System/Library/PrivateFrameworks/CalendarUIKit.framework

CUIKUndeleteFutureOperation.h

NSObject
>
CUIKUserOperation
>
CUIKCreateOperation

@interface CUIKUndeleteFutureOperation : CUIKCreateOperation

- (BOOL)_executeWithUndoDelegate:(id)a0 error:(id *)a1;
- (Class)_inverseOperationClass;
- (id)_objectsForInverse;

@end