declare namespace ObjC{ namespace classes{ export class UIFocusSystem extends NSObject{ static new():UIFocusSystem; init():UIFocusSystem; static focusSystemForEnvironment_(environment:NativePointer|NativePointer):UIFocusSystem; requestFocusUpdateToEnvironment_(environment:NativePointer|NativePointer):any; updateFocusIfNeeded():any; static environment_containsEnvironment_(environment:NativePointer|NativePointer,otherEnvironment:NativePointer|NativePointer):number; static registerURL_forSoundIdentifier_(soundFileURL:NSURL|NativePointer,identifier:any|NativePointer):any; focusedItem():NativePointer; } } }