import CouponDuration from "../constants/coupon-duration.js";
import Product from "./product.js";
import PromoCode from "./promo-code.js";
declare class Coupon {
    couponId: string;
    userId: string | null;
    name: string | null;
    amountOff: number | null;
    percentOff: number | null;
    duration: CouponDuration;
    durationInMonths: number | null;
    maxRedemptions: number | null;
    createdAt: Date;
    updatedAt: Date;
    products: Product[];
    promoCodes: PromoCode[];
    /**
     * Check if amountOff exists
     */
    /**
     * Check if amountOff exists
     */
    private static isAmountOffExists;
    /**
     * Check if duration is repeating
     */
    /**
     * Check if duration is repeating
     */
    private static isDurationRepeating;
}
export { Coupon as default };