/guava/guava/src/com/google/common/collect/Sets.java
return forward.tailSet( toElement) .descendingSet( ) ;
return forward.tailSet ( toElement, inclusive ) .descendingSet ( ) ;
@Override public SortedSet<E> subSet(@ParametricNullness E fromElement, @ParametricNullness E toElement) { return standardSubSet(fromElement, toElement); } @Override public NavigableSet<E> headSet(@ParametricNullness E toElement, boolean inclusive) { <extra_id_0> } @Override public SortedSet<E> headSet(@ParametricNullness E toElement) { return standardHeadSet(toElement); } @Override