import type { PaymentWidgetConstructor, PaymentWidgetInstance } from '@tosspayments/payment-widget__types';
type PaymentWidgetParams = Parameters<PaymentWidgetConstructor>;
export declare const loadedRequests: Map<string, {
    src: string;
    namespace: string;
}>;
export declare function loadPaymentWidget(clientKey: PaymentWidgetParams[0], customerKey: PaymentWidgetParams[1], options?: PaymentWidgetParams[2], loadOptions?: {
    src?: string;
}): Promise<PaymentWidgetInstance>;
export {};