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// SDLTCPTransport.h // #import "SDLAbstractTransport.h" NS_ASSUME_NONNULL_BEGIN @interface SDLTCPTransport : SDLAbstractTransport { _Nullable CFSocketRef socket; } @property (strong, nonatomic) NSString *hostName; @property (strong, nonatomic) NSString *portNumber; @end NS_ASSUME_NONNULL_END