import { BehaviorSubject, Observable } from 'rxjs';
export declare class RouteSubject {
    subject: BehaviorSubject<any>;
    private _targetObservable;
    constructor();
    /**
     * Subscribe to observer data changes
     *
     * @param func
     * @returns
     */
    subscribe(func: any): import("rxjs").Subscription;
    /**
     * Observe changes from passed observable (Service)
     *
     * @param observable
     * @returns
     */
    observe(observable: Observable<unknown>): Observable<RouteSubject>;
    /**
     * Provide value to subscriber
     *
     * @param val
     * @returns
     */
    next(val: any): Observable<RouteSubject>;
    /**
     * Destroy observer
     */
    destroy(): void;
    reload(): void;
    private _load;
}