1#define nonnull_strong nonnull, strong 2#define myatomic nonatomic 3@interface UCTestClass () 4 5@property (nonatomic, strong, null_unspecified, readonly) NSString* test1; 6@property (strong, readonly, nonatomic, nullable) NSString* test2; 7@property (strong, readonly, getter=test2Getter, nonatomic, nonnull) NSString* test3; 8@property (strong, readonly, getter=test2Getter, nonatomic, setter=test2Setter:, null_resettable) NSString* test4; 9@property (class, readonly, getter=test5Getter, nonatomic, nonnull, assign) NSString* test5; 10@property (class, assign, getter=test5Getter, myatomic, nonnull_strong) NSString* test6; 11 12@end 13