20 struct TORCH_API NestedTensorImpl : public c10::TensorImpl {  struct
51   const Tensor& get_nested_sizes() const {  in get_nested_sizes()
55   const Tensor& get_nested_strides() const {  in get_nested_strides()
58   const Tensor& get_storage_offsets() const {  in get_storage_offsets()
66   int64_t size(int64_t d) const {  in size()
83   at::Tensor get_buffer() const {  in get_buffer()
97   at::Tensor get_unsafe_storage_as_tensor() const {  in get_unsafe_storage_as_tensor()
107   size_t get_buffer_size() const {  in get_buffer_size()
119   int64_t size_custom(int64_t d) const override {  in size_custom()
122   c10::SymInt sym_size_custom(int64_t d) const override {  in sym_size_custom()
141   void shallow_copy_from(const c10::intrusive_ptr<TensorImpl>& impl) override {  in shallow_copy_from()
155   const at::Tensor nested_sizes_, nested_strides_;
169   const at::Tensor storage_offsets_;
174   mutable std::optional<std::vector<int64_t>> opt_sizes_;
210 inline NestedTensorImpl* get_nested_tensor_impl_or_null(  in get_nested_tensor_impl_or_null()  argument