import { Router } from '@angular/router';
import { UserSettingsService } from '@csmart/ngc-smart-core';
import { BehaviorSubject, Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class SmartCoreUiService {
    private router;
    private userSettingsService;
    appDrawer: any;
    currentUrl: BehaviorSubject<string>;
    private isDarkThemeSubject;
    isDarkTheme: Observable<boolean>;
    private updatingTheme;
    constructor(router: Router, userSettingsService: UserSettingsService);
    setDarkTheme(isDark: boolean, saveToSettings?: boolean, staffId?: number): void;
    private saveThemePreference;
    closeNav(): void;
    openNav(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SmartCoreUiService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SmartCoreUiService>;
}