code: func (sc snapCryptor) New(dirpath string) Snapshotter {
  	return &wrappedSnap{
  		Snapshotter: snap.New(dirpath),
  		encrypter:   sc.encrypter,
  		decrypter:   sc.decrypter,
  	}
  }
docs: // NewSnapshotter returns a new Snapshotter with the given encrypters and decrypters