cur, "Such
                 a trial,
                   dear Sir,
                         With
                     no jury
                  or judge,
                would be
              wasting
             our
              breath."
               "I'll be
                 judge, I'll
                   be jury,"
                         Said
                    cunning

               cur, "Such
                 a trial,
                   dear Sir,
                         With
                     no jury
                  or judge,
                would be
              wasting
             our
              breath."
               "I'll be
                 judge, I'll
                   be jury,"
                         Said
                    cunning

  }

  /**
   * Returns the specified comparator if not null; otherwise returns {@code Ordering.natural()}.
   * This method is an abomination of generics; the only purpose of this method is to contain the
   * ugly type-casting in one place.
   */
  @SuppressWarnings("unchecked")
  static <E extends @Nullable Object> Comparator<? super E> orNaturalOrder(
      @CheckForNull Comparator<? super E> comparator) {