if filter.Name == HTTPListener {
			httpProxy := &hcm.HttpConnectionManager{}
			// Allow Unmarshal to work even if Envoy and istioctl are different
			filter.GetTypedConfig().TypeUrl = "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager"
			err := filter.GetTypedConfig().UnmarshalTo(httpProxy)
			if err != nil {
				return err.Error()
			}
			if httpProxy.GetRouteConfig() != nil {

			Component: "MISSING",
			ID:        "MISSING",
			Info: istioversion.BuildInfo{
				Version: "MISSING CP ID",
			},
		}
	}

	cpID := pilotxds.IstioControlPlaneInstance{}
	err := json.Unmarshal([]byte(xdsResponse.ControlPlane.Identifier), &cpID)
	if err != nil {
		return pilotxds.IstioControlPlaneInstance{
			Component: "INVALID",
			ID:        "INVALID",
			Info: istioversion.BuildInfo{

			valuesConfigMapKey, injectConfigMapName)
	}

	return valuesData, nil
}

func readInjectConfigFile(f []byte) (inject.RawTemplates, error) {
	var injectConfig inject.Config
	err := yaml.Unmarshal(f, &injectConfig)
	if err != nil || len(injectConfig.RawTemplates) == 0 {
		// This must be a direct template, instead of an inject.Config. We support both formats

			Global struct {
				Proxy struct {
					LogLevel string `json:"logLevel"`
				} `json:"proxy"`
			} `json:"global"`
		} `json:"sidecarInjectorWebhook"`
	}
	if err := yaml.Unmarshal([]byte(valuesConfig), &values); err != nil {
		return "", fmt.Errorf("failed to parse values config: %v [%v]", err, valuesConfig)
	}
	return values.SidecarInjectorWebhook.Global.Proxy.LogLevel, nil
}

func insertCNIConfig(newCNIConfig, existingCNIConfig []byte) ([]byte, error) {
	var istioMap map[string]any
	err := json.Unmarshal(newCNIConfig, &istioMap)
	if err != nil {
		return nil, fmt.Errorf("error loading Istio CNI config (JSON error): %v", err)
	}

	var existingMap map[string]any
	err = json.Unmarshal(existingCNIConfig, &existingMap)
	if err != nil {

		return nil, 0, fmt.Errorf("truncated message")
	}
	if flags&unix.MSG_CTRUNC != 0 {
		return nil, 0, fmt.Errorf("truncated control message")
	}
	var resp T
	var respPtr PT = &resp
	err = proto.Unmarshal(buf[:n], respPtr)
	if err != nil {
		return nil, 0, err
	}
	return respPtr, oobn, nil

	}
	sdcnum = 0
	versionCount := make(map[string]int)
	for _, response := range pilotResponses {
		var configVersions []xds.SyncedVersions
		err = json.Unmarshal(response, &configVersions)
		if err != nil {
			respStr := string(response)
			if strings.Contains(respStr, xds.DistributionTrackingDisabledMessage) {

}

// parseConfig parses the supplied configuration (and prevResult) from stdin.
func parseConfig(stdin []byte) (*Config, error) {
	conf := Config{}

	if err := json.Unmarshal(stdin, &conf); err != nil {
		return nil, fmt.Errorf("failed to parse network configuration: %v", err)
	}

	log.Debugf("istio-cni: Config is: %+v", conf)
	// Parse previous result. Remove this if your plugin is not chained.

    service.istio.io/canonical-revision: v1
spec:
  replicas: 1
`
)

func fromYAML(in string) *unstructured.Unstructured {
	var un unstructured.Unstructured
	if err := yaml.Unmarshal([]byte(in), &un); err != nil {
		panic(err)
	}
	return &un
}

func TestValidateResource(t *testing.T) {
	cases := []struct {
		name  string
		in    string
		valid bool
		warn  bool
	}{

func readWorkloadGroup(filename string, wg *clientv1alpha3.WorkloadGroup) error {
	f, err := os.ReadFile(filename)
	if err != nil {
		return err
	}
	if err = yaml.Unmarshal(f, wg); err != nil {
		return err
	}
	// fill empty structs
	if wg.Spec.Metadata == nil {
		wg.Spec.Metadata = &networkingv1alpha3.WorkloadGroup_ObjectMeta{}
	}
	if wg.Spec.Template == nil {