/// <reference types="weixin-app" />
/**
 * @see [微信官方文档](https://mp.weixin.qq.com/debug/wxadoc/dev/api/network-file.html#wxuploadfileobject)
 */
export default function upload_file(url: string, filePath: string, name: string, header?: wx.RequestHeader, formData?: any): Promise<wx.UploadFileResponse>;