std::unique_ptr<Asset>* output) {
  std::string abs_path =
      io::JoinPath(saved_model_dir, kSavedModelAssetsDirectory, asset_filename);
  AbstractTensorPtr tensor(ctx->CreateStringScalar(abs_path));
  if (tensor.get() == nullptr) {
    return absl::InternalError(absl::StrCat(
        "Failed to create scalar string tensor for Asset at path ", abs_path));
  }

Status CreateStringScalarTensorHandle(ImmediateExecutionContext* ctx,
                                      const std::string& s,
                                      ImmediateTensorHandlePtr* out) {
  AbstractTensorPtr tensor(ctx->CreateStringScalar(s));
  if (tensor.get() == nullptr) {
    return errors::Internal(
        "Failed to create scalar string tensor for checkpoint restore");
  }

  out->reset(ctx->CreateLocalHandle(tensor.get()));

  virtual AbstractTensorInterface* CreateDoubleScalar(double value) = 0;
  virtual AbstractTensorInterface* CreateHalfScalar(Eigen::half value) = 0;
  virtual AbstractTensorInterface* CreateStringScalar(tstring value) = 0;
  virtual AbstractTensorInterface* CreateComplex128Scalar(complex128 value) = 0;
  virtual AbstractTensorInterface* CreateBoolScalar(bool value) = 0;

  // Tensor creation functions