* </ul>
 *
 * <p>References:</p>
 * <ul>
 * <li><a href="https://datatracker.ietf.org/doc/html/rfc9309">RFC 9309 - Robots Exclusion Protocol</a></li>
 * <li><a href="https://developers.google.com/search/docs/crawling-indexing/robots/robots_txt">
 * Google's robots.txt Specification</a></li>
 * </ul>
 *
 * @author bowez
 * @author shinsuke
 *
 */
public class RobotsTxtHelper {

            throws SmbAuthException {
        return resolve(tf, domain, root, path, 5);
    }

    private DfsReferralData resolve(final CIFSContext tf, String domain, String root, final String path, final int depthLimit)
            throws SmbAuthException {

        if (tf.getConfig().isDfsDisabled() || root == null || root.equals("IPC$") || depthLimit <= 0) {

                SmbTransport trans = null;

                root = root.toLowerCase();

                /* The link entries contain maps of referrals by path representing DFS links.
                 * Note that paths are relative to the root like "\" and not "\example.com\root".
                 */
                CacheEntry links = (CacheEntry) roots.get(root);
                if (links != null && now > links.expiration) {

gc.ca

// cat : https://www.iana.org/domains/root/db/cat.html
cat

// cc : https://www.iana.org/domains/root/db/cc.html
cc

// cd : https://www.iana.org/domains/root/db/cd.html
// see also: https://www.nic.cd/domain/insertDomain_2.jsp?act=1
cd
gov.cd

// cf : https://www.iana.org/domains/root/db/cf.html
cf

// cg : https://www.iana.org/domains/root/db/cg.html
cg

    /**
     * Returns an array of {@link Traverser} instances that handle collections of classes or resources based on the specified root package.
     *
     * @param rootPackage
     *            The root package.
     * @return An array of {@link Traverser} instances that handle collections of resources based on the specified root package.
     */
    public static Traverser[] getTraversers(final String rootPackage) {

 *    certificates to establish trust from a root certificate to the server's certificate. The root
 *    certificate is not included in this chain.
 *  * The client's handshake certificates must include a set of trusted root certificates. They will
 *    be used to authenticate the server's certificate chain. Typically this is a set of well-known
 *    root certificates that is distributed with the HTTP client or its platform. It may be

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {
        return (root == null) ? 0 : root.totalCount;
      }
    },
    DISTINCT {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return 1;
      }

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {
        return (root == null) ? 0 : root.distinctElements;
      }
    };

     * <p>
     * If a root package is specified at instance construction, only classes under the root package are targeted.
     * </p>
     *
     * @param handler the handler to process classes
     */
    void forEach(ClassHandler handler);

    /**
     * Searches for resources handled by this instance and calls the handler for each resource.
     * <p>

        void testGetRootCause() {
            Exception rootCause = new IllegalStateException("Test root cause");
            TransportException exception = new TransportException("Message", rootCause);

            assertEquals(rootCause, exception.getRootCause());
        }

        @Test
        @DisplayName("Should return null when no root cause")
        void testGetRootCauseWhenNull() {

import okio.Okio;

public class SampleServer extends Dispatcher {
  private final SSLContext sslContext;
  private final String root;
  private final int port;

  public SampleServer(SSLContext sslContext, String root, int port) {
    this.sslContext = sslContext;
    this.root = root;
    this.port = port;
  }

  public void run() throws IOException {
    MockWebServer server = new MockWebServer();