/**
 * Browser client navigation �?same-app `<Link>` SPA takeover.
 * Zero-JS still works via real `<a href>`; with JS, intercept same-origin
 * `a[data-vmz-route]` clicks, pushState, fetch SSR HTML, swap page (retain layout
 * when `data-vmz-layout` is unchanged) or full `#app`, then hydrate.
 */
/**
 *   fetchImpl?: typeof fetch,
 *   document?: Document,
 *   history?: History,
 *   location?: Location,
 *   hydrate?: (Ctor: any, root: Element, props: object) => Promise<unknown>,
 *   hydrateRoute?: (Page: any, root: Element, props: object, layouts?: any[]) => Promise<unknown>,
 *   hydrateRoutePage?: (Page: any, root: Element, props: object) => Promise<unknown>,
 *   destroy?: (inst: object) => void,
 *   importPage?: (chunkId: string) => Promise<any>,
 * }} [opts]
 */
export declare function installClientNavigation(opts?: Record<string, any>): {
    ok: boolean;
    reason: string;
    transitionTo?: undefined;
    transitionLocale?: undefined;
    dispose?: undefined;
} | {
    ok: boolean;
    transitionTo: (url: any, { replace, fromPop, softFail }?: any) => Promise<{
        ok: boolean;
        reason: string;
        href?: undefined;
        chunkId?: undefined;
        retainedLayout?: undefined;
        scrollMode?: undefined;
        focusTarget?: undefined;
        localeId?: undefined;
    } | {
        ok: boolean;
        href: string;
        chunkId: any;
        retainedLayout: boolean;
        scrollMode: string;
        focusTarget: any;
        localeId: any;
        reason?: undefined;
    }>;
    transitionLocale: (toLocale: any, opts?: any) => Promise<{
        status: string;
        fromLocale: any;
        toLocale: any;
        reason: string;
    }>;
    dispose(): void;
    reason?: undefined;
};
export declare function extractAppHtml(html: any, doc: any): any;