public async Task <TimeZoneListDomain> Handle(GetTimeZoneListQuery query)
{
query.ThrowIfNull("Invalid query parameter", nameof(query));
var searchContract = query.SearchContract;
searchContract.PageNumber.ThrowIfNotPositiveNonZeroInt("Invalid page number parameter", nameof(searchContract.PageNumber));
searchContract.PageSize.ThrowIfNotPositiveNonZeroInt("Invalid page size parameter", nameof(searchContract.PageSize));
return(await _timeZoneRepository.GetTimeZoneListAsync(query.SearchContract).ConfigureAwait(false));
}