TFE_MonitoringSampler0* sampler);

// APIs for Sampler with 1 label.
typedef struct TFE_MonitoringSampler1 TFE_MonitoringSampler1;
TF_CAPI_EXPORT extern TFE_MonitoringSampler1* TFE_MonitoringNewSampler1(
    const char* name, TFE_MonitoringBuckets* buckets, TF_Status* out_status,
    const char* description, const char* label1);
TF_CAPI_EXPORT extern void TFE_MonitoringDeleteSampler1(

  TF_DeleteStatus(status);
}

TEST(CAPI, MonitoringMultipleSampler) {
  TF_Status* status = TF_NewStatus();
  auto* buckets = TFE_MonitoringNewExponentialBuckets(1.0, 2.0, 2);
  auto* sampler1 = TFE_MonitoringNewSampler1("test/sampler1", buckets, status,
                                             "test", "label1");
  CHECK_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);

    TFE_MonitoringSampler0* sampler) {
  return static_cast<TFE_MonitoringSamplerCell*>(
      static_cast<void*>(sampler->sampler->GetCell()));
}

TFE_MonitoringSampler1* TFE_MonitoringNewSampler1(
    const char* name, TFE_MonitoringBuckets* buckets, TF_Status* status,
    const char* description, const char* label1) {
  auto* result = new TFE_MonitoringSampler1(