/**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.
   */
  fun getDate(name: String): Date? = get(name)?.toHttpDateOrNull()

  /**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.

  private val connectionUser: ConnectionUser,
  private val fastFallback: Boolean,
) {
  // State for negotiating the next proxy to use.
  private var proxies = emptyList<Proxy>()
  private var nextProxyIndex: Int = 0

  // State for negotiating the next socket address to use.
  private var inetSocketAddresses = emptyList<InetSocketAddress>()

  // State for negotiating failed routes
  private val postponedRoutes = mutableListOf<Route>()

of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License. 5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall...

            // from being reused. Otherwise we're still obligated to transmit the request body to
            // leave the connection in a consistent state.
            exchange.noNewExchangesOnConnection()
          }
        }
      } else {
        exchange.noRequestBody()
      }

      if (requestBody == null || !requestBody.isDuplex()) {

  }

  @Test fun setDate() {
    val expected = Date(1000)
    val headers =
      Headers.Builder()
        .add("testDate", Date(0L))
        .set("testDate", expected)
        .build()
    assertThat(headers["testDate"]).isEqualTo("Thu, 01 Jan 1970 00:00:01 GMT")
    assertThat(headers.getDate("testDate")).isEqualTo(expected)
  }

  @Test fun setInstant() {

              if (!executedCall) {
                // At this point, we have a healthy HTTP/2 connection. This call will trigger the
                // server to send a GOAWAY frame, leaving the connection in a shutdown state.
                executedCall = true
                val call =
                  client.newCall(
                    Request.Builder()
                      .url(server.url("/"))

  }

  @Test
  fun headers() {
    var headers: Headers = headersOf("", "")
    headers = mapOf("" to "").toHeaders()
    val get: String? = headers[""]
    val date: Date? = headers.getDate("")
    val instant: Instant? = headers.getInstant("")
    val size: Int = headers.size
    val name: String = headers.name(0)
    val value: String = headers.value(0)
    val names: Set<String> = headers.names()

   */
  private fun openConnections(state: AddressState): Long {
    // This policy does not require minimum connections, don't run again
    if (state.policy.minimumConcurrentCalls == 0) return -1L

    var concurrentCallCapacity = 0
    for (connection in connections) {
      if (state.address != connection.route.address) continue
      connection.withLock {

    } else {
      wildcardRuleLabels
    }
  }

  /**
   * Reads the public suffix list treating the operation as uninterruptible. We always want to read
   * the list otherwise we'll be left in a bad state. If the thread was interrupted prior to this
   * operation, it will be re-interrupted after the list is read.
   */
  private fun readTheListUninterruptibly() {
    var interrupted = false
    try {

              return socket
            }
          },
        )
        .build()
  }

  @AfterEach
  fun tearDown() {
    Thread.interrupted() // Clear interrupted state.
  }

  @Test
  fun interruptWritingRequestBody() {
    server.enqueue(MockResponse())
    server.start()
    val call =
      client.newCall(
        Request.Builder()
          .url(server.url("/"))