/guava/guava/src/com/google/common/collect/ImmutableSortedMultiset.java
super.add( element) ;super.add( elements) ;
super.add ( elements ) ;
super.add(element); return this; } @CanIgnoreReturnValue @Override public Builder<E> add(E... elements) { <extra_id_0> return this; } @CanIgnoreReturnValue @Override public Builder<E> addCopies(E element, int occurrences) { super.addCopies(element, occurrences);