docs: public void start() throws Exception {
          long startTime = System.currentTimeMillis();
  
          HandlerCollection handlers = new HandlerCollection();
          addModulesToJetty(handlers);
  
          // Create the server.
          int serverPort = serverPort();
          System.out.println("**** Starting Server (" + getClass().getSimpleName() + ") on port: " + serverPort);
          server = new Server(serverPort);
          server.setHandler(handlers);
          server.start();
          long endTime = System.currentTimeMillis();
          System.out.println("******* Started in " + (endTime - startTime) + "ms");
      }