code: public void ssadd(final byte[] keyspace, final byte[] uid, final byte[] serviceCode, final byte[] key,
                        final long expireMillis, final byte[] value) {
          sendCommand(Command.S3SADD, keyspace, uid, serviceCode, key, value, RedisProtocol.toByteArray(expireMillis));
      }
docs: Ssadd.
  
  @param keyspace     the keyspace
  @param uid          the uid
  @param serviceCode  the service code
  @param key          the key
  @param expireMillis the expire millis
  @param value        the value