@Override
    public JettyServiceBuilder dumpBeforeStop(boolean dumpBeforeStop) {
        return (JettyServiceBuilder) super.dumpBeforeStop(dumpBeforeStop);
    }
Adds the specified event listener to the Jetty {@link Server}.
jetty/jetty11/src/main/java/com/linecorp/armeria/server/jetty/JettyServiceBuilder.java