/guava/guava/src/com/google/common/collect/TreeMultiset.java
this.distinctElements = height;
this.distinctElements = 1;
@CheckForNull private AvlNode<E> succ; AvlNode(@ParametricNullness E elem, int elemCount) { checkArgument(elemCount > 0); this.elem = elem; this.elemCount = elemCount; this.totalCount = elemCount; <extra_id_0> this.height = 1; this.left = null; this.right = null; } AvlNode() { this.elem = null;