@class NSString, NSMutableArray, CAState; @interface CAStateControllerUndo : NSObject <CAStateRecorder> @property (readonly) CAStateControllerUndo *next; @property (retain, nonatomic) CAState *state; @property (retain, nonatomic) NSMutableArray *elements; @property (retain, nonatomic) NSMutableArray *transitions; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end