import { BehaviorSubject } from 'rxjs';
import type { CuiTheme } from './theme.options';
import * as i0 from "@angular/core";
export declare class CuiThemeService extends BehaviorSubject<CuiTheme> {
    private readonly localStorage;
    private readonly key;
    constructor();
    next(theme: CuiTheme): void;
    switch(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CuiThemeService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CuiThemeService>;
}