return &nsMutex
}

// nsLock - provides primitives for locking critical namespace regions.
type nsLock struct {
	ref int32
	*lsync.LRWMutex
}

// nsLockMap - namespace lock map, provides primitives to Lock,
// Unlock, RLock and RUnlock.
type nsLockMap struct {
	// Indicates if namespace is part of a distributed setup.
	isDistErasure bool
	lockMap       map[string]*nsLock
	lockMapMutex  sync.Mutex

		Use:   "status",
		Short: "Show the status of waypoints in a namespace",
		Long:  "Show the status of waypoints for the namespace provided or default namespace if none is provided",
		Example: `  # Show the status of the waypoint in the default namespace
		 istioctl waypoint status
		  
		 # Show the status of the waypoint in a specific namespace
  		 istioctl waypoint status --namespace default`,

	retval := make([]corev1.Namespace, 0, len(namespaces))
	seen := sets.String{}
	for _, webhook := range hook.Webhooks {
		nsSelector, err := metav1.LabelSelectorAsSelector(webhook.NamespaceSelector)
		if err != nil {
			return retval
		}

		for _, namespace := range namespaces {
			if !seen.Contains(namespace.Name) && nsSelector.Matches(api_pkg_labels.Set(namespace.Labels)) {

               },
               "expr": "sum by (cluster, namespace, job) (\n    rate(\n        process_cpu_seconds_total{\n            cluster=~\"$cluster\",\n            namespace=~\"$namespace\",\n            job=~\"$job\"\n        }\n    [$__rate_interval])\n)\n",
               "intervalFactor": 2,
               "legendFormat": "{{cluster}} - {{namespace}}\n"
            }
         ],
         "title": "CPU Usage",

			client.Istio().NetworkingV1().DestinationRules(t.Namespace).Create(context.TODO(), t, metav1.CreateOptions{})
		case *clientnetworking.Gateway:
			client.Istio().NetworkingV1().Gateways(t.Namespace).Create(context.TODO(), t, metav1.CreateOptions{})
		case *clientnetworking.VirtualService:
			client.Istio().NetworkingV1().VirtualServices(t.Namespace).Create(context.TODO(), t, metav1.CreateOptions{})
		}
	}

	NetworkGateway        *GatewayAddress   `json:"networkGateway,omitempty"`
	Protocol              string            `json:"protocol"`
	Name                  string            `json:"name"`
	Namespace             string            `json:"namespace"`
	ServiceAccount        string            `json:"serviceAccount"`
	WorkloadName          string            `json:"workloadName"`
	WorkloadType          string            `json:"workloadType"`

		"Istio system namespace")

	return r
}

// Namespace returns the namespace flag value.
func (r *RootFlags) Namespace() string {
	return *r.namespace
}

// IstioNamespace returns the istioNamespace flag value.
func (r *RootFlags) IstioNamespace() string {
	return *r.istioNamespace
}

// DefaultNamespace returns the default namespace to use.
func (r *RootFlags) DefaultNamespace() string {

				Name:        "test",
				Namespace:   "test",
				Labels:      ambientEnabledLabel,
				Annotations: sidecarStatusAnnotation,
			},
		}
	)

	type args struct {
		namespace *corev1.Namespace
		pod       *corev1.Pod
	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{
			name: "ambient mode enabled for namespace",
			args: args{

	if matchAmbient {
		log.Infof("Namespace %s is enabled in ambient mesh", namespace)
	} else {
		log.Infof("Namespace %s is disabled from ambient mesh", namespace)
	}
	for _, pod := range s.pods.List(namespace, klabels.Everything()) {
		// ztunnel pods are never "added to/removed from the mesh", so do not fire
		// spurious events for them to avoid triggering extra
		// ztunnel node reconciliation checks.

	fs.AssertExpectations(t)

	// unlabelling the namespace should cause only one RemovePodFromMesh to happen
	fs.On("RemovePodFromMesh",
		ctx,
		mock.Anything,
		false,
	).Once().Return(nil)

	// unlabel the namespace
	labelsPatch := []byte(fmt.Sprintf(`{"metadata":{"labels":{"%s":null}}}`,
		label.IoIstioDataplaneMode.Name))
	_, err = client.Kube().CoreV1().Namespaces().Patch(ctx, ns.Name,