.
+     */
+    java.lang.String getGcsBucket();
+    /**
+     *
+     *
+     * <pre>
+     * Cloud Storage bucket to export audio record to. You need to grant
+     * `service-&lt;Conversation Project
+     * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+     * Admin` role in this bucket.
+     * </pre>
+     *
+     * <code>string gcs_bucket = 1;</code>
+     *
+     * @return The bytes for gcsBucket.
+     */
+    com.google.protobuf.ByteString getGcsBucketBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Filename pattern for exported audio.
+     * </pre>
+     *
+     * <code>string audio_export_pattern = 2;</code>
+     *
+     * @return The audioExportPattern.
+     */
+    java.lang.String getAudioExportPattern();
+    /**
+     *
+     *
+     * <pre>
+     * Filename pattern for exported audio.
+     * </pre>
+     *
+     * <code>string audio_export_pattern = 2;</code>
+     *
+     * @return The bytes for audioExportPattern.
+     */
+    com.google.protobuf.ByteString getAudioExportPatternBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Enable audio redaction if it is true.
+     * </pre>
+     *
+     * <code>bool enable_audio_redaction = 3;</code>
+     *
+     * @return The enableAudioRedaction.
+     */
+    boolean getEnableAudioRedaction();
+
+    /**
+     *
+     *
+     * <pre>
+     * File format for exported audio file. Currently only in telephony
+     * recordings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for audioFormat.
+     */
+    int getAudioFormatValue();
+    /**
+     *
+     *
+     * <pre>
+     * File format for exported audio file. Currently only in telephony
+     * recordings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+     * </code>
+     *
+     * @return The audioFormat.
+     */
+    com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+        getAudioFormat();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Settings for exporting audio.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings}
+   */
+  public static final class AudioExportSettings extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
+      AudioExportSettingsOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use AudioExportSettings.newBuilder() to construct.
+    private AudioExportSettings(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+
+    private AudioExportSettings() {
+      gcsBucket_ = "";
+      audioExportPattern_ = "";
+      audioFormat_ = 0;
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+      return new AudioExportSettings();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+      return this.unknownFields;
+    }
+
+    private AudioExportSettings(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+
+                gcsBucket_ = s;
+                break;
+              }
+            case 18:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+
+                audioExportPattern_ = s;
+                break;
+              }
+            case 24:
+              {
+                enableAudioRedaction_ = input.readBool();
+                break;
+              }
+            case 32:
+              {
+                int rawValue = input.readEnum();
+
+                audioFormat_ = rawValue;
+                break;
+              }
+            default:
+              {
+                if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                  done = true;
+                }
+                break;
+              }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettingsProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettingsProto
+          .internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.class,
+              com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder
+                  .class);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * File format for exported audio file. Currently only in telephony
+     * recordings.
+     * </pre>
+     *
+     * Protobuf enum {@code
+     * google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat}
+     */
+    public enum AudioFormat implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       *
+       *
+       * <pre>
+       * Unspecified. Do not use.
+       * </pre>
+       *
+       * <code>AUDIO_FORMAT_UNSPECIFIED = 0;</code>
+       */
+      AUDIO_FORMAT_UNSPECIFIED(0),
+      /**
+       *
+       *
+       * <pre>
+       * G.711 mu-law PCM with 8kHz sample rate.
+       * </pre>
+       *
+       * <code>MULAW = 1;</code>
+       */
+      MULAW(1),
+      /**
+       *
+       *
+       * <pre>
+       * MP3 file format.
+       * </pre>
+       *
+       * <code>MP3 = 2;</code>
+       */
+      MP3(2),
+      /**
+       *
+       *
+       * <pre>
+       * OGG Vorbis.
+       * </pre>
+       *
+       * <code>OGG = 3;</code>
+       */
+      OGG(3),
+      UNRECOGNIZED(-1),
+      ;
+
+      /**
+       *
+       *
+       * <pre>
+       * Unspecified. Do not use.
+       * </pre>
+       *
+       * <code>AUDIO_FORMAT_UNSPECIFIED = 0;</code>
+       */
+      public static final int AUDIO_FORMAT_UNSPECIFIED_VALUE = 0;
+      /**
+       *
+       *
+       * <pre>
+       * G.711 mu-law PCM with 8kHz sample rate.
+       * </pre>
+       *
+       * <code>MULAW = 1;</code>
+       */
+      public static final int MULAW_VALUE = 1;
+      /**
+       *
+       *
+       * <pre>
+       * MP3 file format.
+       * </pre>
+       *
+       * <code>MP3 = 2;</code>
+       */
+      public static final int MP3_VALUE = 2;
+      /**
+       *
+       *
+       * <pre>
+       * OGG Vorbis.
+       * </pre>
+       *
+       * <code>OGG = 3;</code>
+       */
+      public static final int OGG_VALUE = 3;
+
+      public final int getNumber() {
+        if (this == UNRECOGNIZED) {
+          throw new java.lang.IllegalArgumentException(
+              "Can't get the number of an unknown enum value.");
+        }
+        return value;
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static AudioFormat valueOf(int value) {
+        return forNumber(value);
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       */
+      public static AudioFormat forNumber(int value) {
+        switch (value) {
+          case 0:
+            return AUDIO_FORMAT_UNSPECIFIED;
+          case 1:
+            return MULAW;
+          case 2:
+            return MP3;
+          case 3:
+            return OGG;
+          default:
+            return null;
+        }
+      }
+
+      public static com.google.protobuf.Internal.EnumLiteMap<AudioFormat> internalGetValueMap() {
+        return internalValueMap;
+      }
+
+      private static final com.google.protobuf.Internal.EnumLiteMap<AudioFormat> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap<AudioFormat>() {
+            public AudioFormat findValueByNumber(int number) {
+              return AudioFormat.forNumber(number);
+            }
+          };
+
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+        if (this == UNRECOGNIZED) {
+          throw new java.lang.IllegalStateException(
+              "Can't get the descriptor of an unrecognized enum value.");
+        }
+        return getDescriptor().getValues().get(ordinal());
+      }
+
+      public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+        return getDescriptor();
+      }
+
+      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+            .getDescriptor()
+            .getEnumTypes()
+            .get(0);
+      }
+
+      private static final AudioFormat[] VALUES = values();
+
+      public static AudioFormat valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+        if (desc.getType() != getDescriptor()) {
+          throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        }
+        if (desc.getIndex() == -1) {
+          return UNRECOGNIZED;
+        }
+        return VALUES[desc.getIndex()];
+      }
+
+      private final int value;
+
+      private AudioFormat(int value) {
+        this.value = value;
+      }
+
+      // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat)
+    }
+
+    public static final int GCS_BUCKET_FIELD_NUMBER = 1;
+    private volatile java.lang.Object gcsBucket_;
+    /**
+     *
+     *
+     * <pre>
+     * Cloud Storage bucket to export audio record to. You need to grant
+     * `service-&lt;Conversation Project
+     * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+     * Admin` role in this bucket.
+     * </pre>
+     *
+     * <code>string gcs_bucket = 1;</code>
+     *
+     * @return The gcsBucket.
+     */
+    @java.lang.Override
+    public java.lang.String getGcsBucket() {
+      java.lang.Object ref = gcsBucket_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        gcsBucket_ = s;
+        return s;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Cloud Storage bucket to export audio record to. You need to grant
+     * `service-&lt;Conversation Project
+     * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+     * Admin` role in this bucket.
+     * </pre>
+     *
+     * <code>string gcs_bucket = 1;</code>
+     *
+     * @return The bytes for gcsBucket.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getGcsBucketBytes() {
+      java.lang.Object ref = gcsBucket_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        gcsBucket_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int AUDIO_EXPORT_PATTERN_FIELD_NUMBER = 2;
+    private volatile java.lang.Object audioExportPattern_;
+    /**
+     *
+     *
+     * <pre>
+     * Filename pattern for exported audio.
+     * </pre>
+     *
+     * <code>string audio_export_pattern = 2;</code>
+     *
+     * @return The audioExportPattern.
+     */
+    @java.lang.Override
+    public java.lang.String getAudioExportPattern() {
+      java.lang.Object ref = audioExportPattern_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        audioExportPattern_ = s;
+        return s;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Filename pattern for exported audio.
+     * </pre>
+     *
+     * <code>string audio_export_pattern = 2;</code>
+     *
+     * @return The bytes for audioExportPattern.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getAudioExportPatternBytes() {
+      java.lang.Object ref = audioExportPattern_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        audioExportPattern_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int ENABLE_AUDIO_REDACTION_FIELD_NUMBER = 3;
+    private boolean enableAudioRedaction_;
+    /**
+     *
+     *
+     * <pre>
+     * Enable audio redaction if it is true.
+     * </pre>
+     *
+     * <code>bool enable_audio_redaction = 3;</code>
+     *
+     * @return The enableAudioRedaction.
+     */
+    @java.lang.Override
+    public boolean getEnableAudioRedaction() {
+      return enableAudioRedaction_;
+    }
+
+    public static final int AUDIO_FORMAT_FIELD_NUMBER = 4;
+    private int audioFormat_;
+    /**
+     *
+     *
+     * <pre>
+     * File format for exported audio file. Currently only in telephony
+     * recordings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for audioFormat.
+     */
+    @java.lang.Override
+    public int getAudioFormatValue() {
+      return audioFormat_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * File format for exported audio file. Currently only in telephony
+     * recordings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+     * </code>
+     *
+     * @return The audioFormat.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+        getAudioFormat() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+          result =
+              com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                  .AudioFormat.valueOf(audioFormat_);
+      return result == null
+          ? com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+              .UNRECOGNIZED
+          : result;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(gcsBucket_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, gcsBucket_);
+      }
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(audioExportPattern_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, audioExportPattern_);
+      }
+      if (enableAudioRedaction_ != false) {
+        output.writeBool(3, enableAudioRedaction_);
+      }
+      if (audioFormat_
+          != com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+              .AUDIO_FORMAT_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(4, audioFormat_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(gcsBucket_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, gcsBucket_);
