(getAncestor() == null) ? this : getAncestor());
    }

    /** ListIterator decorator. */
    private final class WrappedListIterator extends WrappedIterator implements ListIterator<V> {
      WrappedListIterator() {}

      WrappedListIterator(int index) {
        super(getListDelegate().listIterator(index));
      }

      private ListIterator<V> getDelegateListIterator() {