/* tslint:disable */
/* eslint-disable */
/**
* @param {string} fen1
* @param {string} fen2
* @param {string} flatMovesString1
* @param {string} flatMovesString2
* @returns {string}
*/
export function winner(fen1: string, fen2: string, flatMovesString1: string, flatMovesString2: string): string;