// TODO(jlevy): Wrap factory to validate that the supplied maps are empty?
    return new StandardTable<>(backingMap, factory);
  }

  /**
   * Returns a view of a table where each value is transformed by a function. All other properties
   * of the table, such as iteration order, are left intact.
   *
   * <p>Changes in the underlying table are reflected in this view. Conversely, this view supports

    // TODO(jlevy): Wrap factory to validate that the supplied maps are empty?
    return new StandardTable<>(backingMap, factory);
  }

  /**
   * Returns a view of a table where each value is transformed by a function. All other properties
   * of the table, such as iteration order, are left intact.
   *
   * <p>Changes in the underlying table are reflected in this view. Conversely, this view supports

              <!-- internal field removed -->
              <exclude>org.apache.maven.graph.DefaultGraphBuilder#projectBuilder</exclude>
              <!-- MavenPluginValidator has been transformed into an interface -->
              <exclude>org.apache.maven.plugin.MavenPluginValidator</exclude>
              <!-- Remove plexus logger -->

	// Transform returns a new copy of the selector after TransformFunc has been
	// applied to the entire selector, or an error if fn returns an error.
	// If for a given requirement both field and value are transformed to empty
	// string, the requirement is skipped.
	Transform(fn TransformFunc) (Selector, error)

	// Requirements converts this interface to Requirements to expose
	// more detailed selection information.

//	func _(T, int) string { ... }
//
// In this way, the raw function bodies and const/var initializer
// expressions are preserved but refer to the "cooked" objects imported
// from "·this·", and none of the transformed package-level declarations
// actually declares anything. In the example above, the reference to k
// in the argument of the call to C.malloc resolves to "·this·".k, which
// has an accurate type.
//

     * transformations on the remote repositories being used. For example if you replace existing repositories with
     * mirrors then it's easier to just replace the whole list with a new list of transformed repositories.
     *
     * @param repositories
     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setRemoteRepositories(List<ArtifactRepository> repositories);

   * <p><b>Java 9 users:</b> some use cases can be written with calls to {@code optional.stream()}.
   *
   * @since 11.0
   */
  public abstract Set<T> asSet();

  /**
   * If the instance is present, it is transformed with the given {@link Function}; otherwise,
   * {@link Optional#absent} is returned.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method is similar to Java 8's {@code

    public TestNameTestDirectoryProvider tmpDir = new TestNameTestDirectoryProvider(getClass())

    def failure = new RuntimeException("main")
    def transformedException = new RuntimeException("transformed")

    def setup() {
        _ * exceptionAnalyser.transform(failure) >> transformedException
        def taskGraph = Stub(TaskExecutionGraphInternal)
        _ * gradleMock.taskGraph >> taskGraph

	return func() (State, error) {
		transformer, encObject, cacheKey, errGen := GenerateTransformer(ctx, string(uuid.NewUUID()), envelopeService, useSeed)
		if errGen != nil {
			return State{}, errGen
		}
		return State{
			Transformer:         transformer,
			EncryptedObject:     *encObject,
			UID:                 "panda",

                eachFile { fcd -> fcd.relativePath = fcd.relativePath.prepend('transformed') }
            }
        '''.stripIndent()

        when:
        run 'copy'

        then:
        file('dest').assertHasDescendants(
            'transformedAgain/transformed/subdir/one/one.a',
            'transformedAgain/transformed/subdir/two/two.a',
            'subdir/one',
            'subdir/two'