classfantomato::CachedContentsys::Obj fantomato::CachedContent@SerializableCachedContent Data for a cached content (potentioally processed) from filecontent Obj content()Returns the contentlastUse DateTime lastUse := DateTime.nowlast this was readmakenew make(|This? f)makeObjnew makeObj(Obj content, DateTime ts)serializedconst Str serializedts DateTime tsfile last modif