@class HKHealthStore; @interface HKBirthdateChangeManager : NSObject @property (retain, nonatomic) HKHealthStore *healthStore; + (id)_birthdayCalendar; + (void)showDisabledWarningWithAge:(long long)a0 presentingViewController:(id)a1; + (void)showDisabledWarningWithHealthChecklistWithAge:(long long)a0 presentingViewController:(id)a1 openHealthChecklistInContext:(BOOL)a2; + (void)showDisabledWarningWithAge:(long long)a0 isHealthChecklistAvailable:(BOOL)a1 presentingViewController:(id)a2 withAlertActions:(id)a3; - (id)initWithHealthStore:(id)a0; - (void).cxx_destruct; - (id)_nowDate; - (id)setBirthdate:(id)a0 withError:(id *)a1; - (long long)_ageFromBirthDate:(id)a0; - (long long)_ageFromBirthDateComponents:(id)a0; @end