Affecto.IdentityManagement.Store.EntityFramework.DbContext.SpecifyRole C# (CSharp) Метод

        private void SpecifyRole(DbModelBuilder modelBuilder)
        {
            modelBuilder.Entity<Role>().HasKey(r => r.Id);
            modelBuilder.Entity<Role>().Property(o => o.Name).HasMaxLength(4000).IsRequired();
            modelBuilder.Entity<Role>().Property(o => o.Description).HasMaxLength(4000);
            modelBuilder.Entity<Role>().Property(o => o.ExternalGroupName).HasMaxLength(4000);
            modelBuilder.Entity<Role>().HasMany(r => r.Permissions);
        }