tc, ok := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt)
		if ok {
			tc.FuncName = "handler.MetricsLegacy"
			tc.ResponseRecorder.LogErrBody = true
		}

		mfs, err := gatherers.Gather()
		if err != nil {
			if len(mfs) == 0 {
				writeErrorResponseJSON(r.Context(), w, toAdminAPIErr(r.Context(), err), r.URL)
				return
			}
		}

		contentType := expfmt.Negotiate(r.Header)

		}

		mfs, err := gatherers.Gather()
		if err != nil && len(mfs) == 0 {
			writeErrorResponseJSON(r.Context(), w, toAdminAPIErr(r.Context(), err), r.URL)
			return
		}

		contentType := expfmt.Negotiate(r.Header)
		w.Header().Set("Content-Type", string(contentType))

		enc := expfmt.NewEncoder(w, contentType)
		for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {

		}
	}
	return FmtText
}

func scrapeAndWriteAgentMetrics(registry prometheus.Gatherer, w io.Writer) error {
	mfs, err := registry.Gather()
	enc := expfmt.NewEncoder(w, FmtText)
	if err != nil {
		return err
	}
	for _, mf := range mfs {
		if err := enc.Encode(mf); err != nil {
			return err
		}
	}
	return nil
}