return err
	}
	s.postStartHooks[name] = postStartHookEntry{hook: hook, originatingStack: string(debug.Stack()), done: done}

	return nil
}

// AddPostStartHookOrDie allows you to add a PostStartHook, but dies on failure
func (s *GenericAPIServer) AddPostStartHookOrDie(name string, hook PostStartHookFunc) {
	if err := s.AddPostStartHook(name, hook); err != nil {
		klog.Fatalf("Error registering PostStartHook %q: %v", name, err)
	}

			name, hook, err := postHookProvider.PostStartHook()
			if err != nil {
				return fmt.Errorf("error building PostStartHook: %w", err)
			}
			s.GenericAPIServer.AddPostStartHookOrDie(name, hook)
		}

		if len(groupName) == 0 {
			// the legacy group for core APIs is special that it is installed into /api via this special install method.