EXPECT_EQ(SavedModelWriteApi("foo").value(), 0);
  SavedModelWriteApi("foo").IncrementBy(1);
  EXPECT_EQ(SavedModelWriteApi("foo").value(), 1);

  EXPECT_EQ(SavedModelWriteCount("1").value(), 0);
  SavedModelWriteCount("1").IncrementBy(1);
  EXPECT_EQ(SavedModelWriteCount("1").value(), 1);
}

TEST(MetricsTest, TestSavedModelRead) {
  SavedModelReadApi("bar").IncrementBy(1);
  EXPECT_EQ(SavedModelReadApi("bar").value(), 1);

// has 1 field "write_version", which is equal to the
// `tensorflow::libexport::GetWriteVersion` of the protobuf and should be
// incremented when a SavedModel has been successfully written.
monitoring::CounterCell& SavedModelWriteCount(absl::string_view write_version);

// Returns "/tensorflow/core/saved_model/read/count" cell. This metric
// has 1 field "write_version", which is equal to the

    "/tensorflow/core/checkpoint/sharding/callback_description",
    "Describes the callback used to shard the checkpoint during saving.");

monitoring::CounterCell& SavedModelWriteCount(absl::string_view write_version) {
  return *saved_model_write_counter->GetCell(std::string(write_version));
}

monitoring::CounterCell& SavedModelReadCount(absl::string_view write_version) {