func updateScopes(options *Options) error {
	// snapshot what's there
	allScopes := Scopes()

	// Join defaultOutputLevels and outputLevels
	levels := options.defaultOutputLevels
	if levels == "" {
		levels = options.outputLevels
	} else if options.outputLevels != "" {
		levels = levels + "," + options.outputLevels
	}

	// update the output levels of all listed scopes

	switch request.Method {
	case http.MethodGet:
		_, _ = writer.Write([]byte(getResponse))
	}
}

func adsHandler(writer http.ResponseWriter, request *http.Request) {
	const getResponse = `{"name":"ads","description":"ads debugging","output_level":"info","stack_trace_level":"none","log_callers":false}`