if err != nil {
		return err
	}
	for _, ecds := range dump {
		fmt.Fprintf(w, "%v\t%v\n",
			ecds.Name,
			strings.TrimPrefix(ecds.GetTypedConfig().GetTypeUrl(), typeURLPrefix),
		)
	}

	return w.Flush()
}

func (c *ConfigWriter) retrieveSortedEcds() ([]*core.TypedExtensionConfig, error) {
	if c.configDump == nil {
		return nil, fmt.Errorf("config writer has not been primed")
	}

  @JvmOverloads
  fun sendResponse(
    s: String,
    responseSent: CountDownLatch = CountDownLatch(0),
  ) = apply {
    actions += { stream ->
      stream.responseBody.writeUtf8(s)
      stream.responseBody.flush()
      responseSent.countDown()
    }
  }

  fun exhaustResponse() =
    apply {
      actions += { stream -> stream.responseBody.close() }
    }

  fun sleep(
    duration: Long,

	for istiod, clusters := range statuses {
		for _, c := range clusters {
			_, _ = fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", c.ID, c.SecretName, c.SyncStatus, istiod)
		}
	}
	_ = w.Flush()
	return nil
}

func parseClusterStatuses(input map[string][]byte) (map[string][]cluster.DebugInfo, error) {
	statuses := make(map[string][]cluster.DebugInfo, len(input))
	for istiodKey, bytes := range input {

	fmt.Fprintf(w, "FLAG\tVALUE\tFROM\n")
	for _, flag := range keys {
		v := settableFlags[flag]
		fmt.Fprintf(w, "%s\t%s\t%v\n", flag, viper.GetString(flag), configSource(flag, v))
	}
	return w.Flush()
}

func configSource(flag string, v env.VariableInfo) string {
	// Environment variables have high precedence in Viper
	if v.IsSet() {
		return "$" + v.GetName()
	}

	if viper.InConfig(flag) {

		waypoint := serviceWaypointName(svc, zDump.Services)
		fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\n",
			svc.Namespace, svc.Name, strings.Join(ips, ","), waypoint, endpoints)
	}
	return w.Flush()
}

// PrintServiceDump prints the relevant services in the config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintServiceDump(filter ServiceFilter, outputFormat string) error {
	zDump := c.ztunnelDump

	doneCh chan struct{}
}

func (writer *messageWriter) write(data []byte) bool {
	if _, err := writer.writer.Write(data); err != nil {
		return false
	}

	writer.writer.(http.Flusher).Flush()
	return true
}

func (writer *messageWriter) start() {
	keepAliveTicker := time.NewTicker(1 * time.Second)
	var progressTicker *time.Ticker
	var progressTickerC <-chan time.Time

func printHeader(writer io.Writer) {
	w := tabwriter.NewWriter(writer, 13, 1, 2, ' ', tabwriter.AlignRight)
	_, _ = fmt.Fprintf(w, "%40s\tTOTAL RPS\tERROR RPS\tP50 LATENCY\tP90 LATENCY\tP99 LATENCY\t\n", "WORKLOAD")
	_ = w.Flush()
}

func printMetrics(writer io.Writer, wm workloadMetrics) {
	w := tabwriter.NewWriter(writer, 13, 1, 2, ' ', tabwriter.AlignRight)
	_, _ = fmt.Fprintf(w, "%40s\t", wm.workload)

		cells = append(cells, NewCell(name))
	}
	c.header = Row{Cells: cells}
}

func (c *ColoredTableWriter) AddRow(obj interface{}) {
	c.rows = append(c.rows, c.addRowFunc(obj))
}

func (c *ColoredTableWriter) Flush() {
	output := c.getTableOutput(c.rows)
	if len(output) == 0 {
		return
	}
	sep := getMaxWidths(output)
	for _, row := range output {
		for i, col := range row {
			_, _ = fmt.Fprint(c.writer, col.String())

		file, line, fn := tab.PCToLine(pc)
		name := "?"
		if fn != nil {
			name = fn.Name
		} else {
			file = "?"
			line = 0
		}
		fmt.Fprintf(stdout, "%s\n%s:%d\n", name, file, line)
	}
	stdout.Flush()

        try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
                PrintWriter writer = new PrintWriter(baos, false, Constants.CHARSET_UTF_8)) {
            exception.printStackTrace(writer);
            writer.flush();
            append(buf, "exception", () -> StringEscapeUtils.escapeJson(new String(baos.toByteArray(), Constants.CHARSET_UTF_8)));
        } catch (final IOException e) {