private static GrantorInfo basicOp(long grantorVersion, DLockService service, int dlsSerialNumber,
      InternalDistributedSystem sys, InternalDistributedMember oldTurk, byte opCode) {
    return basicOp(grantorVersion, service.getName(), service, dlsSerialNumber, sys, oldTurk,
        opCode);
  }
@param opCode encodes what operation we are doing
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/GrantorRequestProcessor.java