public RegionCreatedEvent(Optional<Object> sender, int delay, RegionCreatedData data)
     : base(sender, "region_created", delay)
 {
     this.data = data;
 }
 public RegionCreatedEvent(Optional <Object> sender, int delay, RegionCreatedData data)
     : base(sender, "region_created", delay)
 {
     this.data = data;
 }