/**
 * React higher-order component (HoC) that wraps the given component
 * in LinguiJs's `I18nProvider` component.
 *
 * The required language catalog, supported languages, and default language
 * must be provided by the consumer of this HoC. It will then detect
 * the best language to use based on the incoming request, load
 * the catalog for that language, and supply it to the `I18nProvider`.
 *
 * Additionally, this HoC adds the matched language to the
 * initial props provided by `getInitialProps`.
 *
 * See also:
 *  - https://reactjs.org/docs/higher-order-components.html
 */
import { NextComponentType } from 'next';
import { AppInitialProps } from 'next/app';
import * as React from 'react';
import { Catalog } from '@lingui/core';
export interface AppWithLinguiInitialProps<TWrappedAppInitialProps> extends AppInitialProps {
    language: string;
    catalog: Catalog;
    wrappedAppInitialProps: TWrappedAppInitialProps;
}
/**
 * @param getCatalog A function that should provide language Catalog
 * @param languages The set of supported languages for translation
 * @param defaultLanguage The default language
 */
declare const appWithLingui: (getCatalog: (language: string) => Promise<Catalog>, languages?: string[], defaultLanguage?: string) => <TWrappedAppParams extends object = {}, TWrappedAppInitialProps extends AppInitialProps = AppInitialProps>(WrappedApp: NextComponentType<import("next/dist/next-server/lib/utils").AppContextType<import("next/router").Router> & TWrappedAppParams, TWrappedAppInitialProps, AppInitialProps & {
    Component: NextComponentType<import("next").NextPageContext, any, {}>;
    router: import("next/router").Router;
} & TWrappedAppParams & TWrappedAppInitialProps>) => React.ComponentClass<AppInitialProps & {
    Component: NextComponentType<import("next").NextPageContext, any, {}>;
    router: import("next/router").Router;
} & TWrappedAppParams & AppWithLinguiInitialProps<TWrappedAppInitialProps>, any> & {
    getInitialProps?(context: import("next/dist/next-server/lib/utils").AppContextType<import("next/router").Router> & TWrappedAppParams): AppWithLinguiInitialProps<TWrappedAppInitialProps> | Promise<AppWithLinguiInitialProps<TWrappedAppInitialProps>>;
};
export default appWithLingui;
/**
 * Return the list of languages which the current user's browser prefers,
 * as a list of BCP 47 language tags.
 *
 * `navigator.languages` is preferred if available, otherwise falling back to the older
 * `navigator.language` API, or the IE-specific `navigator.browserLanguage` /
 * `navigator.userLanguage` APIs.
 */
export declare const getBrowserPreferredLanguages: () => string[];