import { ICoolFile, Mode, MODETYPE, CoolPlugin, PLUGINSTATUS } from "@cool-midway/core";
import { Context } from "egg";
import { IMidwayApplication } from "@midwayjs/core";
/**
 * oss上传
 */
export declare class OssFileHandler implements ICoolFile {
    init(): Promise<PLUGINSTATUS>;
    coolPlugin: CoolPlugin;
    app: IMidwayApplication;
    config: any;
    /**
     * 获得客户端
     * @returns
     */
    getClient(): Promise<any>;
    upload(ctx?: Context): Promise<any>;
    checkStatus(): Promise<PLUGINSTATUS.NOCONF | PLUGINSTATUS.USABLE | PLUGINSTATUS.CONFERR>;
    /**
     * 下载文件链接并上传到oss
     * @param url 文件链接
     * @param extend 扩展名
     * @param folder 文件夹
     * @returns
     */
    uploadWithPic(url: string, extend: string, folder?: string): Promise<any>;
    getMode(): Mode;
    getMetaFileObj(): {
        mode: MODETYPE;
        type: string;
    };
}