}
  }
  ~Params() {
    TF_DeleteStatus(status);
    TF_DeleteTensor(tags);
    TF_DeleteTensor(values);
  }
};

// dummy functions used for kernel registration
void* ScalarSummaryOp_Create(TF_OpKernelConstruction* ctx) { return nullptr; }

void ScalarSummaryOp_Delete(void* kernel) {}

// Helper functions for compute method
bool IsSameSize(TF_Tensor* tensor1, TF_Tensor* tensor2);