code: public SIBUuid8 getMessagingEngineUuid() {
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.entry(tc, "getMessagingEngineUuid");
          SIBUuid8 uuid = _persistentStore.getMessagingEngineUuid();
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.exit(tc, "getMessagingEngineUuid", uuid);
          return uuid;
      }
docs: Returns the messagingEngineUuid
  
  @return String