partial void DeleteUsersAchievement(UsersAchievement instance);
 partial void UpdateUsersAchievement(UsersAchievement instance);
		private void detach_UsersAchievements(UsersAchievement entity)
		{
			this.SendPropertyChanging();
			entity.Achievement = null;
		}
 partial void InsertUsersAchievement(UsersAchievement instance);
		private void attach_UsersAchievements(UsersAchievement entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}