AddInputFromArray<int64_t>(TensorShape({0}), {});

  TF_CHECK_OK(RunOpKernel());
  kernel_.reset();

  CalibrationStatisticsMap statistics_map;
  TF_CHECK_OK(
      ReadBinaryProto(Env::Default(), output_file_path, &statistics_map));
  ASSERT_THAT(statistics_map.statistics(), SizeIs(1));
  ASSERT_THAT(statistics_map.statistics(), ElementsAre(Key("1")));

    absl::string_view export_dir, std::string pb_file) {
  // Version of the code that produced the fingerprint.
  const int kFingerprintProducer = 1;

  SavedModel saved_model;
  TF_RETURN_IF_ERROR(ReadBinaryProto(Env::Default(), pb_file, &saved_model));

  // Create a copy of `metagraph` which will be used and mutated for fingerprint
  // computation.
  FingerprintDef fingerprint_def;

}

static Status ReadProtoFile(const string& fname, protobuf::Message* proto) {
  if (absl::EndsWith(fname, ".pbtxt")) {
    return ReadTextProto(Env::Default(), fname, proto);
  } else {
    return ReadBinaryProto(Env::Default(), fname, proto);
  }
}

static absl::once_flag targets_init;

static void InitializeTargets() {
  // Initialize all LLVM targets so we can cross compile.
#if TF_LLVM_AARCH32_AVAILABLE