import { RedirectFunction, RouterContextProvider } from 'react-router';
import { I18n } from '@lingui/core';
import { R as RouteLocale } from '../shared/lingui-react-router.DWN5Xbd0.cjs';
import 'react';

type ChangeLocaleServerFunction = (locale: string | undefined) => Response;
/**
 * Server-side i18n context.
 */
type I18nRequestContext = Omit<RouteLocale, "changeLocale"> & {
    /** The internationalization processing object, which manages locale-specific content and configurations. */
    i18n: I18n;
    /** The translation function bound to the current i18n instance. */
    _: I18n["_"];
    /** The URL object for the current request, representing its full path and query parameters. */
    url: URL;
    /**
     * Function to redirect to a different locale while preserving the current locale prefix.
     *
     * @param to The target URL or path to redirect to, without the locale prefix
     * @param init Optional redirect initialization options
     * @returns A redirect response to the specified URL with the current locale prefix
     */
    redirect: RedirectFunction;
    /**
     * Change the locale and redirect to the same path.
     *
     * @param locale The new locale code
     * @returns A redirect response to the same path with the new locale prefix
     */
    changeLocale: ChangeLocaleServerFunction;
};
/**
 * Hook to access the server-side i18n context. Use only in loaders and actions.
 *
 * @throws {Error} If used outside a localeMiddleware context
 * @returns {I18nRequestContext} The server-side i18n context object containing:
 * - i18n: The internationalization processing object
 * - url: The URL object for the current request
 * - requestLocale: The locale explicitly requested by the client, if any
 * - requestPathname: The pathname of the current request
 * - pathnamePrefix: The pathname prefix for the current locale (e.g. "/en")
 * - _: The translation function bound to the current i18n instance
 * - redirect: Function to redirect to a different locale while preserving the current locale prefix
 */
declare function useLinguiServer(context: Readonly<RouterContextProvider>): I18nRequestContext;

type MiddlewareFunctionArgs = {
    request: Request;
    context: Readonly<RouterContextProvider>;
    params: unknown;
};
/**
 * Locale middleware implementation. Determines the locale from the URL or the
 * Accept-Language header, initializes i18n, and runs the request with a LocaleServerContext.
 *
 * Use `useLinguiServer` in loaders and actions to access the server-side i18n context.
 *
 * @param request The request object
 * @param context The router context
 * @param params The route parameters
 * @param next The next middleware function
 * @returns The response from the next middleware or route handler
 */
declare function localeMiddleware<T>({ request, context, params }: MiddlewareFunctionArgs, next: () => Promise<T>): Promise<T>;

/**
 * @deprecated Use I18nRequestContext instead. Will be removed in 2.0.0
 */
type I18nRouterContext = I18nRequestContext;

export { localeMiddleware, useLinguiServer };
export type { I18nRequestContext, I18nRouterContext };