UIKit iOS 11.0 Beta 5 to Beta 6 API Differences
../Frameworks/DocumentManager.framework/Headers/UIDocumentBrowserViewController.h
Removed
-[UIDocumentBrowserViewControllerDelegate importDocumentAtURL:nextToDocumentAtURL:mode:completionHandler:]
Added
-[UIDocumentBrowserViewController importDocumentAtURL:nextToDocumentAtURL:mode:completionHandler:]