code: func (w *AtomicWriter) removeUserVisiblePaths(paths sets.String) error {
  	ps := string(os.PathSeparator)
  	var lasterr error
  	for p := range paths {
  		// only remove symlinks from the volume root directory (i.e. items that don't contain '/')
  		if strings.Contains(p, ps) {
  			continue
  		}
  		if err := os.Remove(filepath.Join(w.targetDir, p)); err != nil {
  			klog.Errorf("%s: error pruning old user-visible path %s: %v", w.logContext, p, err)
  			lasterr = err
  		}
  	}
  
  	return lasterr
  }
docs: // removeUserVisiblePaths removes the set of paths from the user-visible
  // portion of the writer's target directory.