declare namespace ObjC{
   namespace classes{
      
       export class UIPopoverBackgroundView extends NSObject{ 
            static	wantsDefaultContentAppearance():number;
            	arrowOffset():number;
            	setArrowOffset_(arrowOffset:number|NativePointer):any;
            	arrowDirection():number;
            	setArrowDirection_(arrowDirection:number|NativePointer):any;
       }
    }
}