public Properties getProperties(Properties predefinedProperties) {
    Properties result = (Properties) predefinedProperties.clone();
    for (Pair<String, JTextField> pair : myAttributes) {
      result.setProperty(pair.first, pair.second.getText());
    }
    String fileName = getFileName();
    if (fileName != null) {
      result.setProperty(FileTemplate.ATTRIBUTE_NAME, fileName);
    }
    return result;
  }
public Properties getProperties(Properties predefinedProperties)