)

// waitingPodsMap a thread-safe map used to maintain pods waiting in the permit phase.
type waitingPodsMap struct {
	pods map[types.UID]*waitingPod
	mu   sync.RWMutex
}

// NewWaitingPodsMap returns a new waitingPodsMap.
func NewWaitingPodsMap() *waitingPodsMap {
	return &waitingPodsMap{
		pods: make(map[types.UID]*waitingPod),
	}
}

// add a new WaitingPod to the map.
func (m *waitingPodsMap) add(wp *waitingPod) {