import { TemplateResult } from 'lit';
import { BahtElement } from '../base.js';
export interface TimelineItem {
    title: string;
    description?: string;
    time?: string;
    tone?: 'primary' | 'success' | 'warning' | 'danger' | 'muted';
}
/**
 * Vertical timeline (run history, audit log).
 *
 *   el.items = [
 *     { title: 'Run started', time: '09:12', tone: 'muted' },
 *     { title: 'Webhook sent', time: '09:12' },
 *     { title: 'Failed', description: "Couldn't reach the webhook.", time: '09:13', tone: 'danger' },
 *   ];
 */
export declare class BahtTimeline extends BahtElement {
    items: TimelineItem[];
    protected render(): TemplateResult;
}