+      }
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(audioExportPattern_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, audioExportPattern_);
+      }
+      if (enableAudioRedaction_ != false) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(3, enableAudioRedaction_);
+      }
+      if (audioFormat_
+          != com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+              .AUDIO_FORMAT_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, audioFormat_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings other =
+          (com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings) obj;
+
+      if (!getGcsBucket().equals(other.getGcsBucket())) return false;
+      if (!getAudioExportPattern().equals(other.getAudioExportPattern())) return false;
+      if (getEnableAudioRedaction() != other.getEnableAudioRedaction()) return false;
+      if (audioFormat_ != other.audioFormat_) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + GCS_BUCKET_FIELD_NUMBER;
+      hash = (53 * hash) + getGcsBucket().hashCode();
+      hash = (37 * hash) + AUDIO_EXPORT_PATTERN_FIELD_NUMBER;
+      hash = (53 * hash) + getAudioExportPattern().hashCode();
+      hash = (37 * hash) + ENABLE_AUDIO_REDACTION_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableAudioRedaction());
+      hash = (37 * hash) + AUDIO_FORMAT_FIELD_NUMBER;
+      hash = (53 * hash) + audioFormat_;
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Settings for exporting audio.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettingsProto
+            .internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettingsProto
+            .internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.class,
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        gcsBucket_ = "";
+
+        audioExportPattern_ = "";
+
+        enableAudioRedaction_ = false;
+
+        audioFormat_ = 0;
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettingsProto
+            .internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+          getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings build() {
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+          buildPartial() {
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings result =
+            new com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings(this);
+        result.gcsBucket_ = gcsBucket_;
+        result.audioExportPattern_ = audioExportPattern_;
+        result.enableAudioRedaction_ = enableAudioRedaction_;
+        result.audioFormat_ = audioFormat_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        return super.setField(field, value);
+      }
+
+      @java.lang.Override
+      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+
+      @java.lang.Override
+      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index,
+          java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings) {
+          return mergeFrom(
+              (com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings other) {
+        if (other
+            == com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                .getDefaultInstance()) return this;
+        if (!other.getGcsBucket().isEmpty()) {
+          gcsBucket_ = other.gcsBucket_;
+          onChanged();
+        }
+        if (!other.getAudioExportPattern().isEmpty()) {
+          audioExportPattern_ = other.audioExportPattern_;
+          onChanged();
+        }
+        if (other.getEnableAudioRedaction() != false) {
+          setEnableAudioRedaction(other.getEnableAudioRedaction());
+        }
+        if (other.audioFormat_ != 0) {
+          setAudioFormatValue(other.getAudioFormatValue());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings parsedMessage =
+            null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage =
+              (com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
+                  e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private java.lang.Object gcsBucket_ = "";
+      /**
+       *
+       *
+       * <pre>
+       * Cloud Storage bucket to export audio record to. You need to grant
+       * `service-&lt;Conversation Project
+       * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+       * Admin` role in this bucket.
+       * </pre>
+       *
+       * <code>string gcs_bucket = 1;</code>
+       *
+       * @return The gcsBucket.
+       */
+      public java.lang.String getGcsBucket() {
+        java.lang.Object ref = gcsBucket_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          gcsBucket_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Cloud Storage bucket to export audio record to. You need to grant
+       * `service-&lt;Conversation Project
+       * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+       * Admin` role in this bucket.
+       * </pre>
+       *
+       * <code>string gcs_bucket = 1;</code>
+       *
+       * @return The bytes for gcsBucket.
+       */
+      public com.google.protobuf.ByteString getGcsBucketBytes() {
+        java.lang.Object ref = gcsBucket_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          gcsBucket_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Cloud Storage bucket to export audio record to. You need to grant
+       * `service-&lt;Conversation Project
+       * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+       * Admin` role in this bucket.
+       * </pre>
+       *
+       * <code>string gcs_bucket = 1;</code>
+       *
+       * @param value The gcsBucket to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGcsBucket(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+
+        gcsBucket_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Cloud Storage bucket to export audio record to. You need to grant
+       * `service-&lt;Conversation Project
+       * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+       * Admin` role in this bucket.
+       * </pre>
+       *
+       * <code>string gcs_bucket = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearGcsBucket() {
+
+        gcsBucket_ = getDefaultInstance().getGcsBucket();
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Cloud Storage bucket to export audio record to. You need to grant
+       * `service-&lt;Conversation Project
+       * Number&gt;&#64;gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+       * Admin` role in this bucket.
+       * </pre>
+       *
+       * <code>string gcs_bucket = 1;</code>
+       *
+       * @param value The bytes for gcsBucket to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGcsBucketBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+
+        gcsBucket_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object audioExportPattern_ = "";
+      /**
+       *
+       *
+       * <pre>
+       * Filename pattern for exported audio.
+       * </pre>
+       *
+       * <code>string audio_export_pattern = 2;</code>
+       *
+       * @return The audioExportPattern.
+       */
+      public java.lang.String getAudioExportPattern() {
+        java.lang.Object ref = audioExportPattern_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          audioExportPattern_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Filename pattern for exported audio.
+       * </pre>
+       *
+       * <code>string audio_export_pattern = 2;</code>
+       *
+       * @return The bytes for audioExportPattern.
+       */
+      public com.google.protobuf.ByteString getAudioExportPatternBytes() {
+        java.lang.Object ref = audioExportPattern_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          audioExportPattern_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Filename pattern for exported audio.
+       * </pre>
+       *
+       * <code>string audio_export_pattern = 2;</code>
+       *
+       * @param value The audioExportPattern to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAudioExportPattern(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+
+        audioExportPattern_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Filename pattern for exported audio.
+       * </pre>
+       *
+       * <code>string audio_export_pattern = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearAudioExportPattern() {
+
+        audioExportPattern_ = getDefaultInstance().getAudioExportPattern();
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Filename pattern for exported audio.
+       * </pre>
+       *
+       * <code>string audio_export_pattern = 2;</code>
+       *
+       * @param value The bytes for audioExportPattern to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAudioExportPatternBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+
+        audioExportPattern_ = value;
+        onChanged();
+        return this;
+      }
+
+      private boolean enableAudioRedaction_;
+      /**
+       *
+       *
+       * <pre>
+       * Enable audio redaction if it is true.
+       * </pre>
+       *
+       * <code>bool enable_audio_redaction = 3;</code>
+       *
+       * @return The enableAudioRedaction.
+       */
+      @java.lang.Override
+      public boolean getEnableAudioRedaction() {
+        return enableAudioRedaction_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Enable audio redaction if it is true.
+       * </pre>
+       *
+       * <code>bool enable_audio_redaction = 3;</code>
+       *
+       * @param value The enableAudioRedaction to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEnableAudioRedaction(boolean value) {
+
+        enableAudioRedaction_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * Enable audio redaction if it is true.
+       * </pre>
+       *
+       * <code>bool enable_audio_redaction = 3;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEnableAudioRedaction() {
+
+        enableAudioRedaction_ = false;
+        onChanged();
+        return this;
+      }
+
+      private int audioFormat_ = 0;
+      /**
+       *
+       *
+       * <pre>
+       * File format for exported audio file. Currently only in telephony
+       * recordings.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+       * </code>
+       *
+       * @return The enum numeric value on the wire for audioFormat.
+       */
+      @java.lang.Override
+      public int getAudioFormatValue() {
+        return audioFormat_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * File format for exported audio file. Currently only in telephony
+       * recordings.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for audioFormat to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAudioFormatValue(int value) {
+
+        audioFormat_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * File format for exported audio file. Currently only in telephony
+       * recordings.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+       * </code>
+       *
+       * @return The audioFormat.
+       */
+      @java.lang.Override
+      public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+          getAudioFormat() {
+        @SuppressWarnings("deprecation")
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+            result =
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                    .AudioFormat.valueOf(audioFormat_);
+        return result == null
+            ? com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                .AudioFormat.UNRECOGNIZED
+            : result;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * File format for exported audio file. Currently only in telephony
+       * recordings.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+       * </code>
+       *
+       * @param value The audioFormat to set.
+       * @return This builder for chaining.
+       */
+      public Builder setAudioFormat(
+          com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat
+              value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+
+        audioFormat_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * File format for exported audio file. Currently only in telephony
+       * recordings.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.AudioFormat audio_format = 4;
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearAudioFormat() {
+
+        audioFormat_ = 0;
+        onChanged();
+        return this;
+      }
 
