fingerprint.set_graph_def_program_hash(2);
  fingerprint.set_signature_def_hash(3);
  fingerprint.set_saved_object_graph_hash(4);
  fingerprint.set_checkpoint_hash(5);

  std::string serialized_fingerprint_json = MakeFingerprintJson(fingerprint);

  EXPECT_EQ(
      serialized_fingerprint_json,
      "{\n\t\"checkpoint_hash\" : 5,\n\t\"graph_def_program_hash\" : "
      "2,\n\t\"saved_model_checksum\" : 1,\n\t\"saved_object_graph_hash\" : "

// and checkpoint_hash) of the SavedModel when it is imported.
monitoring::GaugeCell<std::string>& SavedModelReadPathAndSingleprint();

// Returns the fingerprint as a Json string.
std::string MakeFingerprintJson(FingerprintDef fingerprint_def);

// Returns canonical string concatenation of path and singleprint.
absl::StatusOr<std::string> MakeSavedModelPathAndSingleprint(
    std::string path, std::string singleprint);

  auto fingerprint_proto =
      saved_model::fingerprinting::ReadSavedModelFingerprint(export_dir);
  if (fingerprint_proto.ok()) {
    metrics::SavedModelReadFingerprint().Set(
        metrics::MakeFingerprintJson(fingerprint_proto.value()));

    TF_ASSIGN_OR_RETURN(
        std::string path_and_singleprint,
        metrics::MakeSavedModelPathAndSingleprint(
            export_dir, saved_model::fingerprinting::Singleprint(

  return *saved_model_write_path->GetCell();
}

monitoring::GaugeCell<std::string>& SavedModelWritePathAndSingleprint() {
  return *saved_model_write_path_and_singleprint->GetCell();
}

std::string MakeFingerprintJson(FingerprintDef fingerprint_def) {
  Json::Value fingerprint = Json::objectValue;
  fingerprint["saved_model_checksum"] =
      Json::UInt64(fingerprint_def.saved_model_checksum());