return new AbstractListWrapper<>(list).listIterator(index);
  }

  /** An implementation of {@link List#subList(int, int)}. */
  static <E extends @Nullable Object> List<E> subListImpl(
      List<E> list, int fromIndex, int toIndex) {
    List<E> wrapper;
    if (list instanceof RandomAccess) {
      wrapper =
          new RandomAccessListWrapper<E>(list) {
            @Override

    return new AbstractListWrapper<>(list).listIterator(index);
  }

  /** An implementation of {@link List#subList(int, int)}. */
  static <E extends @Nullable Object> List<E> subListImpl(
      List<E> list, int fromIndex, int toIndex) {
    List<E> wrapper;
    if (list instanceof RandomAccess) {
      wrapper =
          new RandomAccessListWrapper<E>(list) {
            @Override

   * methods, you may wish to override {@link #subList(int, int)} to forward to this implementation.
   *
   * @since 7.0
   */
  protected List<E> standardSubList(int fromIndex, int toIndex) {
    return Lists.subListImpl(this, fromIndex, toIndex);
  }

  /**
   * A sensible definition of {@link #equals(Object)} in terms of {@link #size} and {@link
   * #iterator}. If you override either of those methods, you may wish to override {@link

   * methods, you may wish to override {@link #subList(int, int)} to forward to this implementation.
   *
   * @since 7.0
   */
  protected List<E> standardSubList(int fromIndex, int toIndex) {
    return Lists.subListImpl(this, fromIndex, toIndex);
  }

  /**
   * A sensible definition of {@link #equals(Object)} in terms of {@link #size} and {@link
   * #iterator}. If you override either of those methods, you may wish to override {@link

  @Override
  public UnmodifiableIterator<E> iterator() {
    return listIterator();
  }

  @Override
  public ImmutableList<E> subList(int fromIndex, int toIndex) {
    return unsafeDelegateList(Lists.subListImpl(this, fromIndex, toIndex));
  }

  @Override
  public UnmodifiableListIterator<E> listIterator() {
    return listIterator(0);
  }

  @Override