* lookup IP addresses. Most custom [Dns] implementations should delegate to this instance.
     */
    @JvmField
    val SYSTEM: Dns = DnsSystem()

    private class DnsSystem : Dns {
      override fun lookup(hostname: String): List<InetAddress> {
        try {
          return InetAddress.getAllByName(hostname).toList()
        } catch (e: NullPointerException) {

     * The format includes the parameter name and its values in array format.
     *
     * @return a string representation of this object in the format "[name, [value1, value2, ...]]"
     */
    @Override
    public String toString() {
        return "[" + name + ", " + Arrays.toString(values) + "]";
    }

 */
public class CrawlerEngineClient extends FesenClient {

    /**
     * Creates a new instance of CrawlerEngineClient.
     */
    public CrawlerEngineClient() {
        super();
    }

    @Override
    protected Client createClient() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String[] hosts =

    if (inflater.bytesRead < totalBytesToRead) {
      deflatedBytes.clear()
      inflaterSource.close()
      this.inflaterSource = null
      this.inflater = null
    }
  }

  @Throws(IOException::class)
  override fun close() {
    inflaterSource?.close()
    inflaterSource = null
    inflater = null
  }

    assertThrows(
        IllegalArgumentException.class, () -> Reflection.newProxy(Object.class, X_RETURNER));
  }

  private static final InvocationHandler X_RETURNER =
      new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
          return "x";
        }
      };

  private static int classesInitialized = 0;

  private static class A {

     */
    @Nullable
    Boundary getLowerBoundary();

    /**
     * {@return the string representation of this version}
     */
    @Nonnull
    @Override
    String toString();

    /**
     * Represents range boundary.
     */
    interface Boundary {
        /**
         * The bounding version.
         */
        Version getVersion();

    }

    boolean isIncubating() {
        return metaData.incubating || metaData.ownerClass.incubating
    }

    boolean isReplaced() {
        return metaData.replaced
    }

    @Override
    String getReplacement() {
        return metaData.replacement
    }

    Element getDescription() {
        return comment.find { it.nodeName == 'para' }
    }

    List<Element> getComment() {

    @get:Nested
    val studioInstallationProvider = providers.provider {
        if (autoDownloadAndroidStudio) {
            studioInstallation
        } else {
            null
        }
    }

    override fun asArguments(): Iterable<String> {
        val systemProperties = mutableListOf<String>()

        systemProperties.add(getStudioHome())

        if (runAndroidStudioInHeadlessMode) {

    return this
  }

  @Throws(UnknownHostException::class)
  fun lookup(
    hostname: String,
    index: Int,
  ): InetAddress = hostAddresses[hostname]!![index]

  @Throws(UnknownHostException::class)
  override fun lookup(hostname: String): List<InetAddress> {
    requestedHosts.add(hostname)
    return hostAddresses[hostname] ?: throw UnknownHostException()
  }

  fun assertRequests(vararg expectedHosts: String?) {

    /**
     * Matches the given response data against the sitemaps rule.
     * @param responseData The response data.
     * @return true if the response data matches the sitemaps rule, false otherwise.
     */
    @Override
    public boolean match(final ResponseData responseData) {
        if (super.match(responseData)) {
            try (final InputStream is = responseData.getResponseBody()) {