code: func (s *specAggregator) addLocalSpec(spec *spec.Swagger, localHandler http.Handler, name, etag string) {
  	localAPIService := apiregistration.APIService{}
  	localAPIService.Name = name
  	s.openAPISpecs[name] = &openAPISpecInfo{
  		etag:       etag,
  		apiService: localAPIService,
  		handler:    localHandler,
  		spec:       spec,
  	}
  }
docs: // This function is not thread safe as it only being called on startup.