import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * @deprecated use {@link TUI_DARK_MODE} instead
 */
export declare class TuiDarkThemeService extends Observable<boolean> {
    constructor();
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiDarkThemeService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TuiDarkThemeService>;
}