val requestA = builder.tag(String::class.java, "a").build()
    val requestB = builder.tag(String::class.java, "b").build()
    val requestC = requestA.newBuilder().tag(String::class.java, "c").build()
    assertThat(requestA.tag(String::class.java)).isSameAs("a")
    assertThat(requestB.tag(String::class.java)).isSameAs("b")
    assertThat(requestC.tag(String::class.java)).isSameAs("c")
  }

  @Test

   * `"SSL_RSA_EXPORT_WITH_RC4_40_MD5"`.
   */
  @get:JvmName("javaName") val javaName: String,
) {
  @JvmName("-deprecated_javaName")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "javaName"),
    level = DeprecationLevel.ERROR,
  )
  fun javaName(): String = javaName

  override fun toString(): String = javaName

  companion object {
    /**

   * may trigger an [OutOfMemoryError]. Prefer to stream the response body if this is a
   * possibility for your response.
   */
  @Throws(IOException::class)
  fun string(): String =
    source().use { source ->
      source.readString(charset = source.readBomAsCharset(charset()))
    }

  private fun charset() = contentType().charsetOrUtf8()

  override fun close() = commonClose()

      // treats an incomplete response body as a ProtocolException.
    }
  }

  private fun headersToList(response: MockResponse): List<String> {
    val headers = response.headers
    val size = headers.size
    val headerList: MutableList<String> = ArrayList(size)
    for (i in 0 until size) {
      headerList.add(headers.name(i) + ": " + headers.value(i))
    }
    return headerList
  }

    )
    serverIpv6.enqueue(
      MockResponse(body = "hello from IPv6"),
    )

    val call = client.newCall(Request(url))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("hello from IPv6")

    // In the process we made one successful connection attempt.
    assertThat(listener.recordedEventTypes().filter { it == "ConnectStart" }).hasSize(1)

      TlsVersion.TLS_1_2.javaName,
    )
    val expectedCipherSuites: MutableList<String> = ArrayList()
    expectedCipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256.javaName)
    expectedCipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA.javaName)
    if (listOf<String>(*socket.supportedCipherSuites).contains("TLS_FALLBACK_SCSV")) {
      expectedCipherSuites.add("TLS_FALLBACK_SCSV")

              assertThat(responseA.body.string()).isEqualTo("a")
            }
            chain.proceed(chain.request())
          },
        )
        .build()
    val requestB =
      Request.Builder()
        .url(server.url("/b"))
        .build()
    val responseB = client.newCall(requestB).execute()
    assertThat(responseB.body.string()).isEqualTo("b")
  }

    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onMessage(
          webSocket: WebSocket,
          text: String,
        ) {
          throw e
        }
      },
    )
    server.send("Hello, WebSockets!")
    clientListener.assertFailure(e)
    serverListener.assertFailure(EOFException::class.java)

        } catch (expected: IOException) {
        }
      }
    thread.start()
    return thread
  }

  private fun newRequest(url: String): Request {
    return Request.Builder().url(url).build()
  }

  private fun newRequest(
    url: String,
    tag: String,
  ): Request {
    return Request.Builder().url(url).tag(tag).build()
  }

  }

  override fun finishRequest() {
    sink.flush()
  }

  /** Returns bytes of a request header for sending on an HTTP transport. */
  fun writeRequest(
    headers: Headers,
    requestLine: String,
  ) {
    check(state == STATE_IDLE) { "state: $state" }
    sink.writeUtf8(requestLine).writeUtf8("\r\n")
    for (i in 0 until headers.size) {
      sink.writeUtf8(headers.name(i))
        .writeUtf8(": ")