code: func NewFakeHistory(informer appsinformers.ControllerRevisionInformer) Interface {
  	return &fakeHistory{informer.Informer().GetIndexer(), informer.Lister()}
  }
docs: // NewFakeHistory returns an instance of Interface that uses informer to create, update, list, and delete
  // ControllerRevisions. This method should be used to create an Interface for testing purposes.