export declare function createEventEmitter<EventMap extends Record<string, unknown>>(): {
    on<K extends keyof EventMap>(eventKey: K, callback: Callback<EventMap[K]>): () => void;
    once<K extends keyof EventMap>(eventKey: K, callback: Callback<EventMap[K]>): () => void;
    off<K extends keyof EventMap>(eventKey: K, callback: Callback<EventMap[K]>): void;
    clean<K extends keyof EventMap>(eventKey: K): void;
    emit<K extends keyof EventMap>(...args: EventEmitterArgs<EventMap, K>): void;
};
type Callback<Arg> = (arg: Arg) => unknown;
type EventEmitterArgs<EventMap extends Record<string, unknown>, K extends keyof EventMap> = undefined extends EventMap[K] ? [type: K, parameter?: EventMap[K]] : [type: K, parameter: EventMap[K]];
export {};