export declare const ROUTE_FRAGMENT_KEY = "__cogniteAppRoute";
export declare const MAX_PATH_LEN = 2048;
export interface RestoreWindow {
    location: Pick<Location, 'hash' | 'origin'>;
    history: Pick<History, 'replaceState'>;
}
export declare const isSafePath: (path: string, origin: string) => boolean;
/**
 * Call once at bootstrap, before the router mounts. Restores the path left by
 * `reloadPreservingRoute` (dropping the fragment) via replaceState, so a history
 * router cold-starts correctly. Returns the path or null. Idempotent, SSR-safe.
 * `isPathSafe` is injectable for tests.
 */
export declare function restoreRouteOnBoot(win?: RestoreWindow | undefined, isPathSafe?: (path: string, origin: string) => boolean): string | null;