/// <reference types="node" />
import { Wecom, WecomConfig } from "../../wecom";
import { IMediaRet, IMediaType } from "./interface";
import { AxiosResponse } from "axios";
import { ReadStream } from "fs";
/**
 * @description 企业微信素材管理
 * @export
 * @class Media
 * @extends {Wecom}
 */
export declare class Media extends Wecom {
    constructor(config: Partial<WecomConfig>);
    /**
     * @description 上传文件到企业微信
     * @template T
     * @template R
     * @param {(Buffer | ReadStream)} file
     * @param {IMediaType} [type="file"]
     * @return {*}  {Promise<R>}
     * @memberof Media
     */
    upload(file: Buffer | ReadStream, type?: IMediaType): Promise<AxiosResponse<IMediaRet>>;
}