@class HKCategorySample, NSString, NSDateInterval; @interface _WDSleepStageSampleObject : NSObject <WDDataListDataObjectSource> @property (readonly, nonatomic) HKCategorySample *sample; @property (readonly, nonatomic) NSDateInterval *dateInterval; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end