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);