type TagWatcher interface {
	Run(stopCh <-chan struct{})
	HasSynced() bool
	AddHandler(handler TagHandler)
	GetMyTags() sets.String
}

// TagHandler is a callback for when the tags revision change.
type TagHandler func(sets.String)

type tagWatcher struct {
	revision string
	handlers []TagHandler

	queue    controllers.Queue
	webhooks kclient.Client[*admissionregistrationv1.MutatingWebhookConfiguration]

	// made a mistake somewhere in sigtramp.
	if _ureg == nil || note == nil {
		print("sighandler: ureg ", _ureg, " note ", note, "\n")
		goto Throw
	}
	// Check that the note is no more than ERRMAX bytes (including
	// the trailing NUL). We should never receive a longer note.
	if len(notestr) > _ERRMAX-1 {
		print("sighandler: note is longer than ERRMAX\n")
		goto Throw
	}
	if isAbortPC(c.pc()) {