/// <reference types="weixin-app" />
/**
 * @see [微信官方文档](https://mp.weixin.qq.com/debug/wxadoc/dev/api/file.html#wxsavefileobject)
 * @param tempFilePath [string] 需要保存的文件的临时路径;
 */
export default function save_file(tempFilePath: string): Promise<{
    msg: wx.SavedFileData;
    success: boolean;
}>;