code: func GetUniqueVolumeName(pluginName, volumeName string) v1.UniqueVolumeName {
  	return v1.UniqueVolumeName(fmt.Sprintf("%s/%s", pluginName, volumeName))
  }
docs: // GetUniqueVolumeName returns a unique name representing the volume/plugin.
  // Caller should ensure that volumeName is a name/ID uniquely identifying the
  // actual backing device, directory, path, etc. for a particular volume.
  // The returned name can be used to uniquely reference the volume, for example,
  // to prevent operations (attach/detach or mount/unmount) from being triggered
  // on the same volume.