import { BaseDownloader } from './base.downloader';
import { IDatatransferItem } from '../../models/datatransfer-item.model';
import { LoggerService } from '../../services/logger.service';
import { GuidUtil } from '../../utils/guid.util';
import { CryptoService } from '../../services/crypto.service';
import { CommonUtil } from '../../utils/common.util';
export declare class BlobDownloader extends BaseDownloader {
    protected logger: LoggerService;
    protected guidUtil: GuidUtil;
    protected cryptoService: CryptoService;
    private commonUtil;
    private throttleProgressCallbacks;
    private files;
    private queue;
    private downloading;
    constructor(logger: LoggerService, guidUtil: GuidUtil, cryptoService: CryptoService, commonUtil: CommonUtil);
    startAll(): void;
    pauseAll(): void;
    removeAll(): void;
    removeItem(item: IDatatransferItem): void;
    private removeItemFromArray;
    retryItem(item: IDatatransferItem): void;
    download(filename: string, url: string, sizeInBytes: number): void;
    private initDownload;
    private downloadNext;
    private abortDownload;
    private getSize;
    private getProgress;
}