List<URL> urls = service.toUrls();
assertNotNull(urls);
assertEquals(1, urls.size());
assertEquals("classloader,monitor,accesslog,trace", urls.get(0).getParameter("service.filter"));
ConsumerConfig consumer = new ConsumerConfig();
consumer.setFilter("classloader,monitor");
ReferenceConfig<DemoService> reference = new ReferenceConfig<DemoService>();
reference.setFilter("accesslog,trace");
reference.setConsumer(consumer);
reference.setApplication(new ApplicationConfig("consumer"));
reference.setRegistry(new RegistryConfig(RegistryConfig.NO_AVAILABLE));