declare class EventEmitter {
    constructor();
    listeners(event?: string): Function[];
    listeners(event: string, param: boolean): boolean;
    emit(event: string, ...args: any[]): boolean;
    on(event: string, fn: Function, context?: any): EventEmitter;
    once(event: string, fn: Function, context?: any): EventEmitter;
    removeListener(event: string, fn?: Function, context?: any, once?: boolean): EventEmitter;
    removeAllListeners(event?: string): EventEmitter;
    off(event: string, fn?: Function, context?: any, once?: boolean): EventEmitter;
    addListener(event: string, fn: Function, context?: any): EventEmitter;
    setMaxListeners(): EventEmitter;
}
export = EventEmitter;