return reverse(forwardList.subList(reversePosition(toIndex), reversePosition(fromIndex)));
    }

    @Override
    public Iterator<T> iterator() {
      return listIterator();
    }

    @Override
    public ListIterator<T> listIterator(int index) {
      int start = reversePosition(index);
      ListIterator<T> forwardIterator = forwardList.listIterator(start);

    }

    @Override
    public ImmutableList<E> subList(int fromIndex, int toIndex) {
      checkPositionIndexes(fromIndex, toIndex, size());
      return forwardList.subList(reversePosition(toIndex), reversePosition(fromIndex)).reverse();
    }

    @Override
    public E get(int index) {
      checkElementIndex(index, size());
      return forwardList.get(reverseIndex(index));
    }

    }

    @Override
    public ImmutableList<E> subList(int fromIndex, int toIndex) {
      checkPositionIndexes(fromIndex, toIndex, size());
      return forwardList.subList(reversePosition(toIndex), reversePosition(fromIndex)).reverse();
    }

    @Override
    public E get(int index) {
      checkElementIndex(index, size());
      return forwardList.get(reverseIndex(index));
    }