static constexpr char kMlirLegalizeErrors[] =
    "/tensorflow/core/tf2xla/v1/mlir_failed_xla_legalize_tf_pass_count";
static constexpr char kBridgeStatusCounter[] =
    "/tensorflow/core/tf2xla/api/v2/phase2_compilation_status";
constexpr char kMlirCombinedMlirSuccess[] = "kMlirCombinedMlirSuccess";
constexpr char kMlirCombinedOldSuccess[] = "kMlirCombinedOldSuccess";
constexpr char kMlirCombinedOldFailure[] = "kMlirCombinedOldFailure";

static constexpr char kCompilationTimeStreamzName[] =
    "/tensorflow/core/tf2xla/api/v1/phase2_compilation_time";

static constexpr char kCompilationStatusStreamzName[] =
    "/tensorflow/core/tf2xla/api/v1/phase2_compilation_status";

static constexpr char kPlatformName[] = "Host";
constexpr char kEntryFuncName[] = "main";

static constexpr char kMlirModuleStr[] = R"(

using ::tensorflow::tpu::ShardingAndIndex;

auto* phase2_bridge_compilation_status =
    tensorflow::monitoring::Counter<1>::New(
        "/tensorflow/core/tf2xla/api/v1/"
        "phase2_compilation_status", /*metric_name*/
        "Tracks the compilation status of the non-mlir bridge",
        /* metric description */ "status" /* metric label */);

auto* phase2_bridge_compilation_time = tsl::monitoring::Sampler<1>::New(

    "/tensorflow/core/tf2xla/api/v2/phase2_compilation_time";
static constexpr char kFullBridge[] = "full_bridge";
static constexpr char kCompilationStatusStreamzName[] =
    "/tensorflow/core/tf2xla/api/v2/phase2_compilation_status";
static const char kMlirWithFallbackModeSuccess[] =
    "kMlirWithFallbackModeSuccess";
static const char kMlirWithFallbackModeFailure[] =
    "kMlirWithFallbackModeFailure";