// The handler will block write requests to built-in resources until the
		// target resources' storage versions are up-to-date.
		genericConfig.BuildHandlerChainFunc = genericapiserver.BuildHandlerChainWithStorageVersionPrecondition
	}

	if peerProxy != nil {
		originalHandlerChainBuilder := genericConfig.BuildHandlerChainFunc

		s.Handler.NonGoRestfulMux.NotFoundHandler(routes.IndexLister{
			StatusCode:   http.StatusNotFound,
			PathProvider: s.listedPathProvider,
		})
	}

	return s, nil
}

func BuildHandlerChainWithStorageVersionPrecondition(apiHandler http.Handler, c *Config) http.Handler {
	// WithStorageVersionPrecondition needs the WithRequestInfo to run first