/**
 * T-441: 结算页组件
 * 积分抵扣滑块 + 券选择器 + 折扣汇总
 */
import { BaseComponent } from '../base/BaseComponent';
export interface CouponOption {
    id: number;
    name: string;
    discountValue: number;
    currency: string;
}
export interface CheckoutConfig {
    orderAmount: number;
    currency: string;
    availablePoints: number;
    pointsRate: number;
    maxPointsDeduct: number;
    coupons: CouponOption[];
}
export interface CheckoutResult {
    pointsUsed: number;
    pointsDiscount: number;
    couponId: number | null;
    couponDiscount: number;
    totalDiscount: number;
    finalAmount: number;
}
export declare class CheckoutWidget extends BaseComponent {
    private config;
    private pointsUsed;
    private selectedCouponId;
    private initialized;
    setConfig(config: CheckoutConfig): void;
    private getResult;
    private handlePointsChange;
    private handleCouponSelect;
    private emitChange;
    protected render(): string;
    protected styles(): string;
    protected afterRender(): void;
}
/** 注册自定义元素 */
export declare function registerCheckoutWidget(): void;
//# sourceMappingURL=CheckoutWidget.d.ts.map