code: public void buildClassSerializedForm(XMLNode node, Content packageSerializedTree) {
          Content classSerializedTree = writer.getClassSerializedHeader();
          ClassDoc[] classes = currentPackage.allClasses(false);
          Arrays.sort(classes);
          for (ClassDoc classDoc : classes) {
              currentClass = classDoc;
              fieldWriter = writer.getSerialFieldWriter(currentClass);
              methodWriter = writer.getSerialMethodWriter(currentClass);
              if (currentClass.isClass() && currentClass.isSerializable()) {
                  if (!serialClassInclude(currentClass)) {
                      continue;
                  }
                  Content classTree = writer.getClassHeader(currentClass);
                  buildChildren(node, classTree);
                  classSerializedTree.addContent(classTree);
              }
          }
          packageSerializedTree.addContent(classSerializedTree);
      }
docs: Build the class serialized form.
  
  @param node the XML element that specifies which components to document
  @param packageSerializedTree content tree to which the documentation will be added