docs: private synchronized boolean deleteReceiveAllowedThread()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(tc, "deleteReceiveAllowedThread");
  
          if (_receiveAllowedThread.isMarkedForUpdate())
          {
              if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
                  SibTr.exit(tc, "deleteReceiveAllowedThread", Boolean.FALSE);
              return false;
          }
  
          _receiveAllowedThread = null;
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "deleteReceiveAllowedThread", Boolean.TRUE);
          return true;
      }