// Mangles an attribute name, marking the attribute as a TensorFlow attribute.
string MangleAttributeName(absl::string_view str);

// Returns true if 'str' was mangled with MangleAttributeName.
bool IsMangledAttributeName(absl::string_view str);

// Demangles an attribute name that was manged with MangleAttributeName.
// REQUIRES: IsMangledAttributeName returns true.
absl::string_view DemangleAttributeName(absl::string_view str);

const char kAttributePrefix[] = "tf.";
const char kDataTypePrefix[] = "tfdtype$";
const char kTensorShapePrefix[] = "tfshape$";
const char kTensorPrefix[] = "tftensor$";

}  // namespace

string MangleAttributeName(absl::string_view str) {
  return absl::StrCat(kAttributePrefix, str);
}

bool IsMangledAttributeName(absl::string_view str) {
  return absl::StartsWith(str, kAttributePrefix);
}