constexpr [EConcertActivityFilterFlags](API\Plugins\ConcertSharedSlate\Session\Activity\EConcertActivityFilterFlags) operator& ( [EConcertActivityFilterFlags](API\Plugins\ConcertSharedSlate\Session\Activity\EConcertActivityFilterFlags) Lhs, [EConcertActivityFilterFlags](API\Plugins\ConcertSharedSlate\Session\Activity\EConcertActivityFilterFlags) Rhs )