*
   * @deprecated Use {@link com.google.common.graph.Traverser#depthFirstPostOrder} instead, which
   *     has the same behavior.
   */
  @Deprecated
  public final FluentIterable<T> postOrderTraversal(final T root) {
    checkNotNull(root);
    return new FluentIterable<T>() {
      @Override
      public UnmodifiableIterator<T> iterator() {
        return postOrderIterator(root);
      }