code: protected void addDescription(TypeElement typeElement, Content dlTree, SearchIndexItem si) {
          Content link = getLink(new LinkInfoImpl(configuration,
                          LinkInfoImpl.Kind.INDEX, typeElement).strong(true));
          si.setContainingPackage(utils.getPackageName(utils.containingPackage(typeElement)));
          si.setLabel(utils.getSimpleName(typeElement));
          si.setCategory(resources.getText("doclet.Types"));
          Content dt = HtmlTree.DT(link);
          dt.addContent(" - ");
          addClassInfo(typeElement, dt);
          dlTree.addContent(dt);
          Content dd = new HtmlTree(HtmlTag.DD);
          addComment(typeElement, dd);
          dlTree.addContent(dd);
      }
docs: Add one line summary comment for the class.
  
  @param typeElement the class being documented
  @param dlTree the content tree to which the description will be added
  @param si the search index item to be updated