docs: public static int compareQualifiers(final byte[] a, final int offset_a, 
        final byte[] b, final int offset_b) {
      final long left = Internal.getOffsetFromQualifier(a, offset_a);
      final long right = Internal.getOffsetFromQualifier(b, offset_b);
      if (left == right) {
        return 0;
      }
      return (left < right) ? -1 : 1;
    }