code: func NewManager(rootDirectory string, podManager kubepod.Manager) (Manager, error) {
  	regPath := path.Join(rootDirectory, config.DefaultKubeletPluginContainersDirName)
  
  	// Create the directory on startup
  	os.MkdirAll(regPath, 0700)
  
  	return &basicManager{
  		registrationDirectory: regPath,
  		podManager:            podManager,
  	}, nil
  }
docs: // NewManager returns a new mount pod manager.