-    private static final com.google.protobuf.Internal.EnumLiteMap<PurgeDataType> internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap<PurgeDataType>() {
-          public PurgeDataType findValueByNumber(int number) {
-            return PurgeDataType.forNumber(number);
-          }
-        };
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
 
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
-      if (this == UNRECOGNIZED) {
-        throw new java.lang.IllegalStateException(
-            "Can't get the descriptor of an unrecognized enum value.");
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
       }
-      return getDescriptor().getValues().get(ordinal());
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
     }
 
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
-      return getDescriptor();
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings)
+    private static final com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
-      return com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.getDescriptor()
-          .getEnumTypes()
-          .get(2);
+    public static com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
     }
 
-    private static final PurgeDataType[] VALUES = values();
+    private static final com.google.protobuf.Parser<AudioExportSettings> PARSER =
+        new com.google.protobuf.AbstractParser<AudioExportSettings>() {
+          @java.lang.Override
+          public AudioExportSettings parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            return new AudioExportSettings(input, extensionRegistry);
+          }
+        };
 
-    public static PurgeDataType valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
-      if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
-      }
-      if (desc.getIndex() == -1) {
-        return UNRECOGNIZED;
-      }
-      return VALUES[desc.getIndex()];
+    public static com.google.protobuf.Parser<AudioExportSettings> parser() {
+      return PARSER;
     }
 
-    private final int value;
-
-    private PurgeDataType(int value) {
-      this.value = value;
+    @java.lang.Override
+    public com.google.protobuf.Parser<AudioExportSettings> getParserForType() {
+      return PARSER;
     }
 
-    // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.cx.v3beta1.SecuritySettings.PurgeDataType)
+    @java.lang.Override
+    public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
   }
 
   public interface InsightsExportSettingsOrBuilder
@@ -1778,6 +3218,91 @@ public int getPurgeDataTypesValue(int index) {
 
   private int purgeDataTypesMemoizedSerializedSize;
 
+  public static final int AUDIO_EXPORT_SETTINGS_FIELD_NUMBER = 12;
+  private com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+      audioExportSettings_;
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   *
+   * @return Whether the audioExportSettings field is set.
+   */
+  @java.lang.Override
+  public boolean hasAudioExportSettings() {
+    return audioExportSettings_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   *
+   * @return The audioExportSettings.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+      getAudioExportSettings() {
+    return audioExportSettings_ == null
+        ? com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+            .getDefaultInstance()
+        : audioExportSettings_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder
+      getAudioExportSettingsOrBuilder() {
+    return getAudioExportSettings();
+  }
+
   public static final int INSIGHTS_EXPORT_SETTINGS_FIELD_NUMBER = 13;
   private com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.InsightsExportSettings
       insightsExportSettings_;
@@ -1891,6 +3416,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inspectTemplate_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 9, inspectTemplate_);
     }
+    if (audioExportSettings_ != null) {
+      output.writeMessage(12, getAudioExportSettings());
+    }
     if (insightsExportSettings_ != null) {
       output.writeMessage(13, getInsightsExportSettings());
     }
@@ -1945,6 +3473,10 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inspectTemplate_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(9, inspectTemplate_);
     }
+    if (audioExportSettings_ != null) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(12, getAudioExportSettings());
+    }
     if (insightsExportSettings_ != null) {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(13, getInsightsExportSettings());
@@ -1975,6 +3507,10 @@ public boolean equals(final java.lang.Object obj) {
     if (!getInspectTemplate().equals(other.getInspectTemplate())) return false;
     if (!getDeidentifyTemplate().equals(other.getDeidentifyTemplate())) return false;
     if (!purgeDataTypes_.equals(other.purgeDataTypes_)) return false;
+    if (hasAudioExportSettings() != other.hasAudioExportSettings()) return false;
+    if (hasAudioExportSettings()) {
+      if (!getAudioExportSettings().equals(other.getAudioExportSettings())) return false;
+    }
     if (hasInsightsExportSettings() != other.hasInsightsExportSettings()) return false;
     if (hasInsightsExportSettings()) {
       if (!getInsightsExportSettings().equals(other.getInsightsExportSettings())) return false;
@@ -2014,6 +3550,10 @@ public int hashCode() {
       hash = (37 * hash) + PURGE_DATA_TYPES_FIELD_NUMBER;
       hash = (53 * hash) + purgeDataTypes_.hashCode();
     }
+    if (hasAudioExportSettings()) {
+      hash = (37 * hash) + AUDIO_EXPORT_SETTINGS_FIELD_NUMBER;
+      hash = (53 * hash) + getAudioExportSettings().hashCode();
+    }
     if (hasInsightsExportSettings()) {
       hash = (37 * hash) + INSIGHTS_EXPORT_SETTINGS_FIELD_NUMBER;
       hash = (53 * hash) + getInsightsExportSettings().hashCode();
@@ -2188,6 +3728,12 @@ public Builder clear() {
 
