test.TestUpdate(
		// valid
		validNewReplicaSet(),
		// valid updateFunc
		func(obj runtime.Object) runtime.Object {
			object := obj.(*apps.ReplicaSet)
			object.Spec.Replicas = object.Spec.Replicas + 1
			return object
		},
		// invalid updateFunc
		func(obj runtime.Object) runtime.Object {
			object := obj.(*apps.ReplicaSet)
			object.Name = ""
			return object

	return object, resourceVersion, nil
}

// processEvent is safe as long as there is at most one call to it in flight
// at any point in time.
func (w *watchCache) processEvent(event watch.Event, resourceVersion uint64, updateFunc func(*storeElement) error) error {
	metrics.EventsReceivedCounter.WithLabelValues(w.groupResource.String()).Inc()

	key, err := w.keyFunc(event.Object)
	if err != nil {

	return controllers.EventHandler[I]{
		AddExtendedFunc: func(obj I, initialSync bool) {
			handler(Event[I]{
				New:   &obj,
				Event: controllers.EventAdd,
			}, initialSync)
		},
		UpdateFunc: func(oldObj, newObj I) {
			handler(Event[I]{
				Old:   &oldObj,
				New:   &newObj,
				Event: controllers.EventUpdate,
			}, false)
		},
		DeleteFunc: func(obj I) {
			handler(Event[I]{

	test.TestUpdate(
		// valid
		validNewDeployment(),
		// updateFunc
		func(obj runtime.Object) runtime.Object {
			object := obj.(*apps.Deployment)
			object.Spec.Template.Spec.NodeSelector = map[string]string{"c": "d"}
			return object
		},
		// invalid updateFunc
		func(obj runtime.Object) runtime.Object {
			object := obj.(*apps.Deployment)
			object.Name = ""

			ctb, ok := obj.(*certificatesv1alpha1.ClusterTrustBundle)
			if !ok {
				return
			}
			klog.InfoS("Dropping all cache entries for signer", "signerName", ctb.Spec.SignerName)
			m.dropCacheFor(ctb)
		},
		UpdateFunc: func(old, new any) {
			ctb, ok := new.(*certificatesv1alpha1.ClusterTrustBundle)
			if !ok {
				return
			}
			klog.InfoS("Dropping cache for ClusterTrustBundle", "signerName", ctb.Spec.SignerName)

		),
		lastSeenGeneration: map[string]int64{},
	}

	crdInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addCustomResourceDefinition,
		UpdateFunc: c.updateCustomResourceDefinition,
		DeleteFunc: c.deleteCustomResourceDefinition,
	})

	c.syncFn = c.sync

	return c
}

		),
		specsByGVandName: map[schema.GroupVersion]map[string]*spec3.OpenAPI{},
	}

	crdInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addCustomResourceDefinition,
		UpdateFunc: c.updateCustomResourceDefinition,
		DeleteFunc: c.deleteCustomResourceDefinition,
	})

	c.syncFn = c.sync
	return c
}

// Run sets openAPIAggregationManager and starts workers

	_, err := podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			pod := obj.(*v1.Pod)
			tm.PodUpdated(nil, pod)
		},
		UpdateFunc: func(prev, obj interface{}) {
			prevPod := prev.(*v1.Pod)
			newPod := obj.(*v1.Pod)
			tm.PodUpdated(prevPod, newPod)
		},
		DeleteFunc: func(obj interface{}) {
			pod, isPod := obj.(*v1.Pod)

		AddFunc: func(obj interface{}) {
			key, err := cache.MetaNamespaceKeyFunc(obj)
			if err == nil {
				r.svcQueue.Add(key)
			}
		},
		UpdateFunc: func(old interface{}, new interface{}) {
			key, err := cache.MetaNamespaceKeyFunc(new)
			if err == nil {
				r.svcQueue.Add(key)
			}
		},
		DeleteFunc: func(obj interface{}) {

		),
	}

	_, _ = svmInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			rvController.addSVM(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			rvController.updateSVM(logger, oldObj, newObj)
		},
	})

	return rvController
}

func (rv *ResourceVersionController) addSVM(logger klog.Logger, obj interface{}) {