import EventEmitter2 from "eventemitter2";
export type Env = "production" | "sandbox" | "development" | "local";
export type TVariant = "HEADLESS" | "EXPRESS" | "STANDARD";
export type TPaymentMethod = "CARD" | "IDEAL" | "TWINT" | "VIPPS" | "APPLE_PAY" | "GOOGLE_PAY" | "SEPA" | "SEPADD" | "OPENBANKING";
interface ITheme {
    accentColor: string;
    accentColorContrast: string;
    borderRadius: string;
    brandColor: string;
    brandColorContrast: string;
    fontFamily: string;
    logoUrl: string;
}
export default class Checkout extends EventEmitter2 {
    protected checkoutId: string;
    protected container: HTMLElement | null;
    protected containerId: string | null;
    protected env: Env;
    protected url: string | null;
    protected iframe: HTMLIFrameElement | null;
    protected small: boolean;
    protected height: string | undefined;
    protected formOnly: boolean;
    protected walletsOnly: boolean;
    protected language: string;
    protected darkMode: boolean;
    protected windowProxy: WindowProxy | null;
    protected variant: TVariant;
    protected paymentMethods: TPaymentMethod[];
    paymentMethod: string | undefined;
    protected style: {
        minWidth: string;
        minHeight: string;
    };
    constructor({ checkoutId, container, containerId, env, url, small, height, 
    /**
     * @deprecated Use variant = 'HEADLESS' instead
     */
    formOnly, 
    /**
     * @deprecated Use variant = 'EXPRESS' instead
     */
    walletsOnly, variant, language, darkMode, paymentMethods, }: {
        checkoutId: string;
        container?: HTMLElement;
        containerId?: string;
        env?: Env;
        url?: string | null;
        small?: boolean;
        height?: string;
        /**
         * @deprecated Use variant = 'HEADLESS' instead
         */
        formOnly?: boolean;
        /**
         * @deprecated Use variant = 'EXPRESS' instead
         */
        walletsOnly?: boolean;
        language?: string;
        variant?: TVariant;
        darkMode?: boolean;
        paymentMethods?: TPaymentMethod[];
    });
    private validatePaymentMethods;
    private getQueryParameters;
    private getBaseUrl;
    private getCheckoutUrl;
    private createIframe;
    private handleMessage;
    private attachEventListeners;
    private resizeIframeHeight;
    private resetIframeHeight;
    private resize;
    private hideWalletsContainer;
    dispose(): void;
    render(): void;
    isReadyToSubmit(): boolean;
    /**
     * @param preSubmitCallback Function to be called before submitting the payment,
     *                          if pre submit fails, the payment will not be submitted
     * @returns preSubmitCallback value, if any
     */
    submit(preSubmitCallback?: () => Promise<any>): Promise<any>;
    setTheme(theme: ITheme): void;
}
export {};
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