/*!
 * -------------------------------------------------------------------------- *
 *                                                                            *
 *    Kokopu - A JavaScript/TypeScript chess library.                         *
 *    <https://www.npmjs.com/package/kokopu>                                  *
 *    Copyright (C) 2018-2026  Yoann Le Montagner <yo35 -at- melix.net>       *
 *                                                                            *
 *    Kokopu is free software: you can redistribute it and/or                 *
 *    modify it under the terms of the GNU Lesser General Public License      *
 *    as published by the Free Software Foundation, either version 3 of       *
 *    the License, or (at your option) any later version.                     *
 *                                                                            *
 *    Kokopu is distributed in the hope that it will be useful,               *
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
 *    GNU Lesser General Public License for more details.                     *
 *                                                                            *
 *    You should have received a copy of the GNU Lesser General               *
 *    Public License along with this program. If not, see                     *
 *    <http://www.gnu.org/licenses/>.                                         *
 *                                                                            *
 * -------------------------------------------------------------------------- */
import { Database } from './database';
import { Game } from './game';
import { PGNWriteOptions } from './private_pgn/pgn_write_impl';
/**
 * PGN parsing function.
 *
 * @param pgnString - String to parse.
 */
export declare function pgnRead(pgnString: string): Database;
/**
 * PGN parsing function.
 *
 * @param pgnString - String to parse.
 * @param gameIndex - Only the game corresponding to this index is parsed. Must be between 0 (inclusive) and the number of games in the PGN (exclusive).
 * @throws {@link exception.InvalidPGN} if the corresponding game cannot be parsed, or if the given game index is larger than the number of games in the underlying PGN string.
 */
export declare function pgnRead(pgnString: string, gameIndex: number): Game;
/**
 * PGN writing function.
 */
export declare function pgnWrite(game: Game, options?: PGNWriteOptions): string;
/**
 * PGN writing function.
 *
 * @param games - Games to write.
 */
export declare function pgnWrite(games: Game[], options?: PGNWriteOptions): string;