partial void DeleteSpawn(Spawn instance);
 partial void UpdateSpawn(Spawn instance);
		private void detach_Spawns(Spawn entity)
		{
			this.SendPropertyChanging();
			entity.SpawnGroup = null;
		}
 partial void InsertSpawn(Spawn instance);
		private void attach_Spawns(Spawn entity)
		{
			this.SendPropertyChanging();
			entity.SpawnGroup = this;
		}