anchor.diff:    api.files.list(orderBy: 'createdTime desc', q: "'0B7gIZmKENAt5d0dhODhNbkZNUnM' in parents", pageSize: pageSize).then((
       list) {
       window.console.log('0B7gIZmKENAt5d0dhODhNbkZNUnM');
  -    files.addAll(toFileList(list.files, false));
  +    files.addAll(toFileList(list.files, false, null));
   
       files.sort((a, b) => b.timestamp.compareTo(a.timestamp));
       removeDocument();
  
positive.code:             orderBy: 'createdTime desc', q: "'0B2t1uXRrSZ4SMnA5SWFDWHd0WGs' in parents", pageSize: pageSize).then((
              list) {
              window.console.log('0B2t1uXRrSZ4SMnA5SWFDWHd0WGs');
              files.addAll(toFileList(list.files, true));
  
              files.sort((a, b) => b.timestamp.compareTo(a.timestamp));
              removeDocument();
  
negative.code: class File {
    drive.File driveFile;
    bool isHidden;
    String icon;
    String timestamp;
    String title;
  
    File(drive.File _file, bool _isHidden, String _icon) {
      driveFile = _file;
      icon = _icon;
      isHidden = _isHidden;
      title = _file.name.toString();
      List<String> strings = title.split('_');
  