new LegacyComparable("bar"),
            new LegacyComparable("bar"),
            new LegacyComparable("foo"),
            new LegacyComparable("foo"))
        .inOrder();
  }

  public void testNewTreeMultisetComparator() {
    TreeMultiset<String> multiset = TreeMultiset.create(Collections.reverseOrder());
    multiset.add("bar", 3);
    multiset.add("foo", 2);