/**
   * Called when the HTTP response was successfully returned by the remote server. The callback may
   * proceed to read the response body with [Response.body]. The response is still live until its
   * response body is [closed][ResponseBody]. The recipient of the callback may consume the response
   * body on another thread.
   *
   * Note that transport-layer success (receiving a HTTP response code, headers and body) does not

   * should be used specifically for [java.io.Closeable] objects and in conjunction with
   * [logCloseableLeak].
   */
  open fun getStackTraceForCloseable(closer: String): Any? {
    return when {
      logger.isLoggable(Level.FINE) -> Throwable(closer) // These are expensive to allocate.
      else -> null
    }
  }

  open fun logCloseableLeak(
    message: String,
    stackTrace: Any?,
  ) {

    /**
     * How many concurrent calls should be possible to make at any time.
     * The pool will routinely try to pre-emptively open connections to satisfy this minimum.
     * Connections will still be closed if they idle beyond the keep-alive but will be replaced.
     */
    @JvmField val minimumConcurrentCalls: Int = 0,
    /** How long to wait to retry pre-emptive connection attempts that fail. */

    the certificate that follows and the last certificate is signed by a trusted root.

 *  Fix: Don't lose HTTP/2 flow control bytes when incoming data races with a stream close. If this
    happened enough then eventually the connection would stall.

 *  Fix: Acknowledge and apply inbound HTTP/2 settings atomically. Previously we had a race where we

   * response body is empty this is invoked immediately before returning that to the application.
   *
   * If the application closes the response body before attempting a read, this is invoked at the
   * time it is closed.
   *
   * The connection is implicit, and will generally relate to the last [connectionAcquired] event.
   *

   * characters can be read, the remaining characters are returned and the stream is closed.
   */
  private fun readAscii(
    inputStream: InputStream,
    count: Int,
  ): String {
    val result = StringBuilder()
    for (i in 0 until count) {
      val value = inputStream.read()
      if (value == -1) {
        inputStream.close()
        break
      }
      result.append(value.toChar())
    }

 *  Fix: Throw `UnknownServiceException` if a cleartext connection is attempted
    when explicitly forbidden.
 *  Fix: Throw a `SSLPeerUnverifiedException` when host verification fails.
 *  Fix: MockWebServer explicitly closes sockets. (On some Android releases,
    closing the input stream and output stream of a socket is not sufficient.
 *  Fix: Buffer outgoing HTTP/2 frames to limit how many outgoing frames are
    created.

 * and [ShutdownOutputAtEnd] that close a socket after a response, and where there are
 * follow-up requests. The client is unblocked and free to continue as soon as it has received the
 * entire response body. If and when the client makes a subsequent request using a pooled socket the
 * server may not have had time to close the socket. The socket will be closed at an indeterminate

      )

    val part = parts.nextPart()!!
    parts.close()

    assertFailsWith<IllegalStateException> {
      part.body.request(10)
    }.also { expected ->
      assertThat(expected).hasMessage("closed")
    }
  }

  @Test fun `cannot call nextPart after calling close`() {
    val parts =
      MultipartReader(
        boundary = "simple boundary",

    callback.await(server.url("/a")).assertFailure("Canceled", "Socket closed", "Socket is closed")
  }

  @Test
  fun cancelAll() {
    val call = client.newCall(Request(server.url("/")))
    call.enqueue(callback)
    client.dispatcher.cancelAll()
    callback.await(server.url("/")).assertFailure("Canceled", "Socket closed", "Socket is closed")
  }

  @Test
  fun cancelWhileRequestHeadersAreSent() {