docs: @Override
      public void initialize(ExtensionContext context) {
          SubsystemRegistration registration = context.registerSubsystem(SUBSYSTEM_NAME, JGroupsModel.CURRENT.getVersion());
  
          registration.registerSubsystemModel(new JGroupsSubsystemResourceDefinition(context.isRuntimeOnlyRegistrationValid()));
          registration.registerXMLElementWriter(new JGroupsSubsystemXMLWriter());
      }