sess,
        tags,
        signature_def_map={signature_key: sig_def},
        main_op=init_op,
        assets_collection=assets_collection,
    )
    v1_builder.save()

  def _create_simple_gather_and_conv_model(
      self,
      input_type: dtypes.DType,
      filter_shape: Sequence[int],
      is_qat_model: bool = False,
  ) -> module.Module:
    class SimpleGatherAndConvModel(module.Module):