/**
 * Shallow routing: update the URL bar and `page.state` without re-running
 * `<Route>` matching. Useful for modals / drawers / overlays that want a
 * shareable URL without swapping the active route's content.
 *
 * Mirrors SvelteKit's `pushState` from `$app/navigation`.
 */
export declare const pushState: (target: string, state: unknown) => void;
/**
 * Same as `pushState` but uses `history.replaceState`. Mirrors SvelteKit's
 * `replaceState` from `$app/navigation`.
 */
export declare const replaceState: (target: string, state: unknown) => void;