code: public void slexists(final byte[] keyspace, final byte[] uid, final byte[] serviceCode, final byte[] key,
                           final byte[] value) {
          sendCommand(Command.S3LEXISTS, keyspace, uid, serviceCode, key, value);
      }
docs: Slexists.
  
  @param keyspace    the keyspace
  @param uid         the uid
  @param serviceCode the service code
  @param key         the key
  @param value       the value