string MangleShape(const TensorShapeProto& shape) {
  return absl::StrCat(kTensorShapePrefix, PrintShortTextProto(shape));
}

Status DemangleShape(absl::string_view str, TensorShapeProto* proto) {
  return ParseTextProto(str, kTensorShapePrefix, proto);
}

string MangleTensor(const TensorProto& tensor) {
  return absl::StrCat(kTensorPrefix, PrintShortTextProto(tensor));
}

Status DemangleTensor(absl::string_view str, TensorProto* proto) {