public void OnCustomRemoveCallback(object key, object value, ItemRemoveReason reason, BitSet Flag,
EventContext eventContext)
{
EventCacheItem item = EventUtil.ConvertToItem(eventContext.Item);
CacheItemRemovedReason removeReason = EventUtil.ConvertToCIRemoveReason(reason);
_listener.OnCustomRemoveCallback((string)key, value, removeReason, Flag, true, item);
}