System/Library/PrivateFrameworks/iCalendar.framework

ICSTravelAdvisoryBehavior.h

NSObject
>
ICSProperty

@class ICSDateTimeUTCValue;

@interface ICSTravelAdvisoryBehavior : ICSProperty

@property (retain, nonatomic) ICSDateTimeUTCValue *acknowledged;

- (id)initWithString:(id)a0;

@end