/**
  * Build the signature of the current annotation type.
  *
  * @param node the XML element that specifies which components to document
  * @param annotationInfoTree the content tree to which the documentation will be added
  */
 public void buildAnnotationTypeSignature(XMLNode node, Content annotationInfoTree) {
   StringBuffer modifiers = new StringBuffer(annotationTypeDoc.modifiers() + " ");
   writer.addAnnotationTypeSignature(
       Util.replaceText(modifiers.toString(), "interface", "@interface"), annotationInfoTree);
 }