@class NSString, NSData, IMNicknameEncryptionFieldTag; @interface IMNicknameEncryptionCipherRecordField : NSObject @property (retain, nonatomic) NSString *fieldName; @property (retain, nonatomic) NSData *cipherData; @property (retain, nonatomic) NSData *IV; @property (retain, nonatomic) IMNicknameEncryptionFieldTag *fieldTag; + (id)cipherRecordFieldWithFieldName:(id)a0 dataRepresentation:(id)a1 error:(id *)a2; - (id)dataRepresentationWithError:(id *)a0; - (id)description; - (void).cxx_destruct; - (id)initWithFieldName:(id)a0 cipherData:(id)a1 IV:(id)a2 tag:(id)a3; @end