O que há de Errado com esse codigo

import javax.xml.parsers.<em>;

import org.w3c.dom.</em>;

import java.util.<em>;

import <a href="http://java.io">java.io</a>.</em>;

import <a href="http://java.net">java.net</a>.*;

String path = "C:\\temp\\";
    FileWriter fw = new FileWriter(path + "teste.xml");
    fw.write(resultado);
    fw.close();
    
    
    DocumentBuilderFactory dbf =  DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse("C:\\temp\\teste.xml");
    Element elem = doc.getDocumentElement();
    NodeList nl = elem.getElementsByTagName("FidelidadeCabecalho");
    Element tagUsuario = (Element) nl.item(0);
    String t = getChildTagValue(tagUsuario, "Saldo");
}

Erro:

cannot resolve symbol

symbol  : method getChildTagValue (org.w3c.dom.Element,java.lang.String)

location: class beansVoce.VereficaStatus

String t = getChildTagValue(tagUsuario, “Saldo”);