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