/**
 * @see [微信官方文档](https://mp.weixin.qq.com/debug/wxadoc/dev/api/scancode.html#wxscancodeobject)
 * @param onlyFromCamera [boolean] 是否只能从相机扫码，不允许从相册选择图片
 */
/// <reference types="weixin-app" />
export default function scan_code(onlyFromCamera?: boolean): Promise<wx.ScanCodeData>;