docs: public Swarm stop() throws Exception {
  
          if (this.server == null) {
              throw SwarmMessages.MESSAGES.containerNotStarted("stop()");
          }
  
          this.server.stop();
          this.server = null;
  
          Module module = Module.getBootModuleLoader().loadModule(CONTAINER_MODULE_NAME);
          Class<?> shutdownClass = module.getClassLoader().loadClass("org.wildfly.swarm.container.runtime.WeldShutdownImpl");
  
          WeldShutdown shutdown = (WeldShutdown) shutdownClass.newInstance();
          shutdown.shutdown();
  
          return this;
      }