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,