import { Observable } from 'rxjs';
import { PendingRequestsInterceptorConfigurer } from "./pending-requests-interceptor-configurer.service";
import * as i0 from "@angular/core";
export declare class SpinnerVisibilityService {
    private pendingRequestsInterceptorConfigurer;
    private _visibility$;
    constructor(pendingRequestsInterceptorConfigurer: PendingRequestsInterceptorConfigurer);
    get visibility$(): Observable<boolean>;
    show(): void;
    hide(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SpinnerVisibilityService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SpinnerVisibilityService>;
}