import EventType from './EventType';
import Event from './Event';
import EventEmitter, { EventCallback } from './EventEmitter';
/** @hidden */
export default class BaseEventEmitter implements EventEmitter {
    private eventMap;
    /** @ignore */
    constructor();
    addEventListener(eventType: EventType, callback: EventCallback): void;
    removeEventListener(eventType: EventType, callback: EventCallback): void;
    /** @ignore */
    emit(eventType: EventType, event: Event): void;
}