@interface HKOverlayRoomPillValueProviderSleep : NSObject <HKOverlayPillValueProviding> - (id)valueFromChartPoints:(id)a0 unit:(id)a1 displayType:(id)a2 unitPreferenceController:(id)a3; - (id)_minMaxValueFromChartPoints:(id)a0 displayType:(id)a1 unitPreferenceController:(id)a2; @end