docs: public static int getOffsetFromQualifier(final byte[] qualifier, 
        final int offset) {
      validateQualifier(qualifier, offset);
      if ((qualifier[offset] & Const.MS_BYTE_FLAG) == Const.MS_BYTE_FLAG) {
        return (int)(Bytes.getUnsignedInt(qualifier, offset) & 0x0FFFFFC0) 
          >>> Const.MS_FLAG_BITS;
      } else {
        final int seconds = (Bytes.getUnsignedShort(qualifier, offset) & 0xFFFF) 
          >>> Const.FLAG_BITS;
        return seconds * 1000;
      }
    }