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

	return c
}

	dc.getUpdater = func() updater { return dc.writePdbStatus }

	podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			dc.addPod(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			dc.updatePod(logger, oldObj, newObj)
		},
		DeleteFunc: func(obj interface{}) {
			dc.deletePod(logger, obj)
		},
	})
	dc.podLister = podInformer.Lister()

		),
	}

	rsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			rsc.addRS(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			rsc.updateRS(logger, oldObj, newObj)
		},
		DeleteFunc: func(obj interface{}) {
			rsc.deleteRS(logger, obj)
		},
	})
	rsInformer.Informer().AddIndexers(cache.Indexers{

	jobInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    jm.addJob,
		UpdateFunc: jm.updateJob,
		DeleteFunc: jm.deleteJob,
	})

	cronJobsInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			jm.enqueueController(obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			jm.updateCronJob(logger, oldObj, newObj)
		},

	s.notify()
	s.refreshPolicies()

	notifyFuncs := cache.ResourceEventHandlerFuncs{
		AddFunc: func(_ interface{}) {
			s.notify()
		},
		UpdateFunc: func(_, _ interface{}) {
			s.notify()
		},
		DeleteFunc: func(_ interface{}) {
			s.notify()
		},
	}
	handle, err := s.policyInformer.AddEventHandler(notifyFuncs)
	if err != nil {
		return err

		),
		tree:             iptree.New[sets.Set[string]](),
		workerLoopPeriod: time.Second,
	}

	_, _ = serviceCIDRInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addServiceCIDR,
		UpdateFunc: c.updateServiceCIDR,
		DeleteFunc: c.deleteServiceCIDR,
	})
	c.serviceCIDRLister = serviceCIDRInformer.Lister()
	c.serviceCIDRsSynced = serviceCIDRInformer.Informer().HasSynced

	nodeInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			key, err := cache.MetaNamespaceKeyFunc(obj)
			if err == nil {
				ra.queue.Add(key)
			}
		},
		UpdateFunc: func(old, new interface{}) {
			key, err := cache.MetaNamespaceKeyFunc(new)
			if err == nil {
				ra.queue.Add(key)
			}
		},
		DeleteFunc: func(obj interface{}) {

			slice, ok := obj.(*resourceapi.ResourceSlice)
			if !ok {
				return
			}
			logger.V(5).Info("ResourceSlice add", "slice", klog.KObj(slice))
			c.queue.Add(slice.DriverName)
		},
		UpdateFunc: func(old, new any) {
			oldSlice, ok := old.(*resourceapi.ResourceSlice)
			if !ok {
				return
			}
			newSlice, ok := new.(*resourceapi.ResourceSlice)
			if !ok {
				return
			}

	}

	metrics.RegisterMetrics()

	if _, err := podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			ec.enqueuePod(logger, obj, false)
		},
		UpdateFunc: func(old, updated interface{}) {
			ec.enqueuePod(logger, updated, false)
		},
		DeleteFunc: func(obj interface{}) {
			ec.enqueuePod(logger, obj, true)
		},
	}); err != nil {
		return nil, err
	}

	options.ResourceQuotaInformer.Informer().AddEventHandlerWithResyncPeriod(
		cache.ResourceEventHandlerFuncs{
			AddFunc: func(obj interface{}) {
				rq.addQuota(logger, obj)
			},
			UpdateFunc: func(old, cur interface{}) {
				// We are only interested in observing updates to quota.spec to drive updates to quota.status.
				// We ignore all updates to quota.Status because they are all driven by this controller.