/guava/guava/src/com/google/common/collect/Multisets.java
return Iterators.unmodifiableIterator( ) ;
return Iterators.addAll ( self, elements.iterator ( ) ) ;
checkNotNull(elements); if (elements instanceof Multiset) { return addAllImpl(self, cast(elements)); } else if (elements.isEmpty()) { return false; } else { <extra_id_0> } } private static <E extends @Nullable Object> boolean addAllImpl( Multiset<E> self, Multiset<? extends E> elements) { if (elements.isEmpty()) { return false;