/**
 * Download a Blob, a string or an ArrayBuffer as a file in the browser
 *
 * @param {string|ArrayBuffer} data The content of the file to download.
 * @param {string} [filename] The name of the file to download.
 */
declare function download(data: BlobPart | undefined, filename: string): void;
declare namespace download {
    var isSupported: () => boolean;
}
export default download;