Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteTeam(Team instance);
 partial void UpdateTeam(Team instance);
		private void detach_Teams(Team entity)
		{
			this.SendPropertyChanging();
			entity.Role = null;
		}
 partial void InsertTeam(Team instance);
		private void attach_Teams(Team entity)
		{
			this.SendPropertyChanging();
			entity.Role = this;
		}