code: @Reference(policy = ReferencePolicy.DYNAMIC, cardinality = ReferenceCardinality.OPTIONAL)
      protected synchronized void setServerStarted(ServerStarted serverStarted) {
          isServerStarted = true;
  
          // Start SystemModule if everything else is ready
          startManagementEJB();
      }
docs: Declarative services method that is invoked once the ServerStarted service
  is available. Only after this method is invoked is the Management EJB system
  module started.
  
  @param serverStarted The server started instance