}

	// write surrogate pair
	d.scratch.addRune(utf16.DecodeRune(r, r2))
	c = d.next()
	goto scan
}

// u4 reads four bytes following a \u escape
func (d *Decoder) u4() rune {
	// logic taken from:
	// github.com/buger/jsonparser/blob/master/escape.go#L20
	var h [4]int
	for i := 0; i < 4; i++ {
		c := d.next()
		switch {
		case c >= '0' && c <= '9':
			h[i] = int(c - '0')

  # (Select a specific control plane in an in-cluster canary Istio configuration.)
  istioctl ps --xds-label istio.io/rev=default
`,
		Aliases: []string{"ps"},
		RunE: func(c *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {
				return err
			}
			multiXdsOpts.MessageWriter = c.OutOrStdout()

		Long: `Analyzes pod, its Services, DestinationRules, and VirtualServices and reports
the configuration objects that affect that pod.`,
		Example: `  istioctl experimental describe pod productpage-v1-c7765c886-7zzd4`,
		RunE: func(cmd *cobra.Command, args []string) error {
			describeNamespace = ctx.NamespaceOrDefault(ctx.Namespace())
			if len(args) != 1 {
				return fmt.Errorf("expecting pod name")
			}

a string that is the concatenation of the individual rune values
converted to strings.

<pre>
string([]rune{0x767d, 0x9d6c, 0x7fd4})   // "\u767d\u9d6c\u7fd4" == "白鵬翔"
string([]rune{})                         // ""
string([]rune(nil))                      // ""

type runes []rune
string(runes{0x767d, 0x9d6c, 0x7fd4})    // "\u767d\u9d6c\u7fd4" == "白鵬翔"

type myRune rune

			}
			if istiodReset && stackTraceLevel != "" {
				logCmd.Println(logCmd.UsageString())
				return fmt.Errorf("--stack-trace-level cannot be combined with --reset")
			}
			return nil
		},
		RunE: func(logCmd *cobra.Command, args []string) error {
			client, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {
				return fmt.Errorf("failed to create k8s client: %v", err)
			}

// used, by convention, to distinguish byte values from 8-bit unsigned
// integer values.
type byte = uint8

// rune is an alias for int32 and is equivalent to int32 in all ways. It is
// used, by convention, to distinguish character values from integer values.
type rune = int32

// any is an alias for interface{} and is equivalent to interface{} in all ways.
type any = interface{}

		t.Fatal("expected pod to be in cache")
	}
}

// for tests that call `runtime.GC()` - we have no control over when the GC is actually scheduled,
// and it is flake-prone to check for closure after calling it, this retries for a bit to make
// sure the netns is closed eventually.
func assertNSClosed(t *testing.T, closed *atomic.Bool) {
	for i := 0; i < 5; i++ {
		if closed.Load() {

   *
   * <ul>
   *   <li>{@linkplain LoadingCache#get(Object) awaiting the result of a pending load} rather than
   *       starting a redundant one
   *   <li>eliminating the error-prone caching boilerplate
   *   <li>tracking load {@linkplain #stats statistics}
   * </ul>
   *
   * <p>Among the further improvements that {@code LoadingCache} can provide but this method cannot:
   *
   * <ul>

func seeExperimentalCmd(name string) *cobra.Command {
	msg := fmt.Sprintf("(%s is experimental. Use `istioctl experimental %s`)", name, name)
	return &cobra.Command{
		Use:   name,
		Short: msg,
		RunE: func(_ *cobra.Command, _ []string) error {
			return errors.New(msg)
		},
	}

		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) < 1 {
				cmd.Println(cmd.UsageString())
				return fmt.Errorf("metrics requires workload name")
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			return run(cmd, ctx, args)
		},
		DisableFlagsInUseLine: true,
		ValidArgsFunction:     completion.ValidPodsNameArgs(ctx),
	}