export declare const PIECES: {
    r: string;
    b: string;
    k: string;
    n: string;
    p: string;
    q: string;
    R: string;
    B: string;
    K: string;
    N: string;
    P: string;
    Q: string;
};
export declare const squareWidth: number;
export declare const pieceMargin = 0;
export declare const borderWidth = 0.07;
export declare const borderColor = "#000";
export declare const borderOpacity = 0.65;