public SimpleCacheItem(T item, CacheExpiration expiration)
{
Item = item;
Expiration = expiration;
Expires = DateTime.Now.Add(TimeSpan.FromMilliseconds(expiration.Milliseconds));
}
public void Set(string key, T value, CacheExpiration expiration)
{
_items[key] = new SimpleCacheItem <T>(value, expiration);
}
