docs: private static HashMap reverseSortByValues(HashMap map) {
          List list = new LinkedList(map.entrySet());
          Collections.sort(list, new Comparator() {
              public int compare(Object o1, Object o2) {
                  return ((Comparable) ((Map.Entry) (o1)).getValue())
                          .compareTo(((Map.Entry) (o2)).getValue());
              }
          });
          HashMap sortedHashMap = new LinkedHashMap();
          for (Iterator it = list.iterator(); it.hasNext();) {
              Map.Entry entry = (Map.Entry) it.next();
              sortedHashMap.put(entry.getKey(), entry.getValue());
          }
          return sortedHashMap;
      }