code: func (identityTransformer) TransformFromStorage(b []byte, context value.Context) ([]byte, bool, error) {
  	// identityTransformer has to return an error if the data is encoded using another transformer.
  	// JSON data starts with '{'. Protobuf data has a prefix 'k8s[\x00-\xFF]'.
  	// Prefix 'k8s:enc:' is reserved for encrypted data on disk.
  	if bytes.HasPrefix(b, []byte("k8s:enc:")) {
  		return []byte{}, false, fmt.Errorf("identity transformer tried to read encrypted data")
  	}
  	return b, false, nil
  }
docs: // TransformFromStorage returns the input bytes if the data is not encrypted