apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/v1/controller/NamespaceController.java/NamespaceController/NamespaceController
class NamespaceController:  public NamespaceController(
      final UserService userService,
      NamespaceOpenApiService namespaceOpenApiService) {
    this.userService = userService;
    this.namespaceOpenApiService = namespaceOpenApiService;
  }