/**
  * Get the header for the package use listing.
  *
  * @return a content tree representing the package use header
  */
 protected Content getPackageUseHeader() {
   String packageText = configuration.getText("doclet.Package");
   String name = pkgdoc.name();
   String title = configuration.getText("doclet.Window_ClassUse_Header", packageText, name);
   Content bodyTree = getBody(true, getWindowTitle(title));
   addTop(bodyTree);
   addNavLinks(true, bodyTree);
   ContentBuilder headContent = new ContentBuilder();
   headContent.addContent(getResource("doclet.ClassUse_Title", packageText));
   headContent.addContent(new HtmlTree(HtmlTag.BR));
   headContent.addContent(name);
   Content heading =
       HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, true, HtmlStyle.title, headContent);
   Content div = HtmlTree.DIV(HtmlStyle.header, heading);
   bodyTree.addContent(div);
   return bodyTree;
 }
 /**
  * Get the header for the class use Listing.
  *
  * @return a content tree representing the class use header
  */
 protected Content getClassUseHeader() {
   String cltype =
       configuration.getText(classdoc.isInterface() ? "doclet.Interface" : "doclet.Class");
   String clname = classdoc.qualifiedName();
   String title = configuration.getText("doclet.Window_ClassUse_Header", cltype, clname);
   Content bodyTree = getBody(true, getWindowTitle(title));
   addTop(bodyTree);
   addNavLinks(true, bodyTree);
   ContentBuilder headContent = new ContentBuilder();
   headContent.addContent(getResource("doclet.ClassUse_Title", cltype));
   headContent.addContent(new HtmlTree(HtmlTag.BR));
   headContent.addContent(clname);
   Content heading =
       HtmlTree.HEADING(HtmlConstants.CLASS_PAGE_HEADING, true, HtmlStyle.title, headContent);
   Content div = HtmlTree.DIV(HtmlStyle.header, heading);
   bodyTree.addContent(div);
   return bodyTree;
 }