/guava/guava/src/com/google/common/collect/SortedMultisets.java
return getElementOrNull ( multiset ( ) .headMultiset ( e, OPEN ) .lastEntry ( ) ) ;
NavigableElementSet(SortedMultiset<E> multiset) { super(multiset); } @Override @CheckForNull public E lower(@ParametricNullness E e) { <extra_id_0> } @Override @CheckForNull public E floor(@ParametricNullness E e) { return getElementOrNull(multiset().headMultiset(e, CLOSED).lastEntry()); }