import { ApiRequestOptions } from './client.js';
import { PromoValidationResponse } from './types.js';
/**
 * Validate a promo code for an event
 *
 * Checks if a promo code is valid and returns its effects:
 * - Discount amount and type
 * - Hidden ticket reveal
 *
 * @param eventId - The event ID
 * @param code - The promo code to validate
 * @returns Validation result with discount info
 */
export declare function validatePromoCode(eventId: string | number, code: string, req?: Pick<ApiRequestOptions, 'widgetKey'>): Promise<PromoValidationResponse>;
/**
 * Check if promo codes are available for an event
 *
 * Used to conditionally show/hide the promo code input field.
 *
 * @param eventId - The event ID
 * @returns Whether promo codes exist for this event
 */
export declare function hasPromoCodes(eventId: string | number, req?: Pick<ApiRequestOptions, 'widgetKey'>): Promise<boolean>;
/**
 * Apply a promo code to a cart
 *
 * This updates the cart with the promo code discount.
 *
 * @param cartId - The cart UUID
 * @param code - The promo code to apply
 * @returns Success status
 */
export declare function applyPromoCode(cartId: string, code: string, productQuantities?: Record<string | number, number>, req?: Pick<ApiRequestOptions, 'widgetKey'>): Promise<{
    success: boolean;
    error?: string;
}>;
/**
 * Remove a promo code from a cart
 *
 * @param cartId - The cart UUID
 * @returns Success status
 */
export declare function removePromoCode(cartId: string, req?: Pick<ApiRequestOptions, 'widgetKey'>): Promise<{
    success: boolean;
    error?: string;
}>;