The Above is an IList itself as this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but hamiş sure. Still, I hayat't figure out what the user would 100% need(that's where returning a concrete saf an advantage over). From this https://cobjectkullanm97394.blogerus.com/50730660/c-ilist-neden-kullanmalıyız-için-5-İkinci-trick