/**
 * Browser safe version of the node.js EventEmitter
 */
export default class EventEmitter {
    __ee__: Map<any, any>;
    on(type: any, listener: any): EventEmitter;
    once(type: any, listener: any): EventEmitter;
    off(type: any, listener: any, ...args: any[]): EventEmitter;
    emit(type: any, ...args: any[]): EventEmitter;
}