export declare type Arguments<T> = [T] extends [(...args: infer U) => any] ? U : [T] extends [void] ? [] : [T];
export declare type Listener = any;
export interface IEvent<Events = any> {
    on<E extends keyof Events>(event: E, listener: Events[E]): this;
    off<E extends keyof Events>(event: E, listener: Events[E]): this;
    addListener<E extends keyof Events>(event: E, listener: Events[E]): this;
    removeListener<E extends keyof Events>(event: E, listener: Events[E]): this;
    removeAllListeners<E extends keyof Events>(event: E): this;
    emit<E extends keyof Events>(event: E, ...args: Arguments<Events[E]>): this;
    once<E extends keyof Events>(event: E, listener: Events[E]): this;
    listeners: Record<keyof Events, Listener[]>;
}
declare const LISTENERS: unique symbol;
export interface DefaultEvents {
    error(error: Error): void;
}
export declare class Event<Events = any> implements IEvent<Events> {
    private [LISTENERS];
    get listeners(): Record<keyof Events, any[]>;
    on<E extends keyof Events>(event: E, listener: Events[E]): this;
    on(event: 'error', listener: (error: Error) => void): this;
    off<E extends keyof Events>(event: E, listener: Events[E]): this;
    once<E extends keyof Events>(event: E, listener: Events[E]): this;
    emit<E extends keyof Events>(event: E, ...args: Arguments<Events[E]>): this;
    emit<E extends keyof Events>(event: 'error', error: Error): this;
    addListener<E extends keyof Events>(event: E, listener: Events[E]): this;
    removeListener<E extends keyof Events>(event: E, listener: Events[E]): this;
    removeAllListeners<E extends keyof Events>(event: E): this;
}
export declare const EventEmitter: typeof Event;
export {};