/**
 * A singleton utility to observe and notify about route changes.
 * It uses both polling and popstate events to detect changes.
 * @public
 */
export declare class RouteUtil {
    /**
     * The current pathname of the window location.
     */
    pathName: string;
    private routeCheckInterval;
    private static instance;
    private constructor();
    /**
     * Gets the singleton instance of RouteUtil.
     */
    static get shared(): RouteUtil;
    /**
     * Initialize framework-agnostic route detection
     */
    private initializeRouteDetection;
    /**
     * Handle route changes by updating the pathName observable
     */
    private handleRouteChange;
    /**
     * Clean up route detection listeners and polling.
     */
    destroy(): void;
}
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