/// <reference types="node" />
import * as EventEmitter from 'events';
import { Uploader, UploaderConfig } from '../interface';
import './config';
declare class S3Uploader extends EventEmitter implements Uploader {
    private readonly bucket;
    private readonly keyPrefix;
    private fileCount;
    private finishedCount;
    constructor(config: UploaderConfig);
    private checkIsAllDone;
    private success;
    uploadDir(distDir: string): Promise<void>;
    uploadFile(filepath: string): Promise<any>;
}
export default S3Uploader;