1 @interface NSObject 2 @end 3 4 typedef unsigned char BOOL; 5 #ifndef NS_AVAILABLE 6 #define NS_AVAILABLE(x,y) __attribute__((availability(macosx,introduced=x))) 7 #endif 8 #ifndef NS_UNAVAILABLE 9 #define NS_UNAVAILABLE __attribute__((unavailable)) 10 #endif 11 #ifndef NS_DEPRECATED_MAC 12 #define NS_DEPRECATED_MAC(x,y) __attribute__((availability(macosx,introduced=x,deprecated=y,message="" ))); 13 #endif 14 15 @interface NSManagedObject 16 @end 17 18 @interface NSSet 19 @end 20