import { Observable } from "rxjs";
import * as i0 from "@angular/core";
/**
 * Service to manage display of mat-spinner at AppComponent level
 */
export declare class LoaderService {
    /**
     * Subject to store current state of loading spinner visibility
     */
    private showLoaderSubject;
    /**
     * Observable for accessing current state of loading spinner visibility
     */
    showLoaderObservable: Observable<Boolean>;
    /**
     * Setter for loading spinner state
     */
    setShowLoader(show: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoaderService>;
}