void Main()
{
    AutoMapper.Mapper.CreateMap<Contact, KeyValuePair<Guid, string>>()
        .ConstructUsing(x => new KeyValuePair<Guid, string>(x.Id, x.FullName));
 
    //var contacts = ContactRepository.GetAll(); // Returns IList<Contact>
    var contacts = new List<Contact> {
        new Contact { Id = Guid.NewGuid(), FullName = "Joe Bob" },
        new Contact { Id = Guid.NewGuid(), FullName = "Sally Jones" },
    };

public static class MapExtensions
{
    public static IMappingExpression<IPagination<TSource>, IPagination<TDestination>> ConstructPagination<TSource, TDestination>(this IMappingExpression<IPagination<TSource>, IPagination<TDestination>> map)
        where TSource : class
        where TDestination : class
    {
        return map.ConstructUsing(src => 
                new CustomPagination<TDestination>(src.ToList().Select(p => AutoMapper.Mapper.Map<TSource, TDestination>(p)),
                    src.PageNumber,
                    src.PageSize,