@interface _HKSleepDaySummaryDurations : NSObject @property (readonly, nonatomic) double inBedDuration; @property (readonly, nonatomic) double sleepDuration; @property (readonly, nonatomic) double unspecifiedSleepDuration; @property (readonly, nonatomic) double coreSleepDuration; @property (readonly, nonatomic) double deepSleepDuration; @property (readonly, nonatomic) double remSleepDuration; @property (readonly, nonatomic) double awakeDuration; + (id)durationsFromSleepPeriods:(id)a0 dateInterval:(id)a1; - (id)initWithInBedDuration:(double)a0 sleepDuration:(double)a1 unspecifiedSleepDuration:(double)a2 coreSleepDuration:(double)a3 deepSleepDuration:(double)a4 remSleepDuration:(double)a5 awakeDuration:(double)a6; @end