// 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);
}

    // kFunc attribute and it is treated as normal one.
    TF_ASSIGN_OR_RETURN(auto attr,
                        ConvertAttributeValue(name_and_value.second));
    std::string attr_name =
        mangling_util::MangleAttributeName(name_and_value.first);
    attributes.push_back(builder_.getNamedAttr(attr_name, attr));
  }

  // Checks opdef stateful attribute and import that as Function Attribute