this is generating __init__ methods for dataclasses,
越来越多的城市打出“独行友好”的title，设立24小时游客服务站、推出“一人食”餐饮地图、提供免费行李寄存等。
，更多细节参见safew官方下载
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00296-3
future in a loop until it's finished.There is a loop, but it's not really "inside" the .await.