impl validation validationmanager fvss fgrammarfound fcacheddtd addvalidationstate validationstate vs fvss.add vs setentitystate entitystate fvss.size i-- validationstate fvss.get setentitystate setgrammarfound grammar fgrammarfound grammar isgrammarfound fgrammarfound setcacheddtd cacheddtd fcacheddtd cacheddtd iscacheddtd fcacheddtd reset fvss.clear fgrammarfound fcacheddtd