       purgeDataTypes_ = java.util.Collections.emptyList();
       bitField0_ = (bitField0_ & ~0x00000001);
+      if (audioExportSettingsBuilder_ == null) {
+        audioExportSettings_ = null;
+      } else {
+        audioExportSettings_ = null;
+        audioExportSettingsBuilder_ = null;
+      }
       if (insightsExportSettingsBuilder_ == null) {
         insightsExportSettings_ = null;
       } else {
@@ -2238,6 +3784,11 @@ public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings buildPartial() {
         bitField0_ = (bitField0_ & ~0x00000001);
       }
       result.purgeDataTypes_ = purgeDataTypes_;
+      if (audioExportSettingsBuilder_ == null) {
+        result.audioExportSettings_ = audioExportSettings_;
+      } else {
+        result.audioExportSettings_ = audioExportSettingsBuilder_.build();
+      }
       if (insightsExportSettingsBuilder_ == null) {
         result.insightsExportSettings_ = insightsExportSettings_;
       } else {
@@ -2326,6 +3877,9 @@ public Builder mergeFrom(com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings
         }
         onChanged();
       }
+      if (other.hasAudioExportSettings()) {
+        mergeAudioExportSettings(other.getAudioExportSettings());
+      }
       if (other.hasInsightsExportSettings()) {
         mergeInsightsExportSettings(other.getInsightsExportSettings());
       }
@@ -3534,6 +5088,302 @@ public Builder addAllPurgeDataTypesValue(java.lang.Iterable<java.lang.Integer> v
       return this;
     }
 
+    private com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        audioExportSettings_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings,
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder,
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder>
+        audioExportSettingsBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     *
+     * @return Whether the audioExportSettings field is set.
+     */
+    public boolean hasAudioExportSettings() {
+      return audioExportSettingsBuilder_ != null || audioExportSettings_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     *
+     * @return The audioExportSettings.
+     */
+    public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+        getAudioExportSettings() {
+      if (audioExportSettingsBuilder_ == null) {
+        return audioExportSettings_ == null
+            ? com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                .getDefaultInstance()
+            : audioExportSettings_;
+      } else {
+        return audioExportSettingsBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public Builder setAudioExportSettings(
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings value) {
+      if (audioExportSettingsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        audioExportSettings_ = value;
+        onChanged();
+      } else {
+        audioExportSettingsBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public Builder setAudioExportSettings(
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder
+            builderForValue) {
+      if (audioExportSettingsBuilder_ == null) {
+        audioExportSettings_ = builderForValue.build();
+        onChanged();
+      } else {
+        audioExportSettingsBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public Builder mergeAudioExportSettings(
+        com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings value) {
+      if (audioExportSettingsBuilder_ == null) {
+        if (audioExportSettings_ != null) {
+          audioExportSettings_ =
+              com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                  .newBuilder(audioExportSettings_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          audioExportSettings_ = value;
+        }
+        onChanged();
+      } else {
+        audioExportSettingsBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public Builder clearAudioExportSettings() {
+      if (audioExportSettingsBuilder_ == null) {
+        audioExportSettings_ = null;
+        onChanged();
+      } else {
+        audioExportSettings_ = null;
+        audioExportSettingsBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder
+        getAudioExportSettingsBuilder() {
+
+      onChanged();
+      return getAudioExportSettingsFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    public com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder
+        getAudioExportSettingsOrBuilder() {
+      if (audioExportSettingsBuilder_ != null) {
+        return audioExportSettingsBuilder_.getMessageOrBuilder();
+      } else {
+        return audioExportSettings_ == null
+            ? com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+                .getDefaultInstance()
+            : audioExportSettings_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Controls audio export settings for post-conversation analytics when
+     * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+     * [Participants.StreamingAnalyzeContent][].
+     * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+     * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+     * If audio export is enabled, audio is recorded and saved to
+     * [audio_export_settings.gcs_bucket][], subject to retention policy of
+     * [audio_export_settings.gcs_bucket][].
+     * This setting won't effect audio input for implicit sessions via
+     * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings,
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder,
+            com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder>
+        getAudioExportSettingsFieldBuilder() {
+      if (audioExportSettingsBuilder_ == null) {
+        audioExportSettingsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings,
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings.Builder,
+                com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings
+                    .AudioExportSettingsOrBuilder>(
+                getAudioExportSettings(), getParentForChildren(), isClean());
+        audioExportSettings_ = null;
+      }
+      return audioExportSettingsBuilder_;
+    }
+
     private com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.InsightsExportSettings
         insightsExportSettings_;
     private com.google.protobuf.SingleFieldBuilderV3<
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsName.java
index 9369f321f..d63ff3e6e 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
index c014104bd..d300d5e09 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
@@ -359,6 +359,76 @@ com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.PurgeDataType getPurgeDa
    */
   int getPurgeDataTypesValue(int index);
 
