[EGroomCacheImportType](API\Plugins\HairStrandsCore\EGroomCacheImportType) & operator&= ( [EGroomCacheImportType](API\Plugins\HairStrandsCore\EGroomCacheImportType) & Lhs, [EGroomCacheImportType](API\Plugins\HairStrandsCore\EGroomCacheImportType) Rhs )