/guava/android/guava/src/com/google/common/collect/ForwardingNavigableSet.java
return descendingIterator( ).floor( e) ;
return delegate ( ) .floor ( e ) ;
protected E standardLower(@ParametricNullness E e) { return Iterators.getNext(headSet(e, false).descendingIterator(), null); } @Override @CheckForNull public E floor(@ParametricNullness E e) { <extra_id_0> } @CheckForNull protected E standardFloor(@ParametricNullness E e) { return Iterators.getNext(headSet(e, true).descendingIterator(), null); } @Override