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   *
+   * @return Whether the audioExportSettings field is set.
+   */
+  boolean hasAudioExportSettings();
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   *
+   * @return The audioExportSettings.
+   */
+  com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings
+      getAudioExportSettings();
+  /**
+   *
+   *
+   * <pre>
+   * Controls audio export settings for post-conversation analytics when
+   * ingesting audio to conversations via [Participants.AnalyzeContent][] or
+   * [Participants.StreamingAnalyzeContent][].
+   * If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+   * [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+   * If audio export is enabled, audio is recorded and saved to
+   * [audio_export_settings.gcs_bucket][], subject to retention policy of
+   * [audio_export_settings.gcs_bucket][].
+   * This setting won't effect audio input for implicit sessions via
+   * [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettings audio_export_settings = 12;
+   * </code>
+   */
+  com.google.cloud.dialogflow.cx.v3beta1.SecuritySettings.AudioExportSettingsOrBuilder
+      getAudioExportSettingsOrBuilder();
+
   /**
    *
    *
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsProto.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsProto.java
index e577baa37..6b48dbaf6 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsProto.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsProto.java
@@ -55,6 +55,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_InsightsExportSettings_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -95,7 +99,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + ".cloud.dialogflow.cx.v3beta1.SecuritySet"
           + "tingsB\003\340A\002\"a\n\035DeleteSecuritySettingsRequ"
           + "est\022@\n\004name\030\001 \001(\tB2\340A\002\372A,\n*dialogflow.go"
-          + "ogleapis.com/SecuritySettings\"\252\010\n\020Securi"
+          + "ogleapis.com/SecuritySettings\"\263\013\n\020Securi"
           + "tySettings\022\014\n\004name\030\001 \001(\t\022\031\n\014display_name"
           + "\030\002 \001(\tB\003\340A\002\022b\n\022redaction_strategy\030\003 \001(\0162"
           + "F.google.cloud.dialogflow.cx.v3beta1.Sec"
@@ -108,71 +112,81 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "is.com/DeidentifyTemplate\022\037\n\025retention_w"
           + "indow_days\030\006 \001(\005H\000\022\\\n\020purge_data_types\030\010"
           + " \003(\0162B.google.cloud.dialogflow.cx.v3beta"
-          + "1.SecuritySettings.PurgeDataType\022m\n\030insi"
-          + "ghts_export_settings\030\r \001(\0132K.google.clou"
-          + "d.dialogflow.cx.v3beta1.SecuritySettings"
-          + ".InsightsExportSettings\0328\n\026InsightsExpor"
-          + "tSettings\022\036\n\026enable_insights_export\030\001 \001("
-          + "\010\"P\n\021RedactionStrategy\022\"\n\036REDACTION_STRA"
-          + "TEGY_UNSPECIFIED\020\000\022\027\n\023REDACT_WITH_SERVIC"
-          + "E\020\001\"J\n\016RedactionScope\022\037\n\033REDACTION_SCOPE"
-          + "_UNSPECIFIED\020\000\022\027\n\023REDACT_DISK_STORAGE\020\002\""
-          + "H\n\rPurgeDataType\022\037\n\033PURGE_DATA_TYPE_UNSP"
-          + "ECIFIED\020\000\022\026\n\022DIALOGFLOW_HISTORY\020\001:}\352Az\n*"
-          + "dialogflow.googleapis.com/SecuritySettin"
-          + "gs\022Lprojects/{project}/locations/{locati"
-          + "on}/securitySettings/{security_settings}"
-          + "B\020\n\016data_retention2\265\n\n\027SecuritySettingsS"
-          + "ervice\022\202\002\n\026CreateSecuritySettings\022A.goog"
-          + "le.cloud.dialogflow.cx.v3beta1.CreateSec"
-          + "uritySettingsRequest\0324.google.cloud.dial"
-          + "ogflow.cx.v3beta1.SecuritySettings\"o\202\323\344\223"
-          + "\002N\"9/v3beta1/{parent=projects/*/location"
-          + "s/*}/securitySettings:\021security_settings"
-          + "\332A\030parent,security_settings\022\325\001\n\023GetSecur"
-          + "itySettings\022>.google.cloud.dialogflow.cx"
-          + ".v3beta1.GetSecuritySettingsRequest\0324.go"
-          + "ogle.cloud.dialogflow.cx.v3beta1.Securit"
-          + "ySettings\"H\202\323\344\223\002;\0229/v3beta1/{name=projec"
-          + "ts/*/locations/*/securitySettings/*}\332A\004n"
-          + "ame\022\232\002\n\026UpdateSecuritySettings\022A.google."
-          + "cloud.dialogflow.cx.v3beta1.UpdateSecuri"
-          + "tySettingsRequest\0324.google.cloud.dialogf"
-          + "low.cx.v3beta1.SecuritySettings\"\206\001\202\323\344\223\002`"
-          + "2K/v3beta1/{security_settings.name=proje"
-          + "cts/*/locations/*/securitySettings/*}:\021s"
-          + "ecurity_settings\332A\035security_settings,upd"
-          + "ate_mask\022\345\001\n\024ListSecuritySettings\022?.goog"
-          + "le.cloud.dialogflow.cx.v3beta1.ListSecur"
-          + "itySettingsRequest\032@.google.cloud.dialog"
-          + "flow.cx.v3beta1.ListSecuritySettingsResp"
-          + "onse\"J\202\323\344\223\002;\0229/v3beta1/{parent=projects/"
-          + "*/locations/*}/securitySettings\332A\006parent"
-          + "\022\275\001\n\026DeleteSecuritySettings\022A.google.clo"
-          + "ud.dialogflow.cx.v3beta1.DeleteSecurityS"
-          + "ettingsRequest\032\026.google.protobuf.Empty\"H"
-          + "\202\323\344\223\002;*9/v3beta1/{name=projects/*/locati"
-          + "ons/*/securitySettings/*}\332A\004name\032x\312A\031dia"
-          + "logflow.googleapis.com\322AYhttps://www.goo"
-          + "gleapis.com/auth/cloud-platform,https://"
-          + "www.googleapis.com/auth/dialogflowB\204\005\n&c"
-          + "om.google.cloud.dialogflow.cx.v3beta1B\025S"
-          + "ecuritySettingsProtoP\001ZDgoogle.golang.or"
-          + "g/genproto/googleapis/cloud/dialogflow/c"
-          + "x/v3beta1;cx\370\001\001\242\002\002DF\252\002\"Google.Cloud.Dial"
-          + "ogflow.Cx.V3Beta1\352\002&Google::Cloud::Dialo"
-          + "gflow::CX::V3beta1\352A\310\001\n\"dlp.googleapis.c"
-          + "om/InspectTemplate\022Uorganizations/{organ"
-          + "ization}/locations/{location}/inspectTem"
-          + "plates/{inspect_template}\022Kprojects/{pro"
-          + "ject}/locations/{location}/inspectTempla"
-          + "tes/{inspect_template}\352A\327\001\n%dlp.googleap"
-          + "is.com/DeidentifyTemplate\022[organizations"
-          + "/{organization}/locations/{location}/dei"
-          + "dentifyTemplates/{deidentify_template}\022Q"
-          + "projects/{project}/locations/{location}/"
-          + "deidentifyTemplates/{deidentify_template"
-          + "}b\006proto3"
+          + "1.SecuritySettings.PurgeDataType\022g\n\025audi"
+          + "o_export_settings\030\014 \001(\0132H.google.cloud.d"
+          + "ialogflow.cx.v3beta1.SecuritySettings.Au"
+          + "dioExportSettings\022m\n\030insights_export_set"
+          + "tings\030\r \001(\0132K.google.cloud.dialogflow.cx"
+          + ".v3beta1.SecuritySettings.InsightsExport"
+          + "Settings\032\235\002\n\023AudioExportSettings\022\022\n\ngcs_"
+          + "bucket\030\001 \001(\t\022\034\n\024audio_export_pattern\030\002 \001"
+          + "(\t\022\036\n\026enable_audio_redaction\030\003 \001(\010\022j\n\014au"
