import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
type AppTheme = "light" | "dark" | 'auto';
export declare class ThemeService {
    readonly themes: {
        label: string;
        id: string;
    }[];
    selectedTheme: any;
    /**
     * This theme will always only be 'dark' or 'light'.
     * For use with canvases and similar libraries.
     */
    theme: BehaviorSubject<"light" | "dark">;
    constructor();
    setTheme(t: AppTheme): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ThemeService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ThemeService>;
}
export {};