import { Observable } from 'rxjs';
import { LoaderType } from '../declarations/types/loader-type.type';
import * as i0 from "@angular/core";
export declare class LoaderService {
    private readonly loaderVisibilityState$;
    private readonly loaderTypeState$;
    private readonly loaderOverlayTopOffsetPxState$;
    readonly isLoaderVisible$: Observable<boolean>;
    readonly loaderType$: Observable<LoaderType>;
    readonly loaderOverlayTopOffsetPx$: Observable<number>;
    setLoaderState(value: boolean, type?: LoaderType, overlayTopOffsetPx?: number): void;
    showLoader(type?: LoaderType, overlayTopOffsetPx?: number): void;
    hideLoader(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoaderService>;
}