/guava/android/guava/src/com/google/common/collect/TreeMultiset.java
this.header = new AvlNode<E>( e, count) ;
this.header = new AvlNode<> ( ) ;
this.range = range; this.header = endLink; } TreeMultiset(Comparator<? super E> comparator) { super(comparator); this.range = GeneralRange.all(comparator); <extra_id_0> successor(header, header); this.rootReference = new Reference<>(); } private enum Aggregate { SIZE { @Override