/**
 * Event.ts
 *
 * @package  vrkd/src/list
 * @author  Fernando Salazar
 */
import { Event } from "./../event/Default";
import { List } from "./Default";
/**
 * Event list
 */
export declare class EventList extends List<Event[]> {
    /**
     * Class constructor
     */
    constructor($keys?: string[]);
    /**
     * Assign an event aggregator to a `$key`.
     */
    set($key: string, $event: Event[]): void;
    /**
     * Subscribe an `$event` to a `$key`, and
     * it registers the key if it doesn't exists.
     */
    subscribe($key: string, $event: Event): void;
    /**
     * Register key
     */
    register($key: string): Event[];
    /**
     * Callback handle to register keys
     */
    private _registerKeyHandle;
}