class ConvertTensorTest : public ::testing::Test {
 protected:
  template <typename T>
  void VerifyConversion(std::initializer_list<T> values, DataType dtype,
                        mlir::Type expected_ty) {
    mlir::Builder b(expected_ty.getContext());
    Tensor tensor(dtype, TensorShape({static_cast<int64_t>(values.size())}));
    tensor.flat<T>().setValues(values);

    auto value_or = ConvertTensor(tensor, &b);

}

Status ConvertAttribute(mlir::Type type, bool remove_ref_type,
                        AttrValue* value) {
  DataType dtype;
  TF_RETURN_IF_ERROR(ConvertToDataType(type, &dtype));
  if (tensorflow::IsRefType(dtype)) dtype = tensorflow::RemoveRefType(dtype);
  value->set_type(dtype);
  return absl::OkStatus();
}

Status ConvertAttribute(const mlir::TypeAttr& type, bool remove_ref_type,

    size_t idx = type_and_idx.index();
    auto result_ty = mlir::cast<mlir::RankedTensorType>(type_and_idx.value());

    // If the result type isn't static, then the owner of the result may be a
    // cast op from a more specific bounded type to an unbounded dynamic type.
    // Use the bounded type to get the buffer size.
    mlir::RankedTensorType buffer_ty = result_ty;
    if (!buffer_ty.hasStaticShape()) {

        operation->SetOpName(absl::StrCat("_input_", inputs_.size()).c_str()));
    TF_RETURN_IF_ERROR(operation->SetAttrType("dtype", dtype));
    if (!shape.unknown_rank()) {
      TF_RETURN_IF_ERROR(operation->SetAttrShape(
          "shape", reinterpret_cast<int64_t*>(shape.dim_sizes().data()),
          shape.dims()));
    }
    int num_outputs = 1;
    std::vector<AbstractTensorHandle*> outputs(num_outputs);

    for (auto type : inst.getResultTypes())
      if (!mlir::isa<mlir::TensorType, mlir::tf_executor::ControlType,
                     mlir::tf_executor::TokenType>(type))
        return errors::InvalidArgument(
            "Values must be of tensor type, TensorFlow control type, or "
            "TensorFlow token type. Found ",
            mlir::debugString(type));

    for (auto type : inst.getResultTypes())
      if (!mlir::isa<mlir::TensorType, mlir::tf_executor::ControlType,
                     mlir::tf_executor::TokenType>(type))
        return errors::InvalidArgument(
            "Values must be of tensor type, TensorFlow control type, or "
            "TensorFlow token type. Found ",
            mlir::debugString(type));

      // Return values
      {"y: float"},
      // Attr def
      {},
      // Nodes
      {
          {{"two"},
           "Const",
           {},
           {{"value", test::AsScalar<int32>(2)}, {"dtype", DT_INT64}}},
          {{"scale"},
           "Cast",
           {"two"},
           {{"SrcT", DT_INT64}, {"DstT", DT_FLOAT}}},
          {{"y"}, "Mul", {"x", "scale"}, {{"T", DT_FLOAT}}},
      });

                               tensorflow::CustomDevice* device,
                               tensorflow::DataType dtype, void* data,
                               TFE_CustomDeviceTensorHandleMethods methods)
      : tensorflow::CustomDeviceTensorHandle(context, device, dtype),
        data_(data),
        methods_(methods) {}

  ~CAPICustomDeviceTensorHandle() override { methods_.deallocator(data_); }

      const Tensor* value = variable.var()->tensor();
      arg.type = value->dtype();
      arg.shape = value->shape();
      arg.initialized = true;
    } else {
      // Instead of embedding constant into HLO,
      // we handle tf.constant as parameter to reduce size.
      arg.kind = XlaCompiler::Argument::kParameter;
      arg.type = input->dtype();
      arg.shape = input->shape();
    }
    args.push_back(arg);

                                                void* data, size_t len,
                                                TF_Status* status) {
  auto dtype = static_cast<tensorflow::DataType>(data_type);
  DCHECK(tensorflow::DataTypeCanUseMemcpy(dtype));

  tensorflow::Tensor tensor(dtype, tensorflow::TensorShape({}));
  std::memcpy(tensorflow::TensorCApi::Buffer(tensor)->data(), data, len);

  status->status = absl::OkStatus();