server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(MockResponse(body = "this response comes via HTTPS"))
    server.enqueue(MockResponse(body = "another response via HTTPS"))

    // The pool will only reuse sockets if the SSL socket factories are the same.
    val clientSocketFactory = handshakeCertificates.sslSocketFactory()
    val hostnameVerifier = RecordingHostnameVerifier()

        children[childIndex] = child
      }
      node = child
    }

    val shift = 8 - accumulatorBitCount
    val start = (code shl shift) and 0xff
    val end = 1 shl shift
    node.children!!.fill(terminal, start, start + end)
  }

  private class Node {
    /** Null if terminal. */
    val children: Array<Node?>?

    /** Terminal nodes have a symbol. */
    val symbol: Int

      "http://[0.0.0.0:0:0:0:0:0:1]/",
      "Invalid URL host: \"[0.0.0.0:0:0:0:0:0:1]\"",
    )
  }

  @Test
  fun hostIpv6WithIncompleteIpv4Suffix() {
    // To Chrome & Safari these are well-formed; Firefox disagrees. (We're consistent with Firefox).
    assertInvalid(
      "http://[0:0:0:0:0:1:255.255.255.]/",
      "Invalid URL host: \"[0:0:0:0:0:1:255.255.255.]\"",
    )
    assertInvalid(

manage network connections. Creating and establishing new connections require a fair amount of overhead and added latency. OkHttp will make every effort to reuse existing connections to avoid this overhead and added latency.

Every OkHttpClient uses a connection pool. Its job is to maintain a reference to all open connections. When an HTTP request is started, OkHttp will attempt to reuse an existing connection from the pool. If there are no existing connections, a new one is created and put into...

     * [addSubjectAlternativeName]. If unset a random string will be used.
     *
     * [rfc_2818]: https://tools.ietf.org/html/rfc2818
     */
    fun commonName(cn: String) =
      apply {
        this.commonName = cn
      }

    /** Sets the certificate's organizational unit (OU). If unset this field will be omitted. */
    fun organizationalUnit(ou: String) =
      apply {

    const val MAX_CONCURRENT_STREAMS = 4

    /** HTTP/2: Size in bytes of the largest frame payload the sender will accept. */
    const val MAX_FRAME_SIZE = 5

    /** HTTP/2: Advisory only. Size in bytes of the largest header list the sender will accept. */
    const val MAX_HEADER_LIST_SIZE = 6

    /** Window size in bytes. */
    const val INITIAL_WINDOW_SIZE = 7

  object DisconnectDuringResponseBody : SocketPolicy

  /**
   * Process the response without even attempting to reading the request body. For HTTP/2 this will
   * send [http2ErrorCode] after the response body or trailers. For HTTP/1 this will close the
   * socket after the response body or trailers.
   */
  class DoNotReadRequestBody(
    val http2ErrorCode: Int = 0,
  ) : SocketPolicy

 *     client_max_window_bits="15"; server_no_context_takeover; client_no_context_takeover
 * ```
 *
 * If any other extension or parameter is specified, then [unknownValues] will be true. Such
 * responses should be refused as their web socket extensions will not be understood.
 *
 * Note that [java.util.zip.Deflater] is hardcoded to use 15 bits (32 KiB) for

 *  * **[Hit Count:][hitCount]** the number of those requests whose responses were served by the
 *    cache.
 *
 * Sometimes a request will result in a conditional cache hit. If the cache contains a stale copy of
 * the response, the client will issue a conditional `GET`. The server will then send either
 * the updated response if it has changed, or a short 'not modified' response if the client's copy

are absent from the original request, including `Content-Length`, `Transfer-Encoding`, `User-Agent`, `Host`, `Connection`, and `Content-Type`. It will add an `Accept-Encoding` header for transparent response compression unless the header is already present. If you’ve got cookies, OkHttp will add a `Cookie` header with them.

Some requests will have a cached response. When this cached response isn’t fresh, OkHttp can do a _conditional GET_ to download an updated response if it’s newer than...