typedef NS_ENUM(NSUInteger, VPNUProtocol) { VPNUProtocolUnknown , VPNUProtocolIPSec , VPNUProtocolPPTP , VPNUProtocolOpenVPN , VPNUProtocolKeepSolidWise DEPRECATED_MSG_ATTRIBUTE( "use VPNUProtocolKeepSolidWiseTCP and VPNUProtocolKeepSolidWiseUDP instead."), VPNUProtocolKeepSolidWiseTCP , VPNUProtocolKeepSolidWiseUDP , } NS_ENUM_AVAILABLE( 10_7, 8_0);