type Listener<T> = (event: T) => void;
export declare class TypedEmitter<EventMap extends Record<string, unknown>> {
    private listeners;
    on<K extends keyof EventMap>(type: K, fn: Listener<EventMap[K]>): () => void;
    off<K extends keyof EventMap>(type: K, fn: Listener<EventMap[K]>): void;
    emit<K extends keyof EventMap>(type: K, event: EventMap[K]): void;
    removeAllListeners(): void;
}
export {};