clearPrevious: Boolean,
      settings: Settings,
    )

    /** HTTP/2 only. */
    fun ackSettings()

    /**
     * Read a connection-level ping from the peer. `ack` indicates this is a reply. The data
     * in `payload1` and `payload2` opaque binary, and there are no rules on the content.
     */
    fun ping(
      ack: Boolean,
      payload1: Int,
      payload2: Int,
    )

    /**

    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("ABC")
    assertThat(response.protocol).isEqualTo(protocol)

    // Confirm a single ping was sent and received, and its reply was sent and received.
    val logs = testLogHandler.takeAll()
    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          "))
      .isEqualTo(1)

) : DelegatingSocketFactory(getDefault()) {
  private val hostMapping = mutableMapOf<InetAddress, InetSocketAddress>()

  /** Sets the [real] address for [requested].  */
  operator fun set(
    requested: InetAddress,
    real: InetSocketAddress,
  ) {
    hostMapping[requested] = real
  }

  override fun createSocket(): Socket {
    return object : Socket() {
      override fun connect(
        endpoint: SocketAddress?,

        if (localAddress.size != 4) {
          throw ProtocolException("unexpected address: " + toSocket.localAddress)
        }

        // Write the reply.
        fromSink.writeByte(VERSION_5)
        fromSink.writeByte(REPLY_SUCCEEDED)
        fromSink.writeByte(0)
        fromSink.writeByte(ADDRESS_TYPE_IPV4)
        fromSink.write(localAddress)
        fromSink.writeShort(toSocket.localPort)

  private var receivedPingCount = 0

  /** Total number of pongs received by this web socket. */
  private var receivedPongCount = 0

  /** True if we have sent a ping that is still awaiting a reply. */
  private var awaitingPong = false

  init {
    require("GET" == originalRequest.method) {
      "Request must be GET: ${originalRequest.method}"
    }

      } catch (e: IOException) {
        failConnection(e)
      }
    }
  }

  fun writePing(
    reply: Boolean,
    payload1: Int,
    payload2: Int,
  ) {
    try {
      writer.ping(reply, payload1, payload2)
    } catch (e: IOException) {
      failConnection(e)
    }
  }

  /** For testing: sends a ping and waits for a pong. */

    val bndDir = workspaceDir / "cnf"
    val repoDir = bndDir / "repo"
    fileSystem.createDirectories(repoDir)
    return Workspace(workspaceDir.toFile(), bndDir.name)
      .apply {
        setProperty(
          "${Constants.PLUGIN}.$REPO_NAME",
          LocalIndexedRepo::class.java.getName() +
            "; ${LocalIndexedRepo.PROP_NAME} = '$REPO_NAME'" +
            "; ${LocalIndexedRepo.PROP_LOCAL_DIR} = '$repoDir'",

       to ignore these two files when considering whether the classpath
       has changed. That is the purpose of this normalization block.
   */
    ignore("okhttp3/osgi/workspace/cnf/repo/index.xml.gz")
    ignore("okhttp3/osgi/workspace/cnf/repo/index.xml.gz.sha")
  }
}

// Expose OSGi jars to the test environment.
val osgiTestDeploy: Configuration by configurations.creating

        )
        return
      }

      // This is a long-lived response. Cancel full-call timeouts.
      call?.timeout()?.cancel()

      // Replace the body with a stripped one so the callbacks can't see real data.
      val response = response.stripBody()

      val reader = ServerSentEventReader(body.source(), this)
      try {
        if (!canceled) {
          listener.onOpen(this, response)

        throw errorException ?: StreamResetException(errorCode!!)
      }
      throw IllegalStateException("too early; can't read the trailers yet")
    }
  }

  /**
   * Sends a reply to an incoming stream.
   *
   * @param outFinished true to eagerly finish the output stream to send data to the remote peer.
   *     Corresponds to `FLAG_FIN`.