castObj := obj.(*apiextensionsv1.CustomResourceDefinition)
	klog.V(4).Infof("Adding customresourcedefinition %s", castObj.Name)
	c.enqueue(castObj)
}

func (c *Controller) updateCustomResourceDefinition(oldObj, newObj interface{}) {
	castNewObj := newObj.(*apiextensionsv1.CustomResourceDefinition)
	klog.V(4).Infof("Updating customresourcedefinition %s", castNewObj.Name)
	c.enqueue(castNewObj)
}

		cache.ResourceEventHandlerFuncs{
			AddFunc: func(obj interface{}) {
				namespace := obj.(*v1.Namespace)
				namespaceController.enqueueNamespace(namespace)
			},
			UpdateFunc: func(oldObj, newObj interface{}) {
				namespace := newObj.(*v1.Namespace)
				namespaceController.enqueueNamespace(namespace)
			},
		},
		resyncPeriod,
	)
	namespaceController.lister = namespaceInformer.Lister()

	if serviceAccount, ok := obj.(*v1.ServiceAccount); ok {
		e.syncServiceAccountQueue.Add(makeServiceAccountKey(serviceAccount))
	}
}

func (e *TokensController) queueServiceAccountUpdateSync(oldObj interface{}, newObj interface{}) {
	if serviceAccount, ok := newObj.(*v1.ServiceAccount); ok {
		e.syncServiceAccountQueue.Add(makeServiceAccountKey(serviceAccount))
	}
}

		// lookup the statefulset and enqueue
		AddFunc: func(obj interface{}) {
			ssc.addPod(logger, obj)
		},
		// lookup current and old statefulset if labels changed
		UpdateFunc: func(oldObj, newObj interface{}) {
			ssc.updatePod(logger, oldObj, newObj)
		},
		// lookup statefulset accounting for deletion tombstones
		DeleteFunc: func(obj interface{}) {
			ssc.deletePod(logger, obj)
		},
	})

			// so we don't have to be choosy about our key.
			AddFunc: func(obj interface{}) {
				c.queue.Add(c.keyFn())
			},
			UpdateFunc: func(oldObj, newObj interface{}) {
				c.queue.Add(c.keyFn())
			},
			DeleteFunc: func(obj interface{}) {
				c.queue.Add(c.keyFn())
			},
		},
	})

	return c, nil
}

	castObj := obj.(*apiserverinternalv1alpha1.StorageVersion)
	c.enqueueStorageVersion(logger, castObj)
}

func (c *Controller) onUpdateStorageVersion(logger klog.Logger, oldObj, newObj interface{}) {
	castNewObj := newObj.(*apiserverinternalv1alpha1.StorageVersion)
	c.enqueueStorageVersion(logger, castNewObj)
}

	castObj := obj.(*apiextensionsv1.CustomResourceDefinition)
	klog.V(4).Infof("Adding customresourcedefinition %s", castObj.Name)
	c.enqueue(castObj)
}

func (c *Controller) updateCustomResourceDefinition(oldObj, newObj interface{}) {
	castNewObj := newObj.(*apiextensionsv1.CustomResourceDefinition)
	klog.V(4).Infof("Updating customresourcedefinition %s", castNewObj.Name)
	c.enqueue(castNewObj)
}

		}
	}
}

// CreateUpdateNodeHandler creates a node update handler. (Common to lifecycle and ipam)
func CreateUpdateNodeHandler(f func(oldNode, newNode *v1.Node) error) func(oldObj, newObj interface{}) {
	return func(origOldObj, origNewObj interface{}) {
		node := origNewObj.(*v1.Node).DeepCopy()
		prevNode := origOldObj.(*v1.Node).DeepCopy()

		if err := f(prevNode, node); err != nil {

			// so we don't have to be choosy about our key.
			AddFunc: func(obj interface{}) {
				c.queue.Add(c.keyFn())
			},
			UpdateFunc: func(oldObj, newObj interface{}) {
				c.queue.Add(c.keyFn())
			},
			DeleteFunc: func(obj interface{}) {
				c.queue.Add(c.keyFn())
			},
		},
	})

			cfgCtlr.configQueue.Add(0)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			newPL := newObj.(*flowcontrol.PriorityLevelConfiguration)
			oldPL := oldObj.(*flowcontrol.PriorityLevelConfiguration)
			if !apiequality.Semantic.DeepEqual(oldPL.Spec, newPL.Spec) {