}

		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 {

            }
        } catch (final UnknownHostException uhe) {}

        w = new WriterThread();
        w.setDaemon(true);
        w.start();

        /* Downgrade one transport to the lower of the negotiated buffer sizes
         * so we can just send whatever is received.
         */

        final SmbTransport t1 = tree.session.transport;
        final SmbTransport t2 = dest.tree.session.transport;

- Instrument /flagz and /statusz endpoints with apiserver request metrics (apiserver_request_total, apiserver_request_duration_seconds), with group and version labels reflecting the content-negotiated API version. ([#137021](https://github.com/kubernetes/kubernetes/pull/137021), [@yongruilin](https://github.com/yongruilin)) [SIG API Machinery and Instrumentation]