import { TPaymentModes } from '../utils/AppUtil';
import { CheckoutConfig } from '../interfaces/CheckoutConfig';
type TCallbackMode = {
    callback_handler: (response: unknown) => void | Promise<void>;
} | {
    callback_url: string;
};
export type TOpenOptions = TCallbackMode & {
    payment_mode_code?: TPaymentModes;
    bank_code?: string;
    wallet_code?: string;
    payment_flow?: 'collect' | 'intent';
    upi_app_code?: string;
    upi_id?: string;
    emi_code?: 'debit' | 'credit' | 'cardless';
    custom?: any;
};
declare class App {
    private config;
    constructor(config: typeof CheckoutConfig);
    open: (options: TOpenOptions) => Promise<void>;
}
export default App;