/**
 * Tar/Gzips a directory or array of files.
 * @function targz
 * @memberof fsn/nextra
 * @param fileName The filename of the archive
 * @param inputFiles The directory or array of filepaths to .tar.gz
 * @param options The options for this .tar.gz
 */
export declare function targz(fileName: string, inputFiles: string | string[], atomic?: boolean): Promise<void>;