// using System;
// using HaDocument.Models;
// using System.Collections.Generic;

// namespace HaDocument.Comparers {
//     public class PersonComparer : IComparer<Person> {
//         public int Compare(Person first, Person second) {
//             var cmp = String.Compare(first.Surname, second.Surname);
//             if (cmp == 0) cmp = String.Compare(first.Name, second.Name);
//             return cmp;
//         }
//     }
// }