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()

/**
 * 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",
)

    flags: Int,
  ) {
    if (type != TYPE_WINDOW_UPDATE && logger.isLoggable(FINE)) {
      logger.fine(frameLog(false, streamId, length, type, flags))
    }
    require(length <= maxFrameSize) { "FRAME_SIZE_ERROR length > $maxFrameSize: $length" }
    require(streamId and 0x80000000.toInt() == 0) { "reserved bit set: $streamId" }
    sink.writeMedium(length)
    sink.writeByte(type and 0xff)
    sink.writeByte(flags and 0xff)

http://%30%78%63%30%2e%30%32%35%30.01  s:http p:/ h:192.168.0.1
http://%30%78%63%30%2e%30%32%35%30.01%2e  s:http p:/ h:0xc0.0250.01.
http://192.168.0.257

# Invalid escaping should trigger the regular host error handling.
http://%3g%78%63%30%2e%30%32%35%30%2E.01

# Something that isn't exactly an IP should get treated as a host and
# spaces escaped.
http://192.168.0.1\shello

          3,
          'B'.code,
          'a'.code,
          'R'.code,
        ),
      ).readHeaders()
    }.also { expected ->
      assertThat(expected.message).isEqualTo(
        "PROTOCOL_ERROR response malformed: mixed case name: Foo",
      )
    }
  }

  @Test
  fun emptyHeaderName() {
    hpackWriter!!.writeByteString("".encodeUtf8())
    assertBytes(0)

    // we should try the next route (if there is one).
    if (e is InterruptedIOException) {
      return e is SocketTimeoutException && !requestSendStarted
    }

    // Look for known client-side or negotiation errors that are unlikely to be fixed by trying
    // again with a different route.
    if (e is SSLHandshakeException) {
      // If the problem was a CertificateException from the X509TrustManager,
      // do not retry.

        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) =

    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

    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(

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

  @JvmName("-deprecated_proxy")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "proxy"),
    level = DeprecationLevel.ERROR,
  )
  fun proxy(): Proxy = proxy

  @JvmName("-deprecated_socketAddress")
  @Deprecated(