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