}

		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(),

		getLatestPod := func(_ context.Context, _, oldObj runtime.Object) (runtime.Object, error) {
			// Throwaway the newObj. We care only about the latest pod obtained from etcd (oldObj).
			// So we can add DisruptionTarget condition in conditionAppender without conflicts.
			latestPod := oldObj.(*api.Pod).DeepCopy()
			if options.Preconditions != nil {

	logger := klog.FromContext(ctx)
	endpointSliceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: c.onEndpointSliceAdd,
		UpdateFunc: func(oldObj, newObj interface{}) {
			c.onEndpointSliceUpdate(logger, oldObj, newObj)
		},
		DeleteFunc: c.onEndpointSliceDelete,
	})

	c.endpointSliceLister = endpointSliceInformer.Lister()

	}

	daemonSetInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			dsc.addDaemonset(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			dsc.updateDaemonset(logger, oldObj, newObj)
		},
		DeleteFunc: func(obj interface{}) {
			dsc.deleteDaemonset(logger, obj)
		},
	})
	dsc.dsLister = daemonSetInformer.Lister()

	}

	return fields
}

func (statusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
	newObj := obj.(*apiextensions.CustomResourceDefinition)
	oldObj := old.(*apiextensions.CustomResourceDefinition)
	newObj.Spec = oldObj.Spec

	// Status updates are for only for updating status, not objectmeta.
	metav1.ResetObjectMetaForStatus(&newObj.ObjectMeta, &newObj.ObjectMeta)
}

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

func (i *scaleUpdatedObjectInfo) UpdatedObject(ctx context.Context, oldObj runtime.Object) (runtime.Object, error) {
	statefulset, ok := oldObj.DeepCopyObject().(*apps.StatefulSet)
	if !ok {
		return nil, errors.NewBadRequest(fmt.Sprintf("expected existing object type to be StatefulSet, got %T", statefulset))
	}