* this URL are always empty, since they are not significant for planning a route.
   */
  @get:JvmName("url")
  val url: HttpUrl =
    HttpUrl
      .Builder()
      .scheme(if (sslSocketFactory != null) "https" else "http")
      .host(uriHost)
      .port(uriPort)
      .build()

  /**

func lines(a ...string) string {
	return strings.Join(a, "\n") + "\n"
}

// drain returns a single string representing the processed input tokens.
func drain(input *Input) string {
	var buf strings.Builder
	for {
		tok := input.Next()
		if tok == scanner.EOF {
			return buf.String()
		}
		if tok == '#' {
			continue
		}
		if buf.Len() > 0 {
			buf.WriteByte('.')
		}

### [Fast Fallback](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-ok-http-client/-builder/fast-fallback/)

Since version 5.0, `OkHttpClient` supports fast fallback, which is our implementation of Happy Eyeballs [RFC 6555](https://datatracker.ietf.org/doc/html/rfc6555).

                docId = null;
            }
            if (StringUtil.isNotBlank(docId)) {
                return searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {
                    builder.setQuery(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
                    return true;
                });
            }
            break;
        default:
            break;

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", ApiExtractor.class.getName());
        }

        // httpclient
        final org.apache.http.client.config.RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
        final HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();

        final Integer connectionTimeoutParam = connectionTimeout;

  private static final int MAX_BYTES = 1000;

  // Map from sample string lengths to the fingerprint
  private static final ImmutableSortedMap<Integer, Long> LENGTH_FINGERPRINTS =
      new ImmutableSortedMap.Builder<Integer, Long>(Ordering.natural())
          .put(1000, 0x433109b33e13e6edL)
          .put(800, 0x5f2f123bfc815f81L)
          .put(640, 0x6396fc6a67293cf4L)
          .put(512, 0x45c01b4934ddbbbeL)

  ): OkHttpClient =
    this.client
      .newBuilder()
      .apply {
        if (connectionSpec != null) {
          connectionSpecs(
            listOf(
              ConnectionSpec
                .Builder(connectionSpec)
                .apply {
                  if (tlsVersion != null) {
                    tlsVersions(tlsVersion)
                  }
                  if (cipherSuites != null) {

        if (robotsTxtHelper != null) {
            robotsTxtHelper.setEnabled(robotsTxtEnabled);
        }

        // httpclient
        final RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
        final HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();

                                .toArray(n -> new UpdateRequest[n]);
                if (updateRequests.length > 0) {
                    searchHelper.bulkUpdate(builder -> {
                        for (final UpdateRequest req : updateRequests) {
                            builder.add(req);
                        }
                    });
                }
            } catch (final Exception e) {

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.timer.TimeoutManager;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.builder.RequestDataBuilder;
import org.codelibs.fess.crawler.client.AbstractCrawlerClient;
import org.codelibs.fess.crawler.client.AccessTimeoutTarget;
import org.codelibs.fess.crawler.entity.RequestData;