/**
  * Build the annotation type documentation.
  *
  * @param node the XML element that specifies which components to document
  * @param contentTree the content tree to which the documentation will be added
  */
 public void buildAnnotationTypeDoc(XMLNode node, Content contentTree) throws Exception {
   contentTree =
       writer.getHeader(
           configuration.getText("doclet.AnnotationType") + " " + annotationTypeDoc.name());
   Content annotationContentTree = writer.getAnnotationContentHeader();
   buildChildren(node, annotationContentTree);
   contentTree.addContent(annotationContentTree);
   writer.addFooter(contentTree);
   writer.printDocument(contentTree);
   writer.close();
   copyDocFiles();
 }