autocoding

@interface NSObject (AutoCoding) <NSSecureCoding>

//coding

+ (NSDictionary *)codableProperties;

- (void)setWithCoder:(NSCoder *)aDecoder;

//property access

- (NSDictionary *)codableProperties;

- (NSDictionary *)dictionaryRepresentation;

//loading / saving

+ (instancetype)objectWithContentsOfFile:(NSString *)path;

- (BOOL)writeToFile:(NSString *)filePath atomically:(BOOL)useAuxiliaryFile;

@end