code: func (s *persistentVolumeLister) Get(name string) (*v1.PersistentVolume, error) {
  	obj, exists, err := s.indexer.GetByKey(name)
  	if err != nil {
  		return nil, err
  	}
  	if !exists {
  		return nil, errors.NewNotFound(v1.Resource("persistentvolume"), name)
  	}
  	return obj.(*v1.PersistentVolume), nil
  }
docs: // Get retrieves the PersistentVolume from the index for a given name.