+ h := &handler{Config: srv.Config}
+ reg := prometheus.NewRegistry()
+ h.Config.Cache.registry = reg
+ mh := httpserver.Instrument(reg, nil, httpserver.AddRequestIDs(httpserver.LogRequests(nil, h)))
+ h.MetricsAPI = mh.ServeAPI(h.Config.ManagementToken, http.NotFoundHandler())
+ srv.Handler = mh