private void detach_StarSystemTeches(StarSystemTech entity)
		{
			this.SendPropertyChanging();
			entity.Tech = null;
		}
 partial void DeleteStarSystemTech(StarSystemTech instance);
		private void attach_StarSystemTeches(StarSystemTech entity)
		{
			this.SendPropertyChanging();
			entity.StarSystem = this;
		}
 partial void UpdateStarSystemTech(StarSystemTech instance);
 partial void InsertStarSystemTech(StarSystemTech instance);