import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from "@angular/common/http";
import { Observable } from "rxjs";
import { LoadingScreenService } from "../services/loading-screen.service";
import * as i0 from "@angular/core";
export declare class LoadingScreenInterceptor implements HttpInterceptor {
    private loadingScreenService;
    /**
     * activeRequests: number
     */
    activeRequests: number;
    /**
     * URLs for which the loading screen should not be enabled
     */
    skippUrls: string[];
    /**
     * Constructor
     * @param loadingScreenService
     */
    constructor(loadingScreenService: LoadingScreenService);
    /**
    * Identifies and handles a given HTTP request.
    * @param req The outgoing request object to handle.
    * @param next The next interceptor in the chain, or the backend
    * if no interceptors remain in the chain.
    * @returns An observable of the event stream.
    */
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoadingScreenInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoadingScreenInterceptor>;
}