anchor.diff:      }
     }
   
  -  Pointer<COMObject> get FileTypeFilter {
  +  IVector<String> get FileTypeFilter {
       final retValuePtr = calloc<COMObject>();
   
       final hr = ptr.ref.lpVtbl.value
  
positive.code: import '../utils.dart';
  import '../winrt/winrt_helpers.dart';
  import 'IInspectable.dart';
  
  /// @nodoc
  const IID_IFileOpenPicker = '{2CA8278A-12C5-4C5F-8977-94547793C241}';
  
negative.code: 
      if (FAILED(hr)) throw WindowsException(hr);
  
      return IVector(retValuePtr);
    }
  
    Pointer<COMObject> PickSingleFileAsync() {
  