import Resume from './resume';
import Direct from './direct';
import Logger from '../logger';
import {UploadCompleteData} from '../api';
import {Observable} from '../utils';
import {QiniuError, QiniuNetworkError, QiniuRequestError} from '../errors';
import {UploadOptions, UploadHandlers, UploadProgress, Config} from './base';

export * from './base';
export * from './resume';

export declare function createUploadManager(options: UploadOptions, handlers: UploadHandlers, logger: Logger): Resume | Direct;

/**
 * @param file 上传文件
 * @param key 目标文件名
 * @param token 上传凭证
 * @param config 上传任务的配置
 * @returns 返回用于上传任务的可观察对象
 */
export default function upload(file: File, key: string | undefined, token: string, config?: Config): Observable<UploadProgress, QiniuError | QiniuRequestError | QiniuNetworkError, UploadCompleteData>;