import { EventEmitter, Callback } from './types';
/**
 * Wait for events and errors to stop being emitted for a period of time
 *
 *  The `callback` is called when:
 *    - no events or errors have been emitted for the specified period of time
 *
 *  The `callback` is called with an array of errors, if any occurred
 *
 * @param   event
 * @param   emitters
 * @param   period
 * @param   callback
 */
export declare function waitForLull<Event extends string>(event: Event, emitters: EventEmitter<Event>[], callback?: Callback): Promise<void>;
export declare function waitForLull<Event extends string>(event: Event, emitters: EventEmitter<Event>[], period?: number, callback?: Callback): Promise<void>;