### Question:
ServiceProviderInterfaceRecommender implements ConfigDef.Recommender { @Override public boolean visible(String name, Map<String, Object> connectorConfigs) { return true; } ServiceProviderInterfaceRecommender(Class<T> clazz); @Override List<Object> validValues(String name, Map<String, Object> connectorConfigs); @Override boolean visible(String name, Map<String, Object> connectorConfigs);  }### Answer:
@Test public void visible() { ServiceProviderInterfaceRecommender<RequestExecutor> recommender = new ServiceProviderInterfaceRecommender<>(RequestExecutor.class); assertThat(recommender.visible("test", Collections.emptyMap()), equalTo(true)); }