}

// listTags lists existing revision.
func listTags(ctx context.Context, kubeClient kubernetes.Interface, writer io.Writer) error {
	tagWebhooks, err := GetRevisionWebhooks(ctx, kubeClient)
	if err != nil {
		return fmt.Errorf("failed to retrieve revision tags: %v", err)
	}
	if len(tagWebhooks) == 0 {
		fmt.Fprintf(writer, "No Istio revision tag MutatingWebhookConfigurations to list\n")
		return nil
	}

				List(context.Background(), metav1.ListOptions{})
			if err != nil {
				return err
			}
			if len(gws.Items) == 0 {
				fmt.Fprintln(writer, "No waypoints found.")
				return nil
			}
			w := new(tabwriter.Writer).Init(writer, 0, 8, 5, ' ', 0)
			slices.SortFunc(gws.Items, func(i, j gateway.Gateway) int {
				if r := cmp.Compare(i.Namespace, j.Namespace); r != 0 {
					return r
				}

	"cmp"
	"encoding/json"
	"fmt"
	"strings"

	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/slices"
)

// ServiceFilter is used to pass filter information into service based config writer print functions
type ServiceFilter struct {
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *ServiceFilter) Verify(svc *ZtunnelService) bool {

	if len(mappedResp) > 0 {
		mresp, err := json.MarshalIndent(mappedResp, "", "  ")
		if err != nil {
			return nil, nil, err
		}
		_, _ = s.Writer.Write(mresp)
		_, _ = s.Writer.Write([]byte("\n"))
	}

	return w, fullStatus, nil
}

func xdsStatusPrintln(w io.Writer, status *xdsWriterStatus) error {
	_, err := fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\t%v\n",
		status.proxyID, status.clusterID,

		signal.Notify(signals, os.Interrupt)
		defer signal.Stop(signals)
		<-signals
		fw.Close()
	}()
}

func openBrowser(url string, writer io.Writer, browser bool) {
	var err error

	fmt.Fprintf(writer, "%s\n", url)

	if !browser {
		fmt.Fprint(writer, "skipping opening a browser")
		return
	}

	switch runtime.GOOS {
	case "linux":
		err = exec.Command("xdg-open", url).Start()

}

type Printer interface {
	Printf(format string, a ...any)
	Println(string)
}

func NewPrinterForWriter(w io.Writer) Printer {
	return &writerPrinter{writer: w}
}

type writerPrinter struct {
	writer io.Writer
}

func (w *writerPrinter) Printf(format string, a ...any) {
	_, _ = fmt.Fprintf(w.writer, format, a...)
}

			cfgNames += ", "
		}
	}
	fmt.Fprintf(writer, "   %s\n", cfgNames)
}

func printPeerAuthentication(writer io.Writer, pa authn.MergedPeerAuthentication) {
	fmt.Fprintf(writer, "Effective PeerAuthentication:\n")
	fmt.Fprintf(writer, "   Workload mTLS mode: %s\n", pa.Mode.String())
	if len(pa.PerPort) != 0 {
		fmt.Fprintf(writer, "   Port Level mTLS mode:\n")
		for port, mode := range pa.PerPort {

	}
	return profileDiffInternal(args[0], args[1], setFlags, cmd.OutOrStdout(), l)
}

func profileDiffInternal(profileA, profileB string, setFlags []string, writer io.Writer, l clog.Logger) (bool, error) {
	a, _, err := manifest.GenIOPFromProfile(profileA, "", setFlags, true, true, nil, l)
	if err != nil {
		return false, fmt.Errorf("could not read %q: %v", profileA, err)
	}

	"cmp"
	"encoding/json"
	"fmt"
	"strings"

	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/slices"
)

// PolicyFilter is used to pass filter information into service based config writer print functions
type PolicyFilter struct {
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *PolicyFilter) Verify(pol *ZtunnelPolicy) bool {

}

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)