docs: @Deprecated
    public void flip(final int rangeStart, final int rangeEnd) {
      if (rangeStart >= 0) {
        flip((long) rangeStart, (long) rangeEnd);
      } else {
        // rangeStart being -ve and rangeEnd being positive is not expected)
        // so assume both -ve
        flip(rangeStart & 0xFFFFFFFFL, rangeEnd & 0xFFFFFFFFL);
      }
    }