code: func getParentUIDFromJob(j batchv1.Job) (types.UID, bool) {
  	controllerRef := metav1.GetControllerOf(&j)
  
  	if controllerRef == nil {
  		return types.UID(""), false
  	}
  
  	if controllerRef.Kind != "CronJob" {
  		klog.V(4).Infof("Job with non-CronJob parent, name %s namespace %s", j.Name, j.Namespace)
  		return types.UID(""), false
  	}
  
  	return controllerRef.UID, true
  }
docs: // getParentUIDFromJob extracts UID of job's parent and whether it was found