@class NSString, HKDisplayType, HKDisplayTypeContextItem, HKInteractiveChartOverlayViewController; @protocol HKOverlaySleepRoomContextChangeDelegate; @interface _HKSleepDurationAmountContext : NSObject <HKOverlayContext> @property (retain, nonatomic) HKDisplayTypeContextItem *lastUpdatedItem; @property (readonly, weak, nonatomic) id<HKOverlaySleepRoomContextChangeDelegate> contextChangeDelegate; @property (readonly, nonatomic) HKInteractiveChartOverlayViewController *overlayChartController; @property (readonly, nonatomic) HKDisplayType *baseDisplayType; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (id)overlayDisplayTypeForTimeScope:(long long)a0; - (id)baseDisplayTypeForOverlay:(long long)a0; - (id)contextItemForLastUpdate; - (long long)resolutionForTimeScope:(long long)a0 traitResolution:(long long)a1; - (id)sampleTypeForDateRangeUpdates; - (BOOL)unselectedContextShouldUseContextBaseType; - (void)updateContextItemForDateInterval:(id)a0 overlayController:(id)a1 timeScope:(long long)a2 resolution:(long long)a3 completion:(id /* block */)a4; - (id)_amountStringFromCounts:(id)a0 timeScope:(long long)a1; - (id)_contextItemWithAmountString:(id)a0; - (id)_daysWithSleepDataFromChartPoints:(id)a0; - (id)initWithBaseDisplayType:(id)a0 overlayChartController:(id)a1 contextChangeDelegate:(id)a2; @end