public void OnError(Exception ex, EventEWithBaseWhichHasInterface @event)
 {
 }
 Task IHandleEventsOf <EventEWithBaseWhichHasInterface> .Handle(EventEWithBaseWhichHasInterface @event)
 {
     return(Task.Run(() => Method = "EventEWithBaseWhichHasInterface"));
 }
 public Task Handle(EventEWithBaseWhichHasInterface @event)
 {
     return(Task.Run(() => Method = "EventEWithBaseWhichHasInterface"));
 }