docs: public static RoaringBitmap andNot(final RoaringBitmap x1, final RoaringBitmap x2,
        long rangeStart, long rangeEnd) {
      rangeSanityCheck(rangeStart, rangeEnd);
  
      RoaringBitmap rb1 = selectRangeWithoutCopy(x1, rangeStart, rangeEnd);
      RoaringBitmap rb2 = selectRangeWithoutCopy(x2, rangeStart, rangeEnd);
      return andNot(rb1, rb2);
    }