- KGamePropertyHandler : KGamePropertyHandler, KGamePropertyBase
- ManagerPrivate : KExtHighscore::ManagerPrivate, KExtHighscore::Manager
- MultiplayerScores : KExtHighscore::MultiplayerScores, KExtHighscore::Score
- operator<< : KExtHighscore::MultiplayerScores, KExtHighscore::Score
- operator>> : KExtHighscore::MultiplayerScores, KExtHighscore::Score