declare class HKActivityRingView extends UIView { static alloc(): HKActivityRingView; // inherited from NSObject static appearance(): HKActivityRingView; // inherited from UIAppearance static appearanceForTraitCollection(trait: UITraitCollection): HKActivityRingView; // inherited from UIAppearance static appearanceForTraitCollectionWhenContainedIn(trait: UITraitCollection, ContainerClass: typeof NSObject): HKActivityRingView; // inherited from UIAppearance static appearanceForTraitCollectionWhenContainedInInstancesOfClasses(trait: UITraitCollection, containerTypes: NSArray | typeof NSObject[]): HKActivityRingView; // inherited from UIAppearance static appearanceWhenContainedIn(ContainerClass: typeof NSObject): HKActivityRingView; // inherited from UIAppearance static appearanceWhenContainedInInstancesOfClasses(containerTypes: NSArray | typeof NSObject[]): HKActivityRingView; // inherited from UIAppearance static new(): HKActivityRingView; // inherited from NSObject activitySummary: HKActivitySummary; setActivitySummaryAnimated(activitySummary: HKActivitySummary, animated: boolean): void; }