Delete dead code.

PiperOrigin-RevId: 511796738
Change-Id: I5fedd292d26379bda0b6cf669c5deda0037f2470

src/main/java/com/google/devtools/build/lib/actions/FilesetTraversalParams.java

@@ -15,22 +15,17 @@
 
 import com.google.auto.value.AutoValue;
 import com.google.auto.value.extension.memoized.Memoized;
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSortedSet;
-import com.google.devtools.build.lib.actions.Artifact.ArtifactExpander;
 import com.google.devtools.build.lib.cmdline.Label;
-import com.google.devtools.build.lib.events.EventHandler;
 import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.Instantiator;
 import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization;
 import com.google.devtools.build.lib.util.Fingerprint;
 import com.google.devtools.build.lib.vfs.Path;
 import com.google.devtools.build.lib.vfs.PathFragment;
 import com.google.devtools.build.lib.vfs.Root;
 import com.google.devtools.build.lib.vfs.RootedPath;
-import java.io.IOException;
 import java.util.Objects;
 import javax.annotation.Nullable;
-import net.starlark.java.syntax.Location;
 
 /**
  * Parameters of a filesystem traversal requested by a Fileset rule.
@@ -284,8 +279,7 @@ static DirectTraversal getDirectTraversal(
  * directory (when FilesetEntry.srcdir is specified) or traversal of a single file (when
  * FilesetEntry.files is specified). See {@link DirectTraversal} for more detail.
  *
- * <p>The returned value is non-null if and only if {@link #getNestedArtifact} is null and {@link
- * #additionalLinks} is null.
+ * <p>The returned value is non-null if and only if {@link #getNestedArtifact} is null.
  */
  @Nullable
  DirectTraversal getDirectTraversal();
@@ -295,36 +289,11 @@ static DirectTraversal getDirectTraversal(
  *
  * <p>A nested traversal is the traversal of another Fileset referenced by FilesetEntry.srcdir.
  *
- * <p>The value is non-null when {@link #getDirectTraversal} is absent and
- * {@link #additionalLinks} is null.
+ * <p>The value is non-null when {@link #getDirectTraversal} is absent.
  */
  @Nullable
  Artifact getNestedArtifact();
 
- /**
- * Returns a {@link LinkSupplier} to add a customized collection of links.
- *
- * <p>The value is non-null when {@link #getDirectTraversal} is absent and
- * {@link #getNestedArtifact} is null.
- */
- @Nullable
- LinkSupplier additionalLinks();
-
  /** Adds the fingerprint of this traversal object. */
  void fingerprint(Fingerprint fp);
-
- /**
- * A {@link LinkSupplier} returns a collection of {@link FilesetOutputSymlink} to include in the
- * Fileset.
- */
- interface LinkSupplier {
- ImmutableList<FilesetOutputSymlink> getLinks(
- EventHandler handler,
- Location location,
- ArtifactExpander artifactExpander,
- MetadataProvider metadataProvider)
- throws IOException;
-
- void fingerprint(Fingerprint fp);
- }
 }

src/main/java/com/google/devtools/build/lib/actions/FilesetTraversalParamsFactory.java

@@ -19,7 +19,6 @@
 import com.google.common.collect.ImmutableSortedSet;
 import com.google.common.collect.Ordering;
 import com.google.devtools.build.lib.actions.FilesetTraversalParams.DirectTraversalRoot;
-import com.google.devtools.build.lib.actions.FilesetTraversalParams.LinkSupplier;
 import com.google.devtools.build.lib.actions.FilesetTraversalParams.PackageBoundaryMode;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
@@ -145,27 +144,6 @@ public static FilesetTraversalParams nestedTraversal(
  return NestedTraversalParams.getNestedTraversal(ownerLabel, artifact, destPath, excludes);
  }
 
- /**
- * Creates traversal request parameters for a FilesetEntry returning a customized list of links.
- *
- * @param ownerLabel the rule that created this object
- * @param linkSupplier the {@link LinkSupplier} returning a custom list of links.
- * @param destPath path in the Fileset's output directory that will be the root of files coming
- * from the nested Fileset
- * @param excludes optional; set of files directly below (not in a subdirectory of) the nested
- * Fileset that should be excluded from the outer Fileset
- */
- public static FilesetTraversalParams knownTraversal(
- Label ownerLabel,
- LinkSupplier linkSupplier,
- PathFragment destPath,
- @Nullable Set<String> excludes) {
- return KnownLinksTraversalParams.getKnownLinksTraversal(ownerLabel, linkSupplier, destPath,
- excludes);
- }
-
-
-
  private static ImmutableSortedSet<String> getOrderedExcludes(@Nullable Set<String> excludes) {
  // Order the set for the sake of deterministic fingerprinting.
  return excludes == null
@@ -180,11 +158,6 @@ public Artifact getNestedArtifact() {
  return null;
  }
 
- @Override
- public LinkSupplier additionalLinks() {
- return null;
- }
-
  @Memoized
  @Override
  public abstract int hashCode();
@@ -231,11 +204,6 @@ public DirectTraversal getDirectTraversal() {
  return null;
  }
 
- @Override
- public LinkSupplier additionalLinks() {
- return null;
- }
-
  @Memoized
  @Override
  public abstract int hashCode();
@@ -265,46 +233,4 @@ static NestedTraversalParams getNestedTraversal(
  ownerLabelForErrorMessages, destPath, getOrderedExcludes(excludes), nestedArtifact);
  }
  }
-
- @AutoValue
- abstract static class KnownLinksTraversalParams implements FilesetTraversalParams {
- @Override
- public DirectTraversal getDirectTraversal() {
- return null;
- }
-
- @Override
- public Artifact getNestedArtifact() {
- return null;
- }
-
- @Memoized
- @Override
- public abstract int hashCode();
-
- @Memoized
- protected byte[] getFingerprint() {
- Fingerprint fp = new Fingerprint();
- fp.addPath(getDestPath());
- if (!getExcludedFiles().isEmpty()) {
- fp.addStrings(getExcludedFiles());
- }
- additionalLinks().fingerprint(fp);
- return fp.digestAndReset();
- }
-
- @Override
- public void fingerprint(Fingerprint fp) {
- fp.addBytes(getFingerprint());
- }
-
- static KnownLinksTraversalParams getKnownLinksTraversal(
- Label ownerLabelForErrorMessages,
- LinkSupplier additionalLinks,
- PathFragment destPath,
- @Nullable Set<String> excludes) {
- return new AutoValue_FilesetTraversalParamsFactory_KnownLinksTraversalParams(
- ownerLabelForErrorMessages, destPath, getOrderedExcludes(excludes), additionalLinks);
- }
- }
 }