import * as cg from 'chessgroundx/types';
import { PromotionSuffix } from './chess';
import { GameController } from './gameCtrl';
declare type PromotionChoices = Partial<Record<cg.Role, PromotionSuffix>>;
export declare class Promotion {
    ctrl: GameController;
    promoting: {
        orig: cg.Key;
        dest: cg.Key;
    } | null;
    choices: PromotionChoices;
    constructor(ctrl: GameController);
    start(movingRole: cg.Role, orig: cg.Key, dest: cg.Key, disableAutoPromote?: boolean): boolean;
    private promotionFilter;
    private canPromote;
    private promotionChoices;
    private isMandatoryPromotion;
    private promote;
    private drawPromo;
    private drawNoPromo;
    private finish;
    private cancel;
    private view;
}
export {};