println("Server: ${response.header("Server")}")
          println("Date: ${response.header("Date")}")
          println("Vary: ${response.headers("Vary")}")
        }
      }
    ```

=== ":material-language-java: Java"
    ```java
      private final OkHttpClient client = new OkHttpClient();

      public void run() throws Exception {

  private val atomicRequestCount = AtomicInteger()

  private var serverSocketFactory_: ServerSocketFactory? = null
  private var serverSocket: ServerSocket? = null

  /** Non-null after [start]. */
  private var socketAddress_: InetSocketAddress? = null

  private var sslSocketFactory: SSLSocketFactory? = null
  private var clientAuth = CLIENT_AUTH_NONE

  private var closed: Boolean = false

  /**

		<packaging.fess.conf.dir>/etc/fess</packaging.fess.conf.dir>
		<packaging.fess.var.dir>/var/lib/fess</packaging.fess.var.dir>
		<packaging.fess.lib.dir>${packaging.fess.home.dir}/lib</packaging.fess.lib.dir>
		<packaging.fess.log.dir>/var/log/fess</packaging.fess.log.dir>
		<packaging.fess.temp.dir>/var/tmp/fess</packaging.fess.temp.dir>

# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.3.2
#
# Required ENV vars:
# ------------------
#   JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
#     e.g. to debug Maven itself, use

    assertThat(hpackWriter!!.headerCount).isEqualTo(1)
    hpackWriter!!.writeHeaders(headerEntries("foo", "bar1"))
    assertBytes(0x7e, 4, 'b'.code, 'a'.code, 'r'.code, '1'.code)
    assertThat(hpackWriter!!.headerCount).isEqualTo(2)
    hpackWriter!!.writeHeaders(headerEntries("foo", "bar1"))
    assertBytes(0xbe)
    assertThat(hpackWriter!!.headerCount).isEqualTo(2)
  }

    cacheHit
      .cacheResponse()
      .assertCode(200)
      .assertHeader("Donut", "a")
      .assertHeader("ETag", "v1")
      .assertRequestUrl(server.url("/"))
      .assertRequestHeader("Accept-Language") // No Vary on Accept-Language.
      .assertRequestHeader("Accept-Charset", "UTF-8") // Because of Vary on Accept-Charset.

    var method: String? = recordedRequest.method
    var path: String? = recordedRequest.path
    var headers: Headers = recordedRequest.headers
    val header: String? = recordedRequest.getHeader("")
    var chunkSizes: List<Int> = recordedRequest.chunkSizes
    var bodySize: Long = recordedRequest.bodySize
    var body: Buffer = recordedRequest.body
    var utf8Body: String = recordedRequest.body.readUtf8()

            //

            var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
            var month = calendar.month.month();
            var year = calendar.month.year();
            var hour = calendar.month.hour();
            var minute = calendar.month.minute();
            var second = calendar.month.second();
            var daysInMonth = moment([year, month]).daysInMonth();

this.switchTab("#"+s);this.onTabCreated(n.default("#"+s))},t.openTabSidebar=function(e,t){void 0===t&&(t=this._config.autoShowNewTab);var a=n.default(e).clone();void 0===a.attr("href")&&(a=n.default(e).parent("a").clone()),a.find(".right, .search-path").remove();var i=a.find("p").text();""===i&&(i=a.text());var o=a.attr("href");if("#"!==o&&""!==o&&void 0!==o){var l=unescape(o).replace("./","").replace(/["#&'./:=?[\]]/gi,"-").replace(/(--)/gi,""),s="tab-"+l;if(!this._config.allowDuplicates&&n.def...

":function(e){return a.then(null,e)},pipe:function(){var i=arguments;return ce.Deferred(function(r){ce.each(o,function(e,t){var n=v(i[t[4]])&&i[t[4]];s[t[1]](function(){var e=n&&n.apply(this,arguments);e&&v(e.promise)?e.promise().progress(r.notify).done(r.resolve).fail(r.reject):r[t[0]+"With"](this,n?[e]:arguments)})}),i=null}).promise()},then:function(t,n,r){var u=0;function l(i,o,a,s){return function(){var n=this,r=arguments,e=function(){var e,t;if(!(i<u)){if((e=a.apply(n,r))===o.promise())throw...