code: public void buildAnnotationTypeSignature(XMLNode node, Content annotationInfoTree) {
          writer.addAnnotationTypeSignature(utils.modifiersToString(annotationType, true),
                  annotationInfoTree);
      }
docs: 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