question: public void addAll ( final Iterator < ? extends T > elements , final LongIterator values ) throws IOException { if ( pl != null ) { pl . expectedUpdates = - 1 ; pl . start ( "Adding elements..." ) ; } final long [ ] triple = new long [ 3 ] ; while ( elements . hasNext ( ) ) { Hashes . spooky4 ( transform . toBitVector ( elements . next ( ) ) , seed , triple ) ; add ( triple , values != null ? values . nextLong ( ) : filteredSize ) ; if ( pl != null ) pl . lightUpdate ( ) ; } if ( values != null && values . hasNext ( ) ) throw new IllegalStateException ( "The iterator on values contains more entries than the iterator on keys" ) ; if ( pl != null ) pl . done ( ) ; }
target:  Adds the elements returned by an iterator to this store, associating them with specified values.