TEST(MetricsTest, TestFoundFingerprintOnLoad) {
  EXPECT_EQ(SavedModelFoundFingerprintOnLoad().value(), "");

  SavedModelFoundFingerprintOnLoad().Set(kFingerprintFound);
  EXPECT_EQ(SavedModelFoundFingerprintOnLoad().value(), "FOUND");
  SavedModelFoundFingerprintOnLoad().Set(kFingerprintNotFound);
  EXPECT_EQ(SavedModelFoundFingerprintOnLoad().value(), "NOT_FOUND");
  SavedModelFoundFingerprintOnLoad().Set(kFingerprintError);

ParseSavedModelPathAndSingleprint(std::string path_and_singleprint);

// Returns string status indicating whether or not the fingerprint.pb file was
// found when loading the SavedModel.
monitoring::GaugeCell<std::string>& SavedModelFoundFingerprintOnLoad();

// Returns "/tensorflow/core/checkpoint/read/read_durations" cell belonging to
// field `api_label`.
monitoring::SamplerCell& CheckpointReadDuration(absl::string_view api_label);

        "Invalid path_and_singleprint argument. Empty singleprint.");
  }
  return std::pair<std::string, std::string>(path, singleprint);
}

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

monitoring::SamplerCell& CheckpointReadDuration(absl::string_view api_label) {