NXAddressInfo
@interface NXAddressInfo : NSObjectNXAddressInfo is a singleton class that lets you get IP address infomation about current connection(s). NXAddress shouldn’t instantiated directly.
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                    Get the shared address info object DeclarationObjective-C + (nullable instancetype)sharedAddressInfo;Return ValueThe shared instance 
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                    IPv4 WLAN Address DeclarationObjective-C @property (readonly, nonatomic, nullable) NSString *WLANIPv4Address;
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                    IPv6 WLAN Address DeclarationObjective-C @property (readonly, nonatomic, nullable) NSString *WLANIPv6Address;
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                    IPv4 WWAN Address DeclarationObjective-C @property (readonly, nonatomic, nullable) NSString *WWANIPv4Address;
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                    IPv6 WWAN Address DeclarationObjective-C @property (readonly, nonatomic, nullable) NSString *WWANIPv6Address;
 
            