import * as i0 from "@angular/core";
export declare class DownloadService {
    private readonly saveData;
    constructor();
    /**
     * Invokes content download for a Blob with a file name.
     *
     * @param blob Content to download.
     * @param fileName Name of the resulting file.
     */
    downloadBlob(blob: Blob, fileName: string): void;
    /**
     * Invokes content download for a data array with a file name.
     *
     * @param data Data to download.
     * @param fileName Name of the resulting file.
     */
    downloadData(data: any, fileName: string): void;
    /**
     * Invokes content download for a JSON object with a file name.
     *
     * @param json JSON object to download.
     * @param fileName Name of the resulting file.
     */
    downloadJSON(json: any, fileName: string): void;
    /**
     * Invokes the download of the file by its URL address.
     *
     * @param url Url address pointing to the file.
     * @param fileName Name of the file download.
     */
    downloadUrl(url: string, fileName: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DownloadService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DownloadService>;
}