/guava/guava/src/com/google/common/collect/ForwardingSortedSet.java
return delegate( ).subSet( toElement, fromElement) ;
return delegate ( ) .subSet ( fromElement, toElement ) ;
@ParametricNullness public E last() { return delegate().last(); } @Override public SortedSet<E> subSet(@ParametricNullness E fromElement, @ParametricNullness E toElement) { <extra_id_0> } @Override public SortedSet<E> tailSet(@ParametricNullness E fromElement) { return delegate().tailSet(fromElement); } @Override