code: @NotNull
      @SuppressWarnings("unchecked")
      public static <T extends Comparable<? super T>> ComparatorCompat<T> reverseOrder() {
          return (ComparatorCompat<T>) REVERSE_ORDER;
      }
docs: Returns a comparator with reverse order.
  
  @param <T> the type of the objects compared by the comparator
  @return a comparator
  @see Collections#reverseOrder()