private async Task RemoveExpiredContent(IContentStorage contentStorage, CancellationToken cancellationToken)
{
await foreach (var page in contentStorage.GetAll(options.ContentCategory, cancellationToken))
{
foreach (var item in page.Where(x => x.Timestamp.Add(options.ContentSavePeriod) < DateTimeOffset.UtcNow))
{
await contentStorage.Delete(item.Id, options.ContentCategory, cancellationToken);
}
}
}