if (tf.getConfig().isDfsDisabled()) {
            return null;
        }
        final String dom = domain.toLowerCase(Locale.ROOT);
        synchronized (this.dcLock) {
            CacheEntry<DfsReferralDataInternal> ce = this.dcCache.get(dom);
            if (ce != null && System.currentTimeMillis() > ce.expiration) {
                ce = null;
            }
            if (ce != null) {

          <type>String</type>
        </field>
        <field>
          <name>configuration</name>
          <version>1.2.0+</version>
          <required>false</required>
          <type>DOM</type>
        </field>
      </fields>
      <codeSegments>
        <codeSegment>
          <version>1.0.0+</version>
          <code>
            <![CDATA[
    /**

import java.io.IOException;
import java.io.InputStream;

import javax.xml.parsers.DocumentBuilder;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.exception.SAXRuntimeException;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

/**
 * Utility class for {@link DocumentBuilder}.
 *
 * @author higa
 */
public abstract class DocumentBuilderUtil {

    /**
     * Do not instantiate.

        }
        this.pathConsumed -= i;
    }

    @Override
    public void fixupDomain(final String dom) {
        final String s = getServer();
        if (s.indexOf('.') < 0 && s.toUpperCase(Locale.ROOT).equals(s)) {
            final String fqdn = s + "." + dom;
            if (log.isDebugEnabled()) {
                log.debug(String.format("Applying DFS netbios name hack %s -> %s ", s, fqdn));

import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import javax.xml.xpath.XPathNodes;

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.w3c.dom.Node;

/**
 * The XPathAPI class provides methods to evaluate XPath expressions and select nodes or node lists from an XML document.

        assertEquals(guest, creds.isGuest());
    }

    @Test
    @DisplayName("unwrap throws on null type")
    void unwrap_null_type_throws() {
        TestCredentials creds = new TestCredentials("DOM", false, false, new Subject(), false);
        // Act & Assert
        NullPointerException npe = assertThrows(NullPointerException.class, () -> creds.unwrap(null));
        assertEquals("type", npe.getMessage());
    }

import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.util.XPathAPI;
import org.codelibs.fess.crawler.util.XmlUtil;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.Resource;

import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.util.XmlUtil;
import org.codelibs.nekohtml.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;

/**
 * {@link XpathTransformer} is a class that transforms HTML content into XML format based on XPath expressions.

import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.ResourceUtil;
import org.lastaflute.di.exception.IORuntimeException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;

import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.PrunedTag;
import org.codelibs.nekohtml.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

import jakarta.annotation.PostConstruct;

/**