@Override
  public void writeExternal(final Element element) {
    for (final ExcludeEntryDescription description : getExcludeEntryDescriptions()) {
      if (description.isFile()) {
        Element entry = new Element(FILE);
        entry.setAttribute(URL, description.getUrl());
        element.addContent(entry);
      }
      else {
        Element entry = new Element(DIRECTORY);
        entry.setAttribute(URL, description.getUrl());
        entry.setAttribute(INCLUDE_SUBDIRECTORIES, Boolean.toString(description.isIncludeSubdirectories()));
        element.addContent(entry);
      }
    }
  }
@Override
  public void writeExternal(final Element element)