code: public void buildSerializableFields(XMLNode node, Content classContentTree) {
          MemberDoc[] members = currentClass.serializableFields();
          int membersLength = members.length;
          if (membersLength > 0) {
              Content serializableFieldsTree = fieldWriter.getSerializableFieldsHeader();
              for (int i = 0; i < membersLength; i++) {
                  currentMember = members[i];
                  if (!currentClass.definesSerializableFields()) {
                      Content fieldsContentTree = fieldWriter.getFieldsContentHeader(
                              (i == membersLength - 1));
                      buildChildren(node, fieldsContentTree);
                      serializableFieldsTree.addContent(fieldsContentTree);
                  }
                  else {
                      buildSerialFieldTagsInfo(serializableFieldsTree);
                  }
              }
              classContentTree.addContent(fieldWriter.getSerializableFields(
                      configuration.getText("doclet.Serialized_Form_fields"),
                      serializableFieldsTree));
          }
      }
docs: Build the summaries for the fields that belong to the given class.
  
  @param node the XML element that specifies which components to document
  @param classContentTree content tree to which the documentation will be added