import { LitElement } from 'lit';
export declare class CustomTheme extends LitElement {
    #private;
    loadFont: boolean;
    narrowTrigger: string;
    narrow: boolean;
    constructor();
    set language(value: string);
    get language(): string;
    /**
     * loads given path and converst (when needed) to css variables
     * @param {string} path
     */
    load(path: string): Promise<void>;
}