/**
 * additional stripe methods
 */
export declare class StripeExtension {
    constructor(apiKey: string);
    _apiKey: string;
    confirmPaymentIntentByCard: (this: StripeExtension, paymentIntentSecret: string, paymentMethodId: string, returnUrl?: string) => Promise<import("@stripe/stripe-js").PaymentIntentResult["paymentIntent"] | undefined>;
    confirmPaymentIntentByPaymentMethod: (this: StripeExtension, paymentIntentSecret: string, paymentMethodId: string, returnUrl?: string) => Promise<import("@stripe/stripe-js").PaymentIntentResult["paymentIntent"] | undefined>;
    addSourceToCustomer: (this: StripeExtension, token: string, customerId: string, ephemeralKey: string) => Promise<import("@stripe/stripe-js").Card | undefined>;
    deleteSourceFromCustomer: (this: StripeExtension, sourceId: string, customerId: string, ephemeralKey: string) => Promise<import("@stripe/stripe-js").Card | undefined>;
    getAllCards: (this: StripeExtension, customerId: string, ephemeralKey: string) => Promise<any>;
    getCustomer: (this: StripeExtension, customerId: string, ephemeralKey: string) => Promise<any>;
    setDefaultCard: (this: StripeExtension, cardId: string, customerId: string, ephemeralKey: string) => Promise<any>;
    getDefaultCard: (this: StripeExtension, customerId: string, ephemeralKey: string) => Promise<string | undefined>;
    addPaymentMethodToCustomer: (this: StripeExtension, paymentMethodId: string, customerId: string, ephemeralKey: string) => Promise<import("@stripe/stripe-js").PaymentMethod | undefined>;
    deletePaymentMethodFromCustomer: (this: StripeExtension, paymentMethodId: string, ephemeralKey: string) => Promise<import("@stripe/stripe-js").PaymentMethod | undefined>;
    getAllPaymentMethods: (this: StripeExtension, customerId: string, ephemeralKey: string) => Promise<any>;
    setDefaultPaymentMethod: (this: StripeExtension, paymentMethodId: string, customerId: string, ephemeralKey: string) => Promise<any>;
}