code: public void buildSerialUIDInfo(XMLNode node, Content classTree) {
          Content serialUidTree = writer.getSerialUIDInfoHeader();
          FieldDoc[] fields = currentClass.fields(false);
          for (int i = 0; i < fields.length; i++) {
              if (fields[i].name().equals("serialVersionUID") &&
                  fields[i].constantValueExpression() != null) {
                  writer.addSerialUIDInfo(SERIAL_VERSION_UID_HEADER,
                          fields[i].constantValueExpression(), serialUidTree);
                  break;
              }
          }
          classTree.addContent(serialUidTree);
      }
docs: Build the serial UID information for the given class.
  
  @param node the XML element that specifies which components to document
  @param classTree content tree to which the serial UID information will be added