Language.cs
using System;
using System.Collections.Generic;
#nullable disable
namespace Calibre.Model.Database.Entities
{
    public partial class Language
    {
        public long Id { get; set; }
        public string LangCode { get; set; }
        public virtual List<BooksLanguagesLink> Books { get; set; }
            = new List<BooksLanguagesLink>();
        public override string ToString()
        {
            return LangCode;
        }
    }
}