import { MaybePromise } from '../../../types/utils.js';
import { ITelegramClient } from '../../client.types.js';
import { MaybeDynamic, User } from '../../types/index.js';
/**
 * Execute the [QR login flow](https://core.telegram.org/api/qr-login).
 *
 * This method will resolve once the authorization is complete,
 * returning the authorized user.
 */
export declare function signInQr(client: ITelegramClient, params: {
    /**
     * Function that will be called whenever the login URL is changed.
     *
     * The app is expected to display `url` as a QR code to the user
     */
    onUrlUpdated: (url: string, expires: Date) => void;
    /**
     * Function that will be called when the user has scanned the QR code
     * (i.e. when `updateLoginToken` is received), and the library is finalizing the auth
     */
    onQrScanned?: () => void;
    /** Password for 2FA */
    password?: MaybeDynamic<string>;
    /**
     * Function that will be called after the server has rejected the password.
     *
     * Note that in case {@link password} is not a function,
     * this callback will never be called, and an error will be thrown instead.
     */
    invalidPasswordCallback?: () => MaybePromise<void>;
    /** Abort signal */
    abortSignal?: AbortSignal;
}): Promise<User>;