EventsManager

class EventsManager<T extends EventListenersMap = EventListenersMap> {
  getEmitter(): EventEmitter;

  on<A extends keyof T>(eventName: A, listener: T[A]): T[A];

  off<A extends keyof T>(eventName: A, listener: T[A]): void;

  once<A extends keyof T>(eventName: A, listener: T[A]): T[A];

  listenerCount<A extends keyof T>(eventName: A): number;

  emit<A extends keyof T>(eventName: A, ...args: Parameters<T[A]>): boolean;

  removeAllListeners(): void;
}