type Emitter<TChannelToMessage extends Record<string, any> = Record<string, any>> = ReturnType<typeof createEmitter<TChannelToMessage>>;
declare function createEmitter<T>(): {
    __l: Map<number, (message: T) => any>;
    on(listener: (message: T) => any): () => void;
    emit(message: T): void;
};

export { type Emitter, createEmitter };