// down a Job.
		isIndexed := ptr.Deref(newJob.Spec.CompletionMode, batch.NonIndexedCompletion) == batch.IndexedCompletion

		isJobFinishedChanged := batchvalidation.IsJobFinished(oldJob) != batchvalidation.IsJobFinished(newJob)
		isJobCompleteChanged := batchvalidation.IsJobComplete(oldJob) != batchvalidation.IsJobComplete(newJob)
		isJobFailedChanged := batchvalidation.IsJobFailed(oldJob) != batchvalidation.IsJobFailed(newJob)

	tc.enqueueAfter(job, *t)
	return nil, nil
}

// needsCleanup checks whether a Job has finished and has a TTL set.
func needsCleanup(j *batch.Job) bool {
	return j.Spec.TTLSecondsAfterFinished != nil && jobutil.IsJobFinished(j)
}

func getFinishAndExpireTime(j *batch.Job) (*time.Time, *time.Time, error) {
	if !needsCleanup(j) {
		return nil, nil, fmt.Errorf("job %s/%s should not be cleaned up", j.Namespace, j.Name)
	}

	updateStatus := false

	childrenJobs := make(map[types.UID]bool)
	for _, j := range jobs {
		childrenJobs[j.ObjectMeta.UID] = true
		found := inActiveList(cronJob, j.ObjectMeta.UID)
		if !found && !jobutil.IsJobFinished(j) {
			cjCopy, err := jm.cronJobControl.GetCronJob(ctx, cronJob.Namespace, cronJob.Name)
			if err != nil {
				return nil, updateStatus, err
			}
			if inActiveList(cjCopy, j.ObjectMeta.UID) {