+          + "dio_format\030\004 \001(\0162T.google.cloud.dialogfl"
+          + "ow.cx.v3beta1.SecuritySettings.AudioExpo"
+          + "rtSettings.AudioFormat\"H\n\013AudioFormat\022\034\n"
+          + "\030AUDIO_FORMAT_UNSPECIFIED\020\000\022\t\n\005MULAW\020\001\022\007"
+          + "\n\003MP3\020\002\022\007\n\003OGG\020\003\0328\n\026InsightsExportSettin"
+          + "gs\022\036\n\026enable_insights_export\030\001 \001(\010\"P\n\021Re"
+          + "dactionStrategy\022\"\n\036REDACTION_STRATEGY_UN"
+          + "SPECIFIED\020\000\022\027\n\023REDACT_WITH_SERVICE\020\001\"J\n\016"
+          + "RedactionScope\022\037\n\033REDACTION_SCOPE_UNSPEC"
+          + "IFIED\020\000\022\027\n\023REDACT_DISK_STORAGE\020\002\"H\n\rPurg"
+          + "eDataType\022\037\n\033PURGE_DATA_TYPE_UNSPECIFIED"
+          + "\020\000\022\026\n\022DIALOGFLOW_HISTORY\020\001:}\352Az\n*dialogf"
+          + "low.googleapis.com/SecuritySettings\022Lpro"
+          + "jects/{project}/locations/{location}/sec"
+          + "uritySettings/{security_settings}B\020\n\016dat"
+          + "a_retention2\265\n\n\027SecuritySettingsService\022"
+          + "\202\002\n\026CreateSecuritySettings\022A.google.clou"
+          + "d.dialogflow.cx.v3beta1.CreateSecuritySe"
+          + "ttingsRequest\0324.google.cloud.dialogflow."
+          + "cx.v3beta1.SecuritySettings\"o\202\323\344\223\002N\"9/v3"
+          + "beta1/{parent=projects/*/locations/*}/se"
+          + "curitySettings:\021security_settings\332A\030pare"
+          + "nt,security_settings\022\325\001\n\023GetSecuritySett"
+          + "ings\022>.google.cloud.dialogflow.cx.v3beta"
+          + "1.GetSecuritySettingsRequest\0324.google.cl"
+          + "oud.dialogflow.cx.v3beta1.SecuritySettin"
+          + "gs\"H\202\323\344\223\002;\0229/v3beta1/{name=projects/*/lo"
+          + "cations/*/securitySettings/*}\332A\004name\022\232\002\n"
+          + "\026UpdateSecuritySettings\022A.google.cloud.d"
+          + "ialogflow.cx.v3beta1.UpdateSecuritySetti"
+          + "ngsRequest\0324.google.cloud.dialogflow.cx."
+          + "v3beta1.SecuritySettings\"\206\001\202\323\344\223\002`2K/v3be"
+          + "ta1/{security_settings.name=projects/*/l"
+          + "ocations/*/securitySettings/*}:\021security"
+          + "_settings\332A\035security_settings,update_mas"
+          + "k\022\345\001\n\024ListSecuritySettings\022?.google.clou"
+          + "d.dialogflow.cx.v3beta1.ListSecuritySett"
+          + "ingsRequest\032@.google.cloud.dialogflow.cx"
+          + ".v3beta1.ListSecuritySettingsResponse\"J\202"
+          + "\323\344\223\002;\0229/v3beta1/{parent=projects/*/locat"
+          + "ions/*}/securitySettings\332A\006parent\022\275\001\n\026De"
+          + "leteSecuritySettings\022A.google.cloud.dial"
+          + "ogflow.cx.v3beta1.DeleteSecuritySettings"
+          + "Request\032\026.google.protobuf.Empty\"H\202\323\344\223\002;*"
+          + "9/v3beta1/{name=projects/*/locations/*/s"
+          + "ecuritySettings/*}\332A\004name\032x\312A\031dialogflow"
+          + ".googleapis.com\322AYhttps://www.googleapis"
+          + ".com/auth/cloud-platform,https://www.goo"
+          + "gleapis.com/auth/dialogflowB\204\005\n&com.goog"
+          + "le.cloud.dialogflow.cx.v3beta1B\025Security"
+          + "SettingsProtoP\001ZDgoogle.golang.org/genpr"
+          + "oto/googleapis/cloud/dialogflow/cx/v3bet"
+          + "a1;cx\370\001\001\242\002\002DF\252\002\"Google.Cloud.Dialogflow."
+          + "Cx.V3Beta1\352\002&Google::Cloud::Dialogflow::"
+          + "CX::V3beta1\352A\310\001\n\"dlp.googleapis.com/Insp"
+          + "ectTemplate\022Uorganizations/{organization"
+          + "}/locations/{location}/inspectTemplates/"
+          + "{inspect_template}\022Kprojects/{project}/l"
+          + "ocations/{location}/inspectTemplates/{in"
+          + "spect_template}\352A\327\001\n%dlp.googleapis.com/"
+          + "DeidentifyTemplate\022[organizations/{organ"
+          + "ization}/locations/{location}/deidentify"
+          + "Templates/{deidentify_template}\022Qproject"
+          + "s/{project}/locations/{location}/deident"
+          + "ifyTemplates/{deidentify_template}b\006prot"
+          + "o3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -247,13 +261,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "DeidentifyTemplate",
               "RetentionWindowDays",
               "PurgeDataTypes",
+              "AudioExportSettings",
               "InsightsExportSettings",
               "DataRetention",
             });
-    internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_InsightsExportSettings_descriptor =
+    internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor =
         internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_descriptor
             .getNestedTypes()
             .get(0);
+    internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_AudioExportSettings_descriptor,
+            new java.lang.String[] {
+              "GcsBucket", "AudioExportPattern", "EnableAudioRedaction", "AudioFormat",
+            });
+    internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_InsightsExportSettings_descriptor =
+        internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_descriptor
+            .getNestedTypes()
+            .get(1);
     internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_InsightsExportSettings_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_cx_v3beta1_SecuritySettings_InsightsExportSettings_descriptor,
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypeName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypeName.java
index 07c0a62d5..4611f7fd8 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypeName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionEntityTypeName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionName.java
index d8b7e0bab..1b94405f9 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SessionName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseName.java
index 89f82f069..7b3f706c8 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseResultName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseResultName.java
index 3706ea52f..4eee2cb65 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseResultName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TestCaseResultName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupName.java
index be11c500b..76d73377d 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/TransitionRouteGroupName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionName.java
index d3d8242d1..4671a0290 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/VersionName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhookName.java b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhookName.java
index 49ea1fe63..efe1eafa8 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhookName.java
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/WebhookName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
index ecc742e33..366c6292c 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
@@ -213,6 +213,41 @@ message SecuritySettings {
     DIALOGFLOW_HISTORY = 1;
   }
 
