import { IColor } from '../types';
export declare function isPawn(piece: string): boolean;
export declare function isCapture(piece: string, destination: string): boolean;
export declare function updateFenBoard(fenBoard: string): string;
export declare function incrementFullMoveClock(fullMoveClock: number): number;
export declare function incrementHalfMoveClock(halfMoveClock: number): number;
export declare function toggleHasToPlay(hasToPlay: IColor): IColor;
export declare function updateAvailableCastlings(availableCastlings: string, castlingLetter: string): string;