for _, command := range curCmd.Commands() {
			if !seenCommands[command] {
				commandStack = append(commandStack, command)
			}
		}
		curCmd.SetFlagErrorFunc(func(_ *cobra.Command, e error) error {
			return util.CommandParseError{Err: e}
		})
	}

	return rootCmd
}

func hideInheritedFlags(orig *cobra.Command, hidden ...string) {
	orig.SetHelpFunc(func(cmd *cobra.Command, args []string) {

@app.get("/items-header/{item_id}")
async def read_item_header(item_id: str):
    if item_id not in items:
        raise HTTPException(
            status_code=404,
            detail="Item not found",
            headers={"X-Error": "There goes my error"},
        )

	debug, err := extractZtunnelConfigDump(kubeClient, podName, podNamespace)
	if err != nil {
		return nil, err
	}
	return setupConfigdumpZtunnelConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {

	"time"

	"github.com/minio/minio/internal/deadlineconn"
	"golang.org/x/sys/unix"
)

func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall.RawConn) error {
	return func(network, address string, c syscall.RawConn) error {
		c.Control(func(fdPtr uintptr) {
			// got socket file descriptor to set parameters.
			fd := int(fdPtr)

			_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)

	Transport   http.RoundTripper     `json:"-"`
	CloseRespFn func(r io.ReadCloser) `json:"-"`
}

// Validate - validate opa configuration params.
func (a *Args) Validate() error {
	req, err := http.NewRequest(http.MethodPost, a.URL.String(), bytes.NewReader([]byte("")))
	if err != nil {
		return err
	}

	req.Header.Set("Content-Type", "application/json")
	if a.AuthToken != "" {

			noIstiod:       true,
			expectedOutput: "Error: no running Istio pods in \"istio-system\"\n",
			wantException:  true,
		},
		{ // case 1, with Istiod instance
			args:           []string{},
			expectedString: "NAME     CLUSTER     CDS     LDS     EDS     RDS     ECDS     ISTIOD",
		},
		{ // case 2: supplying nonexistent pod name should result in error with flag

	case BLAKE2b512:
		b2, _ := blake2b.New512(nil) // New512 never returns an error if the key is nil
		return b2
	case HighwayHash256:
		hh, _ := highwayhash.New(magicHighwayHash256Key) // New will never return error since key is 256 bit
		return hh
	case HighwayHash256S:
		hh, _ := highwayhash.New(magicHighwayHash256Key) // New will never return error since key is 256 bit
		return hh
	default:

		if err != nil {
			t.Fatal(err)
		}

		err = checkPostPolicy(formValues, postPolicyForm)
		if err != nil && tt.expectedErr != nil && err.Error() != tt.expectedErr.Error() {
			t.Fatalf("Test %d:, Expected %s, got %s", i+1, tt.expectedErr.Error(), err.Error())
		}
	}

func checkXL2V1(buf []byte) (payload []byte, major, minor uint16, err error) {
	if len(buf) <= 8 {
		return payload, 0, 0, fmt.Errorf("xlMeta: no data")
	}

	if !bytes.Equal(buf[:4], xlHeader[:]) {
		return payload, 0, 0, fmt.Errorf("xlMeta: unknown XLv2 header, expected %v, got %v", xlHeader[:4], buf[:4])
	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {
		// Set as 1,0.
		major, minor = 1, 0
	} else {

		Aliases: []string{"des"},
		Short:   "Describe resource and related Istio configuration",
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) != 0 {
				return fmt.Errorf("unknown resource type %q", args[0])
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			describeNamespace = ctx.NamespaceOrDefault(ctx.Namespace())
			cmd.HelpFunc()(cmd, args)
			return nil
		},
	}