import { BehaviorSubject } from 'rxjs';
import { ThemeModes } from '../../../common/config/public/ClientConfig';
import { GalleryCacheService } from '../ui/gallery/cache.gallery.service';
export declare class ThemeService {
    private cachingService;
    mode: ThemeModes;
    readonly darkMode: BehaviorSubject<boolean>;
    readonly matcher: MediaQueryList;
    constructor(cachingService: GalleryCacheService);
    init(): void;
    listenToModePreference(): void;
    stopListening(): void;
    applyMode(darkMode: boolean): void;
    setMode(mode: ThemeModes): void;
    toggleMode(): void;
}