import * as i0 from "@angular/core";
export declare class DownloadService {
    private readonly documentRef;
    constructor(documentRef: Document);
    downloadUrl(url: string, filename?: string, target?: string): Promise<void>;
    downloadBlob(blob: Blob, filename: string): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<DownloadService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DownloadService>;
}