code: protected void addDefaultServlets() {
      // set up default servlets
      addServlet("stacks", "/stacks", StackServlet.class);
      addServlet("logLevel", "/logLevel", LogLevel.Servlet.class);
      addServlet("jmx", "/jmx", JMXJsonServlet.class);
      addServlet("metrics", "/metrics", MetricsServlet.class);
      addServlet("conf", "/conf", ConfServlet.class);
      }
docs: Add default servlets.