@class NSCalendar, NSDate; @interface HDNotificationEngineConfiguration : NSObject @property (readonly, copy, nonatomic) NSDate *startGenerationDate; @property (readonly, copy, nonatomic) NSDate *endGenerationDate; @property (readonly, nonatomic) NSCalendar *calendar; - (id)init; - (void).cxx_destruct; - (id)initWithCalendar:(id)a0 startGenerationDate:(id)a1 endGenerationDate:(id)a2; @end