code: public Content getPackageHeader(String heading) {
          String pkgName = packageDoc.name();
          Content bodyTree = getBody(true, getWindowTitle(pkgName));
          addTop(bodyTree);
          addNavLinks(true, bodyTree);
          HtmlTree div = new HtmlTree(HtmlTag.DIV);
          div.addStyle(HtmlStyle.header);
          Content annotationContent = new HtmlTree(HtmlTag.P);
          addAnnotationInfo(packageDoc, annotationContent);
          div.addContent(annotationContent);
          Content tHeading = HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, true,
                  HtmlStyle.title, packageLabel);
          tHeading.addContent(getSpace());
          Content packageHead = new StringContent(heading);
          tHeading.addContent(packageHead);
          div.addContent(tHeading);
          addDeprecationInfo(div);
          if (packageDoc.inlineTags().length > 0 && ! configuration.nocomment) {
              HtmlTree docSummaryDiv = new HtmlTree(HtmlTag.DIV);
              docSummaryDiv.addStyle(HtmlStyle.docSummary);
              addSummaryComment(packageDoc, docSummaryDiv);
              div.addContent(docSummaryDiv);
              Content space = getSpace();
              Content descLink = getHyperLink(getDocLink(
                      SectionName.PACKAGE_DESCRIPTION),
                      descriptionLabel, "", "");
              Content descPara = new HtmlTree(HtmlTag.P, seeLabel, space, descLink);
              div.addContent(descPara);
          }
          bodyTree.addContent(div);
          return bodyTree;
      }
docs: {@inheritDoc}