guava/src/com/google/common/collect/ForwardingList.java
@Beta
  protected List<E> standardSubList(int fromIndex, int toIndex) {
    return Lists.subListImpl(this, fromIndex, toIndex);
  }
@Beta
  protected List<E> standardSubList(int fromIndex, int toIndex) {
    return Lists.subListImpl(this, fromIndex, toIndex);
  }
A sensible default implementation of {@link #subList(int, int)}. If you override any other
methods, you may wish to override {@link #subList(int, int)} to forward to this implementation.

@since 7.0