@class NSString; @protocol HKChartCacheDataSource; @interface HKInteractiveChartOverlayNamedDataSource : NSObject @property (retain, nonatomic) id<HKChartCacheDataSource> dataSource; @property (retain, nonatomic) NSString *name; @property (copy, nonatomic) id /* block */ contextTitleForTimeScope; - (void).cxx_destruct; - (id)initWithDataSource:(id)a0 named:(id)a1 withContextTitleForTimeScope:(id /* block */)a2; @end