import { LitElement } from 'lit';
export declare class LangSwitcherBase extends LitElement {
    static styles: import("lit").CSSResult;
    msg: string;
    lang: string;
    currency: string;
    connectedCallback(): void;
    private handleToggle;
    get _flag(): "🇺🇸" | "🇯🇵";
    render(): import("lit-html").TemplateResult<1>;
}