import { TemplateResult } from 'lit';
import { BahtElement } from '../base.js';
/**
 * Semantic group wrapper (native <fieldset>/<legend>). Children become the
 * content — typically a set of baht-* fields.
 *
 *   <baht-fieldset legend="Billing" help="Shown on invoices">
 *     <baht-input>…</baht-input>
 *   </baht-fieldset>
 */
export declare class BahtFieldset extends BahtElement {
    legend: string;
    /** Muted help line under the group (e.g. "Fill both languages for accurate reading"). */
    help: string;
    disabled: boolean;
    private bodyEl;
    protected firstUpdated(): void;
    protected render(): TemplateResult;
}