public static final int ACT_ERR = 0x6;
    /** Name in conflict error */
    public static final int CFT_ERR = 0x7;

    // session service error codes
    /** Connection refused by the remote host */
    public static final int CONNECTION_REFUSED = -1;
    /** Not listening on the called name */
    public static final int NOT_LISTENING_CALLED = 0x80;
    /** Not listening for the calling name */

    val encodedUsername: String = httpUrl.encodedUsername
    val username: String = httpUrl.username
    val encodedPassword: String = httpUrl.encodedPassword
    val password: String = httpUrl.password
    val host: String = httpUrl.host
    val port: Int = httpUrl.port
    val pathSize: Int = httpUrl.pathSize
    val encodedPath: String = httpUrl.encodedPath
    val encodedPathSegments: List<String> = httpUrl.encodedPathSegments

    detecting the TLS capabilities of the host platform.

 *  Fix: Don't crash in `HttpUrl.topPrivateDomain()` when the hostname is malformed.

 *  Fix: Don't attempt Brotli decompression if the response body is empty.


## Version 4.7.2

_2020-05-20_

 *  Fix: Don't crash inspecting whether the host platform is JVM or Android. With 4.7.0 and 4.7.1 we

   *  * `example.com:443 via proxy [::1]:8888`
   *
   * This omits duplicate information when possible.
   */
  override fun toString(): String =
    buildString {
      val addressHostname = address.url.host // Already in canonical form.
      val socketHostname = socketAddress.address?.hostAddress?.toCanonicalHost()

      when {
        ':' in addressHostname -> append("[").append(addressHostname).append("]")

    calls++

    if (exchange != null) {
      check(exchange.finder.routePlanner.sameHostAndPort(request.url)) {
        "network interceptor ${interceptors[index - 1]} must retain the same host and port"
      }
      check(calls == 1) {
        "network interceptor ${interceptors[index - 1]} must call proceed() exactly once"
      }
    }

    // Call the next interceptor in the chain.

labels.pathmap_pt_both=Crawlen/Weergeven
labels.pathmap_pt_stored=Geëxtraheerde URL-conversie
labels.regular_name=Reguliere naam
labels.duplicate_name=Dubbele naam
labels.duplicate_host_configuration=Dubbele host
labels.duplicate_host_title_details=Dubbele host
labels.dashboard_title_configuration=Systeemconfiguratie
labels.dashboard_plugin=Dashboard-plugin
labels.web_config_list=Webconfiguratelijst
labels.access_token_details=Access Token Details

      },
      "favorite_count": {
        "type": "long"
      },
      "filename": {
        "type": "keyword"
      },
      "filetype": {
        "type": "keyword"
      },
      "host": {
        "type": "keyword"
      },
      "lang": {
        "type": "keyword"
      },
      "last_modified": {
        "type": "date",
        "format": "date_optional_time"
      },

    }
  }

  public void fetch(HttpUrl url) throws IOException {
    // Skip hosts that we've visited many times.
    AtomicInteger hostnameCount = new AtomicInteger();
    AtomicInteger previous = hostnames.putIfAbsent(url.host(), hostnameCount);
    if (previous != null) hostnameCount = previous;
    if (hostnameCount.getAndIncrement() >= hostLimit) return;

    Request request = new Request.Builder()
        .url(url)
        .build();

          } catch (e: Exception) {
            false
          }
        }.build()

    val request =
      Request
        .Builder()
        .url("https://sni.cloudflaressl.com/cdn-cgi/trace")
        .header("Host", "cloudflare-dns.com")
        .build()
    client.newCall(request).execute().use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(response.protocol).isEqualTo(Protocol.HTTP_2)

and increase connectivity with web servers.

### Certificate Pinning ([.kt][CertificatePinningKotlin], [.java][CertificatePinningJava])