+  // Settings for exporting audio.
+  message AudioExportSettings {
+    // File format for exported audio file. Currently only in telephony
+    // recordings.
+    enum AudioFormat {
+      // Unspecified. Do not use.
+      AUDIO_FORMAT_UNSPECIFIED = 0;
+
+      // G.711 mu-law PCM with 8kHz sample rate.
+      MULAW = 1;
+
+      // MP3 file format.
+      MP3 = 2;
+
+      // OGG Vorbis.
+      OGG = 3;
+    }
+
+    // Cloud Storage bucket to export audio record to. You need to grant
+    // `service-<Conversation Project
+    // Number>@gcp-sa-dialogflow.iam.gserviceaccount.com` the `Storage Object
+    // Admin` role in this bucket.
+    string gcs_bucket = 1;
+
+    // Filename pattern for exported audio.
+    string audio_export_pattern = 2;
+
+    // Enable audio redaction if it is true.
+    bool enable_audio_redaction = 3;
+
+    // File format for exported audio file. Currently only in telephony
+    // recordings.
+    AudioFormat audio_format = 4;
+  }
+
   // Settings for exporting conversations to
   // [Insights](https://cloud.google.com/contact-center/insights/docs).
   message InsightsExportSettings {
@@ -302,6 +337,21 @@ message SecuritySettings {
   // List of types of data to remove when retention settings triggers purge.
   repeated PurgeDataType purge_data_types = 8;
 
