/guava/guava/src/com/google/common/collect/TreeMultiset.java
right = initRight.add( count, e, comparator, result) ;
right = initRight.add ( comparator, e, count, result ) ;
AvlNode<E> initRight = right; if (initRight == null) { result[0] = 0; return addRightChild(e, count); } int initHeight = initRight.height; <extra_id_0> if (result[0] == 0) { distinctElements++; } this.totalCount += count; return (right.height == initHeight) ? this : rebalance(); }