import type { IEvent, IEventHandler, IEventMap, IEventTarget } from '../../abstraction';
export declare class EventTarget<T extends IEventMap = IEventMap> implements IEventTarget<T> {
    private _map;
    constructor();
    on<K extends keyof T>(name: K, handler: IEventHandler<T[K]>): void;
    on(name: string, handler?: IEventHandler<IEvent<unknown>> | undefined): void;
    off<K extends keyof T>(name: K, handler: IEventHandler<T[K]>): void;
    off(name: string, handler?: IEventHandler<IEvent<unknown>> | undefined): void;
    dispatch(event: IEvent): void;
}