import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class LoadingService {
    loadingSub: BehaviorSubject<boolean>;
    loadingMap: Map<string, boolean>;
    isLoading$: import("rxjs").Observable<boolean>;
    constructor();
    /**
     * Sets the loadingSub property value based on the following:
     * - If loading is true, add the provided url to the loadingMap with a true value, set loadingSub value to true
     * - If loading is false, remove the loadingMap entry and only when the map is empty will we set loadingSub to false
     * This pattern ensures if there are multiple requests awaiting completion, we don't set loading to false before
     * other requests have completed. At the moment, this function is only called from the @link{HttpRequestInterceptor}
     * @param loading {boolean}
     * @param url {string}
     */
    setLoading(loading: boolean, url: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoadingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoadingService>;
}