@Override
  public VirtualFile getVirtualFile() {
    ResourceBundle rb = getResourceBundle();
    if (!rb.isValid()) return null;
    final List<PropertiesFile> list = rb.getPropertiesFiles();
    if (!list.isEmpty()) {
      return list.get(0).getVirtualFile();
    }
    return null;
  }
@Override
  public VirtualFile getVirtualFile()