static void clearGrantor(long grantorVersion, DLockService service, int dlsSerialNumber,
      InternalDistributedSystem sys, boolean withLocks) {
    basicOp(grantorVersion, service, dlsSerialNumber, sys, null,
        withLocks ? CLEAR_WITH_LOCKS_OP : CLEAR_OP);
  }
Tells the elder we are doing a clean destroy of our grantor

@param service the service we are no longer the grantor of.
@param sys the distributed system
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/GrantorRequestProcessor.java