auto iter = registry_.find(op_name);
  if (iter != registry_.end()) {
    const string error_msg = "Gradient already exists for op: " + op_name + ".";
    return errors::AlreadyExists(error_msg);
  }
  registry_.insert({op_name, gradient_function_factory});
  return absl::OkStatus();
}
Status GradientRegistry::Lookup(
    const ForwardOperation& op,

- If a conflict occurs when creating an object with `generateName`, the server now returns an "AlreadyExists" error with a retry option. ([#104699](https://github.com/kubernetes/kubernetes/pull/104699), [@vincepri](https://github.com/vincepri))