public String toString()
  {
    StringBuffer settingsString = new StringBuffer();
    if (settingsMap.size() > 0)
    {
      for (Entry<String, String> entry : settingsMap.entrySet())
      {
        if (entry.getKey().startsWith("["))
        {
          settingsString.append(entry.getKey());
          settingsString.append(entry.getValue());
        }
      }
    }
    else
    {
      settingsString.append("<unknown>");
    }
    return settingsString.toString();
  }