value.visitContents(child -> child.visitStructure(new FileCollectionStructureVisitor() {
            @Override
            public void visitCollection(Source source, Iterable<File> contents) {
                ImmutableSet<File> files = ImmutableSet.copyOf(contents);
                if (!files.isEmpty()) {
                    builder.add(new FileCollectionAdapter(new ListBackedFileSet(files), taskDependencyFactory, patternSetFactory));

   * the set is the same as the ordering of the given contents.
   */
  private static <E> void verifyLinkedHashSetContents(
      LinkedHashSet<E> set, Collection<E> contents) {
    assertEquals(
        "LinkedHashSet should have preserved order for iteration",
        new ArrayList<E>(set),
        new ArrayList<E>(contents));
    verifySetContents(set, contents);
  }

  /**

                @Override
                public void visitCollection(FileCollectionInternal.Source source, Iterable<File> contents) {
                    contents.forEach(location -> taskInputs.add(location.getAbsolutePath()));
                }

                @Override

     *
     * @return the display name
     */
    String getDisplayName();

    /**
     * Appends diagnostic information about the contents of this collection to the given formatter.
     */
    TreeFormatter describeContents(TreeFormatter formatter);

    /**

    /**
     * <p>Returns a directory which this task can use to write temporary files to. Each task instance is provided with a
     * separate temporary directory. There are no guarantees that the contents of this directory will be kept beyond the
     * execution of the task.</p>
     *
     * @return The directory. Never returns null. The directory will already exist.
     */
    @Internal

    }

    public ResolutionHost resolutionHost(String displayName) {
        return new NameBackedResolutionHost(displayName);
    }

    /**
     * Presents the contents of the given artifacts as a partial {@link FileCollectionInternal} implementation.
     *
     * <p>This produces only a minimal implementation to use for artifact sets loaded from the configuration cache

        this.artifacts = artifacts;

        // flush the calculated artifactMap
        artifactMap = null;
    }

    /**
     * All dependencies that this project has, including transitive ones. Contents are lazily populated, so depending on
     * what phases have run dependencies in some scopes won't be included. e.g. if only compile phase has run,
     * dependencies with scope test won't be included.
     *

            /**
             * Creates a set that selects the artifacts from this set that match the given criteria.
             * Implementations are lazy, so that the selection happens only when the contents are queried.
             *
             * @param dependencySpec Select only those artifacts reachable from first level dependencies that match the given spec.
             */

import java.io.IOException;

/**
 * A lossy attribute container serializer. It's lossy because it doesn't preserve the attribute
 * types: it will serialize the contents as strings, and read them as strings, only for reporting
 * purposes.
 */
@ServiceScope(Scope.BuildSession.class)

        } else if (isFileInfo(value)) {
            return invokeMethod(value, "getPath", String.class);
        } else {
            return value.toString();
        }
    }

    /**
     * Returns the contents of a {@code FileInfo} or null if the value is not a {@code FileInfo}.
     */
    @Nullable
    private static byte[] getContentsOrNull(@Nullable Object value) throws Exception {
        if (isFileInfo(value)) {