private void detach_Estornos(Estorno entity)
		{
			this.SendPropertyChanging();
			entity.Caixa = null;
		}
 partial void DeleteEstorno(Estorno instance);
		private void attach_Estornos(Estorno entity)
		{
			this.SendPropertyChanging();
			entity.Caixa = this;
		}
 partial void UpdateEstorno(Estorno instance);
 partial void InsertEstorno(Estorno instance);
		private void detach_Estornos(Estorno entity)
		{
			this.SendPropertyChanging();
			entity.Funcionario = null;
		}