@class NSData, NSString; @interface IMNicknameEncryptionTag : NSObject @property (retain, nonatomic) NSData *dataRepresentation; @property (readonly, nonatomic) NSString *stringRepresentation; + (id)_tagWithDataRepresentation:(id)a0 length:(unsigned long long)a1 error:(id *)a2; + (id)_tagWithStringRepresentation:(id)a0 length:(unsigned long long)a1 error:(id *)a2; - (id)initWithDataRepresentation:(id)a0; - (unsigned long long)hash; - (id)description; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (BOOL)isEqualToTag:(id)a0 error:(id *)a1; @end