+  // Controls audio export settings for post-conversation analytics when
+  // ingesting audio to conversations via [Participants.AnalyzeContent][] or
+  // [Participants.StreamingAnalyzeContent][].
+  //
+  // If [retention_strategy][google.cloud.dialogflow.cx.v3beta1.SecuritySettings.retention_strategy] is set to REMOVE_AFTER_CONVERSATION or
+  // [audio_export_settings.gcs_bucket][] is empty, audio export is disabled.
+  //
+  // If audio export is enabled, audio is recorded and saved to
+  // [audio_export_settings.gcs_bucket][], subject to retention policy of
+  // [audio_export_settings.gcs_bucket][].
+  //
+  // This setting won't effect audio input for implicit sessions via
+  // [Sessions.DetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.DetectIntent] or [Sessions.StreamingDetectIntent][google.cloud.dialogflow.cx.v3beta1.Sessions.StreamingDetectIntent].
+  AudioExportSettings audio_export_settings = 12;
+
   // Controls conversation exporting settings to Insights after conversation is
   // completed.
   //
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
index 65716909f..2fff5e205 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/session.proto
@@ -617,8 +617,22 @@ message QueryResult {
   Match match = 15;
 
   // The free-form diagnostic info. For example, this field could contain
-  // webhook call latency. The string keys of the Struct's fields map can change
-  // without notice.
+  // webhook call latency. The fields of this data can change without notice,
+  // so you should not write code that depends on its structure.
+  //
+  // One of the fields is called "Alternative Matched Intents", which may
+  // aid with debugging. The following describes these intent results:
+  //
+  // - The list is empty if no intent was matched to end-user input.
+  // - Only intents that are referenced in the currently active flow are
+  //   included.
+  // - The matched intent is included.
+  // - Other intents that could have matched end-user input, but did not match
+  //   because they are referenced by intent routes that are out of
+  //   [scope](https://cloud.google.com/dialogflow/cx/docs/concept/handler#scope),
+  //   are included.
+  // - Other intents referenced by intent routes in scope that matched end-user
+  //   input, but had a lower confidence score.
   google.protobuf.Struct diagnostic_info = 10;
 
   // The sentiment analyss result, which depends on