// a different Allocator as `arg`.
void deallocate_buffer(void* data, size_t len, void* arg);

class TensorInterface : public AbstractTensorInterface {
 public:
  TensorInterface() {}
  explicit TensorInterface(tensorflow::Tensor t) : tensor_(std::move(t)) {}
  ~TensorInterface() override {}

  void Release() override;

  DataType Type() const override;
  int NumDims() const override;