[EConcertSyncActivityFlags](API\Plugins\ConcertSyncCore\EConcertSyncActivityFlags) & operator^= ( [EConcertSyncActivityFlags](API\Plugins\ConcertSyncCore\EConcertSyncActivityFlags) & Lhs, [EConcertSyncActivityFlags](API\Plugins\ConcertSyncCore\EConcertSyncActivityFlags) Rhs )