v3 "istio.io/istio/pilot/pkg/xds/v3"
)

// GetLastUpdatedDynamicRouteTime retrieves the LastUpdated timestamp of the
// most recently updated DynamicRouteConfig
func (w *Wrapper) GetLastUpdatedDynamicRouteTime() (*time.Time, error) {
	routeDump, err := w.GetRouteConfigDump()
	if err != nil {
		return nil, err
	}
	drc := routeDump.GetDynamicRouteConfigs()

	lastUpdated := time.Unix(0, 0) // get the oldest possible timestamp

// Scan implements the Scanner interface.
func (n *DeletedAt) Scan(value interface{}) error {
	return (*sql.NullTime)(n).Scan(value)
}

// Value implements the driver Valuer interface.
func (n DeletedAt) Value() (driver.Value, error) {
	if !n.Valid {
		return nil, nil
	}
	return n.Time, nil
}

func (n DeletedAt) MarshalJSON() ([]byte, error) {
	if n.Valid {
		return json.Marshal(n.Time)
	}
	return json.Marshal(nil)

These functions are there (instead of just using the classes directly) so that your editor doesn't mark errors about their types.

That way you can use your normal editor and coding tools without having to add custom configurations to disregard those errors.

func (r *Reader) ETag() ETag {
	sum := r.md5.Sum(nil)
	return ETag(sum)
}

// VerifyError is an error signaling that a
// computed ETag does not match an expected
// ETag.
type VerifyError struct {
	Expected ETag
	Computed ETag
}

func (v VerifyError) Error() string {
	return fmt.Sprintf("etag: expected ETag %q does not match computed ETag %q", v.Expected, v.Computed)
}

	}
	go func() {
		if err := l.loggingServer.Serve(unixListener); network.IsUnexpectedListenerError(err) {
			log.Errorf("Error running UDS log server: %v", err)
		}
	}()

	go func() {
		<-stop
		if err := l.loggingServer.Close(); err != nil {
			log.Errorf("CNI log server terminated with error: %v", err)
		} else {
			log.Debug("CNI log server terminated")
		}
	}()

	return nil
}

        "paths": {
            "/a/{id}": {
                "get": {
                    "responses": {
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
	// Ensure we don't pick up files as directories.
	globAll := filepath.Clean(dirPath) + `\*`
	globAllP, err := syscall.UTF16PtrFromString(globAll)
	if err != nil {
		return errInvalidArgument
	}
	data := &syscall.Win32finddata{}

                                    },
                                    "invalid": {
                                        "summary": "Invalid data is rejected with an error",
                                        "value": {
                                            "name": "Baz",
                                            "price": "thirty five point four",

                                    }
                                }
                            },
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

			t.Fatalf("test assumes exitStr will be %q, but got %q", want, exitStr)
		}
		f.Write([]byte(text))
		_, err := f.Finish()
		// We should get a no exit code error
		if err == nil || !wantErr.MatchString(err.Error()) {
			t.Errorf("want error matching %s, got %s", wantErr, err)
		}
		// And it should flush all output (even if it looks
		// like we may be getting an exit code)
		if got := out.String(); text != got {