import { CSSResultArray, TemplateResult } from 'lit';
import { LuzmoElement } from '../../utils/base';
declare const LuzmoButtonGroup_base: typeof LuzmoElement & {
    new (...args: any[]): import("../..").SizedElementInterface;
    prototype: import("../..").SizedElementInterface;
};
/**
 * @element luzmo-button-group
 * @slot - the luzmo-button elements that make up the group
 */
export declare class LuzmoButtonGroup extends LuzmoButtonGroup_base {
    static get styles(): CSSResultArray;
    vertical: boolean;
    protected handleSlotchange({ target: slot }: Event & {
        target: HTMLSlotElement;
    }): void;
    protected render(): TemplateResult;
}
export {};