TfLiteRegistration* Register_NEG() {
  static TfLiteRegistration r = {/*init=*/nullptr, /*free=*/nullptr,
                                 neg::Prepare, neg::Eval};
  return &r;
}
TfLiteRegistration* Register_NEG() {
  static TfLiteRegistration r = { nullptr,  nullptr,
                                 neg::Prepare, neg::Eval};
  return &r;
}