code: func NewRealStatefulSetStatusUpdater(
  	client clientset.Interface,
  	setLister appslisters.StatefulSetLister) StatefulSetStatusUpdaterInterface {
  	return &realStatefulSetStatusUpdater{client, setLister}
  }
docs: // NewRealStatefulSetStatusUpdater returns a StatefulSetStatusUpdaterInterface that updates the Status of a StatefulSet,
  // using the supplied client and setLister.