import { CashPayment } from './types';
import type { PaymentModule } from './index';
/**
 * 现金支付实现
 */
export declare class CashPaymentImpl implements CashPayment {
    private paymentModule;
    constructor(paymentModule: PaymentModule);
    processCashPayment(amount: number, orderUuid: string): Promise<void>;
    getCashBalance(): Promise<number>;
    /**
     * 获取推荐支付金额
     * 基于目标金额和货币类型，返回最优支付金额建议
     * @param money 目标支付金额
     * @param currency 货币代码 (如: 'CNY', 'USD', 'EUR' 等)
     * @returns 推荐支付金额数组
     */
    getRecommendedAmount(money: number, currency: string): number[];
}