logger.V(4).Info("Add DB", "podDisruptionBudget", klog.KObj(pdb))
	dc.enqueuePdb(logger, pdb)
}

func (dc *DisruptionController) updateDB(logger klog.Logger, old, cur interface{}) {
	// TODO(mml) ignore updates where 'old' is equivalent to 'cur'.
	pdb := cur.(*policy.PodDisruptionBudget)
	logger.V(4).Info("Update DB", "podDisruptionBudget", klog.KObj(pdb))
	dc.enqueuePdb(logger, pdb)
}

// up. If the labels of the pod have changed we need to awaken both the old
// and new replica set. old and cur must be *v1.Pod types.
func (rsc *ReplicaSetController) updatePod(logger klog.Logger, old, cur interface{}) {
	curPod := cur.(*v1.Pod)
	oldPod := old.(*v1.Pod)
	if curPod.ResourceVersion == oldPod.ResourceVersion {
		// Periodic resync will send update events for all known pods.

			cl.queue.Push(func() error {
				cl.onEvent(resourceGVK, nil, obj, model.EventAdd)
				return nil
			})
		},
		UpdateFunc: func(old, cur controllers.Object) {
			incrementEvent(kind, "update")
			cl.queue.Push(func() error {
				cl.onEvent(resourceGVK, old, cur, model.EventUpdate)
				return nil
			})
		},
		DeleteFunc: func(obj controllers.Object) {
			incrementEvent(kind, "delete")

	// get returns the value for key after applying add and del and
	// reports whether it changed. cur should be the current value
	// (i.e., before applying changes) and def should be the default
	// value (i.e., when no environment variables are provided at all).
	get := func(key, cur, def string) (string, bool) {
		if val, ok := add[key]; ok {
			return val, true
		}
		if del[key] {

	}
	return res
}

func (c *Controller) AdditionalPodSubscriptions(proxy *model.Proxy, addr, cur sets.String) sets.String {
	if !features.EnableAmbient {
		return nil
	}
	res := sets.New[string]()
	for _, p := range c.GetRegistries() {
		res = res.Merge(p.AdditionalPodSubscriptions(proxy, addr, cur))
	}
	return res
}

	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev     uint32
	Pad1    [3]int32
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32

	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev                uint64
	Ino                uint64
	Nlink              uint64
	Mode               uint32

	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev               uint64
	Ino               uint64
	Mode              uint32
	Nlink             uint32
	Uid               uint32

	Minflt   int32
	Majflt   int32
	Nswap    int32
	Inblock  int32
	Oublock  int32
	Msgsnd   int32
	Msgrcv   int32
	Nsignals int32
	Nvcsw    int32
	Nivcsw   int32
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev     uint32
	Pad1    [3]int32
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32

	Minflt   int32
	Majflt   int32
	Nswap    int32
	Inblock  int32
	Oublock  int32
	Msgsnd   int32
	Msgrcv   int32
	Nsignals int32
	Nvcsw    int32
	Nivcsw   int32
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev     uint32
	Pad1    [3]int32
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32