if err := c.ClusterDiff(); err != nil {
		return err
	}
	if err := c.ListenerDiff(); err != nil {
		return err
	}
	return c.RouteDiff()
}

// nonstrictResolver is an AnyResolver that ignores unknown proto messages
type nonstrictResolver struct{}

var envoyResolver nonstrictResolver

func (m *nonstrictResolver) Resolve(typeURL string) (legacyproto.Message, error) {

	cases := []profileDiffTestcase{
		{
			args:       "profile diff demo default --unknown-flag",
			shouldFail: true,
		},
		{
			args:       "profile diff demo",
			shouldFail: true,
		},
		{
			args:       "profile diff",
			shouldFail: true,
		},
		{
			args:       fmt.Sprintf("profile diff default unknown-profile --manifests %s", snapshotCharts),
			shouldFail: true,
		},
		{

	typ, err := r.Types.FindMessageByURL(url)
	if err != nil {
		// Here we ignore the error since we want istioctl to ignore unknown types due to the Envoy version change
		msg := exprpb.Type{TypeKind: &exprpb.Type_Dyn{Dyn: &emptypb.Empty{}}}
		return msg.ProtoReflect().Type(), nil
	}
	return typ, nil
}

// Wrapper is a wrapper around the Envoy ConfigDump

		switch an := internal.GetAddressNameSpecifier().(type) {
		case *core.EnvoyInternalAddress_ServerListenerName:
			return fmt.Sprintf("envoy://%s/%s", an.ServerListenerName, internal.EndpointId)
		}
	}
	return "unknown"
}

func retrieveEndpointPort(l *admin.HostStatus) uint32 {
	addr := l.Address.GetSocketAddress()
	if addr != nil {
		return addr.GetPortValue()
	}
	return 0
}

	res := l.FilterChains
	if l.DefaultFilterChain != nil {
		res = append(res, l.DefaultFilterChain)
	}
	return res
}

// retrieveListenerType classifies a Listener as HTTP|TCP|HTTP+TCP|UNKNOWN
func retrieveListenerType(l *listener.Listener) string {
	nHTTP := 0
	nTCP := 0
	for _, filterChain := range getFilterChains(l) {
		for _, filter := range filterChain.GetFilters() {
			if filter.Name == HTTPListener {

func validateProfileOutputFormatFlag(outputFormat string) error {
	switch outputFormat {
	case jsonOutput, yamlOutput, flagsOutput:
	default:
		return fmt.Errorf("unknown output format: %s", outputFormat)
	}
	return nil
}

// yamlToFormat converts the generated yaml config to the expected format
func yamlToFormat(yaml, outputFormat string) (string, error) {
	var output string

	ExitAnalyzerFoundIssues = 79 // istioctl analyze found issues, for CI/CD
)

func GetExitCode(e error) int {
	if strings.Contains(e.Error(), "unknown command") {
		e = util.CommandParseError{Err: e}
	}

	switch e.(type) {
	case util.CommandParseError:
		return ExitIncorrectUsage
	case analyze.FileParseError:
		return ExitDataError

				clientConfig := xdsstatus.ClientConfig{}
				err := resource.UnmarshalTo(&clientConfig)
				if err != nil {
					return nil, err
				}
				visited[clientConfig.Node.Id] = true
			default:
				// ignore unknown types.
			}
		}
		return response, nil
	}

	responses := []*discovery.DiscoveryResponse{}
	if all {
		token := ""
		touchedPods := 0

	GetProxyLoop:
		for {

		// TODO: https://github.com/istio/istio/issues/41937
		grpc.WithTransportCredentials(credentials.NewTLS(
			&tls.Config{
				// Always skip verifying, because without it we always get "certificate signed by unknown authority".
				// We don't set the XDSSAN for the same reason.
				InsecureSkipVerify: true,
			})),
		grpc.WithPerRPCCredentials(k8sCreds),
	}, nil

						clusterID:      "cluster4",
						version:        "1.20",
						cdsSyncStatus:  status.ConfigStatus_UNKNOWN,
						ldsSyncStatus:  status.ConfigStatus_UNKNOWN,
						rdsSyncStatus:  status.ConfigStatus_UNKNOWN,
						edsSyncStatus:  status.ConfigStatus_UNKNOWN,
						ecdsSyncStatus: status.ConfigStatus_UNKNOWN,
					},
				}),
			},
			want: "testdata/multiXdsStatusMultiPilot.txt",
		},
		{