code: public JettyService build() {
          return JettyService.forConfig(new JettyServiceConfig(
                  hostname, dumpAfterStart, dumpBeforeStop, stopTimeoutMillis, handler, requestLog,
                  sessionIdManagerFactory, attrs, beans, handlerWrappers, eventListeners, lifeCycleListeners,
                  configurators));
      }
docs: Returns a newly-created {@link JettyService} based on the properties of this builder.