// attempted for testing.
func (m *manager) syncBatch(all bool) int {
	type podSync struct {
		podUID    types.UID
		statusUID kubetypes.MirrorPodUID
		status    versionedPodStatus
	}

	var updatedStatuses []podSync
	podToMirror, mirrorToPod := m.podManager.GetUIDTranslations()
	func() { // Critical section
		m.podStatusesLock.RLock()