private boolean checkReadOnlyFiles() {
    List<Path> files = getReadOnlyFiles();
    if (!files.isEmpty()) {
      final String message = IdeBundle.message("message.text.unlock.read.only.files",
                                               ApplicationNamesInfo.getInstance().getFullProductName(),
                                               getFilesString(files));
      final String[] options = {CommonBundle.getContinueButtonText(), CommonBundle.getCancelButtonText()};
      if (Messages.showOkCancelDialog(myMainPanel, message, IdeBundle.message("dialog.title.convert.project"), options[0], options[1], null) != Messages.OK) {
        return false;
      }
      unlockFiles(files);

      files = getReadOnlyFiles();
      if (!files.isEmpty()) {
        showErrorMessage(IdeBundle.message("error.message.cannot.make.files.writable", getFilesString(files)));
        return false;
      }
    }
    return true;
  }
private boolean checkReadOnlyFiles()