def METHOD_NAME(cg):
    from json import loads, dumps
    dataset_info = cg.meta.dataset_info
    dummy_app_info = {"app": {"supported_api_versions": [0, 1]}}
    info = {**dataset_info, **dummy_app_info}
    info["mesh"] = cg.meta.custom_data.get("mesh", {}).get("dir", "graphene_meshes")
    info_str = dumps(info)
    return loads(info_str)