class ClobSerializer extends LobSerializer {

  public static final String TYPE_OF_DATA_FOR_DB = "TEXT";

  public ClobSerializer() throws SQLException {
    super(TYPE_OF_DATA_FOR_DB);
  }

  /**
   * Converts the input node to its XML String Representation.
   *
   * @param node XML Node that is to be converted to string
   * @return String representation of XML parsed from the Node
   * @throws TransformerException If any issues occur in Transformation from Node to XML
   */
  private static String elementToXmlString(Element node) throws TransformerException {<FILL_FUNCTION_BODY>}

  /**
   * Serializes the input object graph to its XML Representation using DOM Elements.
   *
   * @param forest Object which is to be serialized
   * @return Serialized object
   * @throws ParserConfigurationException If any issues occur in parsing input object
   * @throws TransformerException         If any issues occur in Transformation from Node to XML
   */
  @Override
  public Object serialize(Forest forest) throws ParserConfigurationException, TransformerException {
    Element xmlElement = forest.toXmlElement();
    return elementToXmlString(xmlElement);
  }

  /**
   * Deserializes the input XML string using DOM Parser and return its Object Graph Representation.
   *
   * @param toDeserialize Input Object to De-serialize
   * @return Deserialized Object
   * @throws ParserConfigurationException If any issues occur in parsing input object
   * @throws IOException                  if any issues occur during reading object
   * @throws SAXException                 If any issues occur in Transformation from Node to XML
   */
  @Override
  public Forest deSerialize(Object toDeserialize)
      throws ParserConfigurationException, IOException, SAXException {
    DocumentBuilder documentBuilder = DocumentBuilderFactory.newDefaultInstance()
        .newDocumentBuilder();
    var stream = new ByteArrayInputStream(toDeserialize.toString().getBytes());
    Document parsed = documentBuilder.parse(stream);
    Forest forest = new Forest();
    forest.createObjectFromXml(parsed);
    return forest;
  }
}

    StringWriter sw = new StringWriter();
    Transformer t = TransformerFactory.newDefaultInstance().newTransformer();
    t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
    t.setOutputProperty(OutputKeys.INDENT, "yes");
    t.transform(new DOMSource(node), new StreamResult(sw));
    return sw.toString();
  
<methods>public void close() ,public abstract com.iluwatar.slob.lob.Forest deSerialize(java.lang.Object) throws javax.xml.parsers.ParserConfigurationException, java.io.IOException, org.xml.sax.SAXException, java.lang.ClassNotFoundException,public java.lang.Object loadFromDb(int, java.lang.String) throws java.sql.SQLException,public int persistToDb(int, java.lang.String, java.lang.Object) throws java.sql.SQLException,public abstract java.lang.Object serialize(com.iluwatar.slob.lob.Forest) throws javax.xml.parsers.ParserConfigurationException, javax.xml.transform.TransformerException, java.io.IOException<variables>private final transient non-sealed com.iluwatar.slob.dbservice.DatabaseService databaseService