public Task <T> GetOrSetAsync <T>(string key, Func <Task <T> > loader, CacheExpiration expiration, CancellationToken cancelToken)
{
return(GetOrSetAsync(key, loader, v =>
{
var min = _cacheSettings.GetMinutes(expiration);
return DateTime.UtcNow.AddMinutes(min);
}, null, cancelToken));
}
