namespace tflite {
// Options for exporting to Flatbuffer.
struct FlatbufferExportOptions {
  // TocoFlags proto. The following fields are migrated.
  // bool emit_builtin_tflite_ops  -> !toco_flags.force_select_tf_ops()
  // bool emit_select_tf_ops       -> toco_flags.enable_select_tf_ops()
  // bool emit_custom_ops          -> toco_flags.allow_custom_ops()
  // bool allow_all_select_tf_ops  -> toco_flags.allow_all_select_tf_ops()

  TF_ASSIGN_OR_RETURN(
      auto module, ConvertGraphdefToMlir(input, debug_info, specs, &context));

  mlir::TFL::PassConfig pass_config(quant_specs);
  bool emit_builtin_tflite_ops = !toco_flags.force_select_tf_ops();
  pass_config.emit_builtin_tflite_ops = emit_builtin_tflite_ops;
  pass_config.unfold_batch_matmul = toco_flags.unfold_batchmatmul();
  pass_config.lower_tensor_list_ops = toco_flags.lower_tensor_list_ops();

  TF_RETURN_IF_ERROR(internal::RegisterAllCustomOps(toco_flags));

  mlir::TFL::PassConfig pass_config(quant_specs);
  bool emit_builtin_tflite_ops = !toco_flags.force_select_tf_ops();
  pass_config.emit_builtin_tflite_ops = emit_builtin_tflite_ops;
  pass_config.enable_tflite_variables =
      toco_flags.enable_tflite_resource_variables();

    TF_RETURN_IF_ERROR(HandleInputOutputArraysWithModule(model_flags, &module));
  }

  mlir::TFL::PassConfig pass_config(quant_specs);
  bool emit_builtin_tflite_ops = !toco_flags.force_select_tf_ops();
  pass_config.emit_builtin_tflite_ops = emit_builtin_tflite_ops;
  pass_config.enable_tflite_variables =
      toco_flags.enable_tflite_resource_variables();

      toco_flags.tf_quantization_mode().empty()) {
    // TODO(haoliang): Add this pass by default.
    pass_manager->addPass(mlir::TFL::CreateLowerStaticTensorListPass(
        /*allow_tensorlist_pass_through=*/toco_flags.force_select_tf_ops() ||
            toco_flags.enable_select_tf_ops(),
        /*default_to_single_batch=*/
        toco_flags.default_to_single_batch_in_tensor_list_ops(),
        /*enable_dynamic_update_slice=*/

    // The first buffer must be empty according to the schema definition.
    empty_buffer_ = tflite::CreateBuffer(builder_);
    buffers_.push_back(empty_buffer_);
    if (!toco_flags.force_select_tf_ops()) {
      enabled_op_types_.emplace(OpType::kTfliteBuiltin);
    }
    if (toco_flags.enable_select_tf_ops()) {
      enabled_op_types_.emplace(OpType::kSelectTf);
    }