code: public void buildFieldHeader(XMLNode node, Content classContentTree) {
          if (!utils.serializableFields(currentTypeElement).isEmpty()) {
              buildFieldSerializationOverview(currentTypeElement, classContentTree);
          }
      }
docs: Build the field header.
  
  @param node the XML element that specifies which components to document
  @param classContentTree content tree to which the documentation will be added