/// <summary>
 /// Publish event.
 /// </summary>
 /// <param name="eventMessage">Event message.</param>
 public void Publish <T> (T eventMessage)
 {
     _eb.Publish(eventMessage);
 }
 /// <summary>
 /// Publish event.
 /// </summary>
 /// <param name="eventMessage">Event message.</param>
 public void Publish <T> (T eventMessage)
 {
     EventBus.Publish(eventMessage);
 }