export interface CollectCheckoutParam {
    email: string;
    firstName: string;
    lastName?: string;
    reference: string;
    amount: number;
    currency?: string;
    logo: string;
    itemImage?: string;
    publicKey: string;
    paymentLinkCode?: string;
    invoiceCode?: string;
    planCode?: string;
    localUrl?: string;
    onClose?: Function;
    onSuccess?: Function;
    onError?: Function;
    beforeClose?: Function;
}
/**
 * Message event data structure for communication with the checkout iframe
 */
export interface CheckoutMessageData {
    key: string;
    type?: 'loading' | 'close' | 'success' | 'error';
    data?: any;
    [key: string]: any;
}