export default class EventEmitter {
    events: object;
    constructor();
    once(type: string, fn: Function): EventEmitter;
    on(type: string, fn: Function): EventEmitter;
    addEventListener(type: string, fn: Function, once: boolean): EventEmitter;
    emit(type: string, ...data: any): boolean;
    off(type: string, fn: Function): EventEmitter;
    removeEventListener(type: string, fn: Function): EventEmitter;
    removeAllEventListener(type: string): EventEmitter;
}
export declare const eventEmit: EventEmitter;