docs: static protected void removeValues(TreeMultimap<Long, Long> mm, Set<Long> values) {
          Iterator<Map.Entry<Long, Long>> itr = mm.entries().iterator();
          while (itr.hasNext()) {
              Map.Entry<Long, Long> e = itr.next();
              if (values.contains(e.getValue())) {
                  itr.remove();
              }
          }
      }