/**
 * Amount structure with currency
 */
export interface CouponAmount {
    amount: string;
    currency: string;
}
/**
 * Coupon data structure interface (matches API response)
 */
export interface Coupon {
    /** Unique coupon code */
    code: string;
    /** Discount amount (number, string, or CouponAmount object for fixed coupons) */
    amount: number | string | CouponAmount;
    /** Type of discount - percentage or fixed */
    type: 'percentage' | 'fixed';
    /** Minimum cart amount required to use this coupon */
    minimum_amount?: CouponAmount;
    /** Maximum discount amount (for percentage coupons) */
    maximum_amount?: CouponAmount;
    /** Remaining days until expiry */
    remaining_days?: number;
    /** Whether this coupon includes free shipping */
    free_shipping?: number | boolean;
}