// on `tf.TensorList*` ops.
std::optional<ConstBytesAttr> CustomOptions(MLIRContext* context,
                                            mlir::Operation* op) {
  if (auto reserve =
          llvm::dyn_cast_or_null<mlir::TF::TensorListReserveOp>(op)) {
    tflite::TensorType tflite_type =
        tflite::ConvertTypeToTensorType(reserve.getElementDtype());

    return CreateListReserveOptions(context, tflite_type);
  }

      // $element_shape
      CompileTimeConstantOperand<TF::TensorListFromTensorOp, 1>,
      // $element_shape, $num_elements
      CompileTimeConstantOperand<TF::TensorListReserveOp, 0, 1>,
      // $begin, $end, $strides
      CompileTimeConstantOperand<TF::TensorStridedSliceUpdateOp, 1, 2, 3>,
      CompileTimeConstantOperand<TF::TileOp, 1>,                // $multiples

  list.getHandle().replaceAllUsesWith(buffer);
  (*buffer_to_size)[buffer] = {size, /*fixed=*/false};
  list.erase();
  return success();
}

LogicalResult HandleTensorListReserveOp(
    TF::TensorListReserveOp list,
    llvm::SmallDenseMap<Value, SizeInfo>* buffer_to_size) {
  Value buffer;
  OpBuilder builder(list);
  llvm::SmallVector<int64_t, 8> element_shape;

      GET_OPERATION_NAME(mlir::TF::TensorArrayScatterV3Op),
      // Tensor List Ops.
      GET_OPERATION_NAME(mlir::TF::EmptyTensorListOp),
      GET_OPERATION_NAME(mlir::TF::TensorListReserveOp),
      GET_OPERATION_NAME(mlir::TF::TensorListFromTensorOp),
      GET_OPERATION_NAME(mlir::TF::TensorListPushBackOp),
      GET_OPERATION_NAME(mlir::TF::TensorListPopBackOp),