namespace mu { [EBoneUsageFlags](API\Plugins\MutableRuntime\MuR\mu__EBoneUsageFlags) & mu::operator&= ( [EBoneUsageFlags](API\Plugins\MutableRuntime\MuR\mu__EBoneUsageFlags) & Lhs, [EBoneUsageFlags](API\Plugins\MutableRuntime\MuR\mu__EBoneUsageFlags) Rhs ) }