!missing-field! kCFStreamNetworkServiceTypeAVStreaming not bound
!missing-field! kCFStreamNetworkServiceTypeResponsiveAV not bound
!missing-field! kCFStreamPropertyAllowConstrainedNetworkAccess not bound
!missing-field! kCFStreamPropertyAllowExpensiveNetworkAccess not bound
!missing-field! kCFStreamPropertyConnectionIsExpensive not bound