import { StripeExtension } from "./index.js";
/**
 * Set default customer card
 *
 * @param cardId - card id (see: https://stripe.com/docs/api/customers/object#card_object-id)
 * @param customerId - customer id (see: https://stripe.com/docs/api/customers/object#customer_object-id)
 * @param ephemeralKey - customer ephemeral key
 * @returns
 */
export declare const setDefaultCard: (this: StripeExtension, cardId: string, customerId: string, ephemeralKey: string) => Promise<any>;