// that change made a previously unschedulable pod schedulable.
func (pl *NodePorts) isSchedulableAfterPodDeleted(logger klog.Logger, pod *v1.Pod, oldObj, newObj interface{}) (framework.QueueingHint, error) {
	deletedPod, _, err := util.As[*v1.Pod](oldObj, nil)
	if err != nil {
		return framework.Queue, err
	}

	// If the deleted pod is unscheduled, it doesn't make the target pod schedulable.

		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]{
				Old:   &obj,

		return
	}
	h.handler.OnAdd(rs, isInInitialList)
}

func (h conversionEventHandler) OnUpdate(oldObj, newObj interface{}) {
	oldRS, err := convertRCtoRS(oldObj.(*v1.ReplicationController), nil)
	if err != nil {
		utilruntime.HandleError(fmt.Errorf("dropping RC OnUpdate event: can't convert old object %#v to RS: %v", oldObj, err))
		return
	}
	newRS, err := convertRCtoRS(newObj.(*v1.ReplicationController), nil)
	if err != nil {

// that change made a previously unschedulable pod schedulable.
func (f *Fit) isSchedulableAfterPodChange(logger klog.Logger, pod *v1.Pod, oldObj, newObj interface{}) (framework.QueueingHint, error) {
	originalPod, modifiedPod, err := schedutil.As[*v1.Pod](oldObj, newObj)
	if err != nil {
		return framework.Queue, err
	}

	if modifiedPod == nil {
		if originalPod.Spec.NodeName == "" {

			cast := obj.(*apiextensionsv1.CustomResourceDefinition)
			c.enqueueCRD(cast)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			// Enqueue both old and new object to make sure we remove and add appropriate API services.
			// The working queue will resolve any duplicates and only changes will stay in the queue.
			c.enqueueCRD(oldObj.(*apiextensionsv1.CustomResourceDefinition))
			c.enqueueCRD(newObj.(*apiextensionsv1.CustomResourceDefinition))

		}

		c.queue.Add(key)
	}

	registration, err := c.informer.AddEventHandler(cache.ResourceEventHandlerDetailedFuncs{
		AddFunc: enqueue,
		UpdateFunc: func(oldObj, newObj interface{}) {
			oldMeta, err1 := meta.Accessor(oldObj)
			newMeta, err2 := meta.Accessor(newObj)

			if err1 != nil || err2 != nil {
				if err1 != nil {
					utilruntime.HandleError(err1)
				}

				if err2 != nil {

	podInformer.Informer().AddEventHandler(kcache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			adc.podAdd(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			adc.podUpdate(logger, oldObj, newObj)
		},
		DeleteFunc: func(obj interface{}) {
			adc.podDelete(logger, obj)
		},
	})

	// This custom indexer will index pods by its PVC keys. Then we don't need

		oldObj := getMutableObject(event.PrevObject)
		// We know that if oldObj is cachingObject (which can only be set via
		// setCachingObjects), its resourceVersion is already set correctly and
		// we don't need to update it. However, since cachingObject efficiently
		// handles noop updates, we avoid this microoptimization here.
		updateResourceVersion(oldObj, c.versioner, event.ResourceVersion)

	}

	endpointsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			c.onEndpointsAdd(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			c.onEndpointsUpdate(logger, oldObj, newObj)
		},
		DeleteFunc: func(obj interface{}) {
			c.onEndpointsDelete(logger, obj)
		},
	})
	c.endpointsLister = endpointsInformer.Lister()

}

func (i *scaleUpdatedObjectInfo) Preconditions() *metav1.Preconditions {
	return i.reqObjInfo.Preconditions()
}

func (i *scaleUpdatedObjectInfo) UpdatedObject(ctx context.Context, oldObj runtime.Object) (runtime.Object, error) {
	cr := oldObj.DeepCopyObject().(*unstructured.Unstructured)
	const invalidSpecReplicas = -2147483648 // smallest int32

	managedFieldsHandler := managedfields.NewScaleHandler(
		cr.GetManagedFields(),