code: private boolean addAnnotationInfo(int indent, Element element,
              List<? extends AnnotationMirror> descList, boolean lineBreak, Content htmltree) {
          List<Content> annotations = getAnnotations(indent, descList, lineBreak);
          String sep = "";
          if (annotations.isEmpty()) {
              return false;
          }
          for (Content annotation: annotations) {
              htmltree.addContent(sep);
              htmltree.addContent(annotation);
              if (!lineBreak) {
                  sep = " ";
              }
          }
          return true;
      }
docs: Adds the annotation types for the given element.
  
  @param indent the number of extra spaces to indent the annotations.
  @param element the element to write annotations for.
  @param descList the array of {@link AnnotationDesc}.
  @param htmltree the documentation tree to which the annotation info will be
  added