import type { BasketPackageInformation } from '@scayle/storefront-api';
/**
 * Extracts the earliest and latest delivery dates from an array of basket package information.
 *
 * @param packages An array of basket package information objects.
 *
 * @returns A tuple containing the earliest and latest delivery dates, or null if no dates are found.
 */
export declare const getShippingDates: (packages: BasketPackageInformation[]) => [string | null, string | null];