code: public void buildPackageHeader(XMLNode node, Content packageSerializedTree) {
          packageSerializedTree.addContent(writer.getPackageHeader(
                  utils.getPackageName(currentPackage)));
      }
docs: Build the package header.
  
  @param node the XML element that specifies which components to document
  @param packageSerializedTree content tree to which the documentation will be added