return nil, fmt.Errorf("could not initialize volume plugins for PersistentVolume Controller: %w", err)
	}

	p.VolumeInformer.Informer().AddEventHandler(
		cache.ResourceEventHandlerFuncs{
			AddFunc:    func(obj interface{}) { controller.enqueueWork(ctx, controller.volumeQueue, obj) },
			UpdateFunc: func(oldObj, newObj interface{}) { controller.enqueueWork(ctx, controller.volumeQueue, newObj) },

		}
	}

	// Watch add/update events for APIServices
	apiServiceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{ //nolint:errcheck // no way to return error
		AddFunc:    func(obj interface{}) { handleAPIServiceChange(obj.(*v1.APIService)) },
		UpdateFunc: func(old, new interface{}) { handleAPIServiceChange(new.(*v1.APIService)) },
	})

// so calls can be chained.
func (t *Template) Funcs(funcMap FuncMap) *Template {
	t.init()
	t.muFuncs.Lock()
	defer t.muFuncs.Unlock()
	addValueFuncs(t.execFuncs, funcMap)
	addFuncs(t.parseFuncs, funcMap)
	return t
}

// Lookup returns the template with the given name that is associated with t.
// It returns nil if there is no such template or the template has no definition.

	// Unit tests don't use informers
	if informer != nil {
		// Cannot fail in practice?! No-one bothers checking the error.
		_, _ = informer.AddEventHandler(
			cache.ResourceEventHandlerFuncs{
				AddFunc:    c.add,
				UpdateFunc: c.update,
				DeleteFunc: c.delete,
			},
		)
	}
	return c
}

func (c *AssumeCache) add(obj interface{}) {
	if obj == nil {
		return
	}

			workqueue.DefaultTypedControllerRateLimiter[string](),
			workqueue.TypedRateLimitingQueueConfig[string]{Name: "crd_finalizer"},
		),
	}

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

	c.syncFn = c.sync

	return c
}

func (c *CRDFinalizer) sync(key string) error {

	c.crdMutationCache = cache.NewIntegerResourceVersionMutationCache(informerIndexer, informerIndexer, 60*time.Second, false)

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

	c.syncFn = c.sync

	return c
}

		}
		if err := goodFunc(name, v.Type()); err != nil {
			panic(err)
		}
		out[name] = v
	}
}

// addFuncs adds to values the functions in funcs. It does no checking of the input -
// call addValueFuncs first.
func addFuncs(out, in FuncMap) {
	for name, fn := range in {
		out[name] = fn
	}
}

			workqueue.TypedRateLimitingQueueConfig[string]{Name: "ttl_jobs_to_delete"},
		),
	}

	logger := klog.FromContext(ctx)
	jobInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			tc.addJob(logger, obj)
		},
		UpdateFunc: func(oldObj, newObj interface{}) {
			tc.updateJob(logger, oldObj, newObj)
		},
	})

	tc.jLister = jobInformer.Lister()

		),
		internalStopCh: make(chan struct{}),
		tree:           iptree.New[*Allocator](),
		ipFamily:       family,
	}

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

	go c.run()

	return c, nil
}

func (c *MetaAllocator) addServiceCIDR(obj interface{}) {

		AddFunc: e.onServiceUpdate,
		UpdateFunc: func(old, cur interface{}) {
			e.onServiceUpdate(cur)
		},
		DeleteFunc: e.onServiceDelete,
	})
	e.serviceLister = serviceInformer.Lister()
	e.servicesSynced = serviceInformer.Informer().HasSynced

	podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    e.addPod,
		UpdateFunc: e.updatePod,