static GrantorInfo checkLockGrantorInfo(String serviceName, InternalDistributedSystem system) {
    GrantorInfo gi = GrantorRequestProcessor.peekGrantor(serviceName, system);
    if (logger.isTraceEnabled(LogMarker.DLS_VERBOSE)) {
      logger.trace(LogMarker.DLS_VERBOSE, "[checkLockGrantorId] returning {}", gi);
    }
    return gi;
  }
Provide way to peek at current lock grantor id when dls does not exist
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockService.java