         return rect
     }
     
-    func scrollReferencesToVisible(_ references: [WMFReference], viewController: WMFReferencePageViewController) {
+    private func scrollReferencesToVisible(_ references: [WMFReference], viewController: WMFReferencePageViewController) {
         let windowCoordsRefGroupRect = windowCoordinatesRect(for: references)
         guard
             !windowCoordsRefGroupRect.isEmpty,

        }
    }
    
    func showReferencesPopover(with reference: WMFReference) {
        let width = min(min(view.frame.size.width, view.frame.size.height) - 20, 355);
        guard let popoverVC = WMFReferencePopoverMessageViewController.wmf_initialViewControllerFromClassStoryboard() else {

        }
    }
    

}

extension ArticleViewController: UIPageViewControllerDelegate {
