code: public void deleteNamespace(String namespaceId) {
  
          DeleteNamespaceRequest deleteNamespaceRequest = new DeleteNamespaceRequest().withId(namespaceId);
          getDiscoveryClient().deleteNamespace(deleteNamespaceRequest);
  
      }
docs: these are convenience methods to help cleanup things like integration test data.
  
  @param namespaceId namespace ID from AWS to delete