import { Option } from './types';
/**
 * decode: encode string to morse code.
 * - morse: morse code need to be decode.
 * - option: encode option.
 *
 * Return the decode string.
 *
 * Usage
 * var option = {
 *  space: ' ',
 *  long: '-',
 *  short: '*'
 * };
 * decode('** *-** --- ***- * -*-- --- **- *-*-*-', option);
 * Will get return with `ILOVEYOU`.
 *
 **/
export declare function decode(morse: string, option?: Option): string;