replaceWith = ReplaceWith(expression = "certificate"),
    level = DeprecationLevel.ERROR,
  )
  fun certificate(): X509Certificate = certificate

  @JvmName("-deprecated_keyPair")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "keyPair"),
    level = DeprecationLevel.ERROR,
  )
  fun keyPair(): KeyPair = keyPair

  /**

    if (errors.isEmpty()) {
      assertThat(bodies.remove()).isEqualTo("ABC")
      assertThat(server.requestCount).isEqualTo(2)
    } else {
      // https://github.com/square/okhttp/issues/4836
      // As documented in SocketPolicy, this is known to be flaky.
      val error = errors[0]
      if (error !is StreamResetException) {
        throw error!!
      }
    }
  }

  }

  @Test
  fun protocolErrorBeforeCloseSendsFailure() {
    server.sink.write("0a00".decodeHex()).emit() // Invalid non-final ping frame.
    client.processNextFrame() // Detects error, send close, close connection.
    taskFaker.runTasks()
    client.webSocket!!.finishReader()
    assertThat(client.closed).isTrue()
    client.listener.assertFailure(
      ProtocolException::class.java,

        in 100..199 -> "Informational"
        in 200..299 -> "OK"
        in 300..399 -> "Redirection"
        in 400..499 -> "Client Error"
        in 500..599 -> "Server Error"
        else -> "Mock Response"
      }
    return apply { status = "HTTP/1.1 $code $reason" }
  }

  fun clearHeaders() =
    apply {
      headersBuilder = Headers.Builder()
    }

  fun addHeader(header: String) =

        override fun select(uri: URI) = listOf(socksProxy.proxy())

        override fun connectFailed(
          uri: URI,
          socketAddress: SocketAddress,
          e: IOException,
        ) = error("unexpected call")
      }
    val client =
      clientTestRule.newClientBuilder()
        .proxySelector(proxySelector)
        .build()
    val request = Request.Builder().url(server.url("/")).build()

    replaceWith = ReplaceWith(expression = "dispatcher"),
    level = DeprecationLevel.ERROR,
  )
  fun dispatcher(): Dispatcher = dispatcher

  @JvmName("-deprecated_connectionPool")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "connectionPool"),
    level = DeprecationLevel.ERROR,
  )
  fun connectionPool(): ConnectionPool = connectionPool

enum class ErrorCode constructor(val httpCode: Int) {
  /** Not an error!  */
  NO_ERROR(0),

  PROTOCOL_ERROR(1),

  INTERNAL_ERROR(2),

  FLOW_CONTROL_ERROR(3),

  SETTINGS_TIMEOUT(4),

  STREAM_CLOSED(5),

  FRAME_SIZE_ERROR(6),

  REFUSED_STREAM(7),

  CANCEL(8),

  COMPRESSION_ERROR(9),

  CONNECT_ERROR(0xa),

  ENHANCE_YOUR_CALM(0xb),

  INADEQUATE_SECURITY(0xc),

/**
 * Access every declaration that is deprecated with [DeprecationLevel.ERROR]. Although new Kotlin
 * code shouldn't use these, they're necessary for clients migrating from OkHttp 3.x and this test
 * ensures the symbols remain available and with the expected parameter and return types.
 */
@Suppress(
  "DEPRECATION_ERROR",
  "UNUSED_VALUE",
  "UNUSED_VARIABLE",
  "VARIABLE_WITH_REDUNDANT_INITIALIZER",
)

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "url"),
    level = DeprecationLevel.ERROR,
  )
  fun url(): HttpUrl = url

  @JvmName("-deprecated_dns")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "dns"),
    level = DeprecationLevel.ERROR,
  )
  fun dns(): Dns = dns

  @JvmName("-deprecated_socketFactory")
  @Deprecated(

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "type"),
    level = DeprecationLevel.ERROR,
  )
  fun type(): MediaType = type

  @JvmName("-deprecated_boundary")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "boundary"),
    level = DeprecationLevel.ERROR,
  )
  fun boundary(): String = boundary

  @JvmName("-deprecated_size")
  @Deprecated(