input_shape=(1, 3, 4, 3), filter_shape=(2, 3, 3, 2)
    )

    signatures = {
        'serving_default': model.conv.get_concrete_function(),
    }
    save_opts = save_options.SaveOptions(
        function_aliases={'conv_func': model.conv}
    )

    saved_model_save.save(
        model, self._input_saved_model_path, signatures, save_opts
    )