import { AppConfig, AppMiddleware, ClientApplication, ClientApplicationCreator, ClientApplicationTransportInjector, Params } from './types';
export declare const WINDOW_UNDEFINED_MESSAGE = "window is not defined. Running an app outside a browser is not supported";
/**
 * Extracts the query parameters from the current URL.
 * @deprecated This function has been deprecated.
 * @public
 */
export declare function getUrlParams(): Params;
/**
 * Extracts the `shop` query parameter from the current URL.
 * @deprecated This function has been deprecated, see {@link https://help.shopify.com/api/embedded-apps/shop-origin}
 * @public
 */
export declare function getShopOrigin(): string;
/**
 * @internal
 */
export declare const createClientApp: ClientApplicationTransportInjector;
/**
 * @public
 */
export declare function createAppWrapper(frame: Window, localOrigin?: string, middleware?: AppMiddleware[]): ClientApplicationCreator;
/**
 * Creates your application instance.
 * @param config - Both `apiKey` and `shopOrigin` are required.
 * @remarks
 * You will need to store `shopOrigin` during the authentication process and then retrieve it for the code to work properly. To learn more about this process, see {@link https://help.shopify.com/api/embedded-apps/shop-origin | Getting and storing the shop origin}.
 * @public
 */
export declare function createApp(config: AppConfig): ClientApplication<any>;
/**
 * {@inheritdocs createApp}
 * @public
 */
export default createApp;