import { SearchEngine } from '../../app/search-engine/search-engine.js';
import { NotifyTrigger, NotifyTriggerState } from '../core/triggers/headless-core-notify-trigger.js';
export type { NotifyTrigger, NotifyTriggerState };
/**
 * Creates a `NotifyTrigger` controller instance.
 *
 * @param engine - The headless engine.
 * @returns A `NotifyTrigger` controller instance.
 *
 * @group Controllers
 * @category NotifyTrigger
 * */
export declare function buildNotifyTrigger(engine: SearchEngine): NotifyTrigger;
