import { Provider, RendererFactory2 } from '@angular/core';
import { ThemeType } from '../types/core/theme/theme-types.type';
import * as i0 from "@angular/core";
export declare class ThemeSwitcherService {
    private document;
    private readonly renderer;
    private currentTheme;
    constructor(document: Document, rendererFactory: RendererFactory2);
    get activeTheme(): ThemeType;
    changeTheme(): void;
    loadThemes(): Promise<void>;
    private buildThemesCss;
    static ɵfac: i0.ɵɵFactoryDeclaration<ThemeSwitcherService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ThemeSwitcherService>;
}
export declare const THEME_PROVIDER: Provider;