export type EventHandler = ((arg1: any, arg2: any, arg3: any, arg4: any) => void) | ((arg1: any, arg2: any, arg3: any) => void) | ((arg1: any, arg2: any) => void) | ((arg1: any) => void) | ((...args: any[]) => void); export interface TypedEventEmitter> { on(event: TEvent, callback: TEvents[TEvent]): this; once(event: TEvent, callback: TEvents[TEvent]): this; prependListener(event: TEvent, callback: TEvents[TEvent]): this; prependOnceListener(event: TEvent, callback: TEvents[TEvent]): this; removeListener(event: TEvent, callback: TEvents[TEvent]): this; off(event: TEvent, callback: TEvents[TEvent]): this; removeAllListeners(event?: keyof TEvents): this; emit(event: TEvent, ...args: Parameters): boolean; setMaxListeners(n: number): this; getMaxListeners(): number; listeners(eventName: TEvent): TEvents[TEvent][]; rawListeners(eventName: TEvent): TEvents[TEvent][]; listenerCount(event: TEvent, listener?: TEvents[TEvent]): number; eventNames(): Array; } export declare class TypedEventEmitter> { }