docs: private static void copy(KeyValuePair<byte[], ?> source, KeyValuePair<byte[], ?> target) {
          target.setDb(source.getDb());
          target.setExpiredType(source.getExpiredType());
          target.setExpiredValue(source.getExpiredValue());
          target.setEvictType(source.getEvictType());
          target.setEvictValue(source.getEvictValue());
          target.setValueRdbType(source.getValueRdbType());
          target.setKey(source.getKey());
      }