labelIndex,
          )
        if (rule != null) {
          exception = rule
          break
        }
      }
    }

    if (exception != null) {
      // Signal we've identified an exception rule.
      exception = "!$exception"
      return exception.split('.')
    } else if (exactMatch == null && wildcardMatch == null) {
      return PREVAILING_RULE
    }

    webSocket.initReaderAndWriter(name, streams)
    try {
      webSocket.loopReader(fancyResponse)

      // Even if messages are no longer being read we need to wait for the connection close signal.
      connectionClose.await()
    } finally {
      source.closeQuietly()
    }
  }

  @Throws(IOException::class)
  private fun writeHttpResponse(
    socket: Socket,
    sink: BufferedSink,

  fun writeRequestHeaders(request: Request)

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

  /** Flush the request to the underlying socket and signal no more bytes will be transmitted. */
  @Throws(IOException::class)
  fun finishRequest()

  /**
   * Parses bytes of a response header from an HTTP transport.
   *

      } else {
        sslSocket.enabledProtocols
      }

    // In accordance with https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00 the SCSV
    // cipher is added to signal that a protocol fallback has taken place.
    val supportedCipherSuites = sslSocket.supportedCipherSuites
    val indexOfFallbackScsv =
      supportedCipherSuites.indexOf(
        "TLS_FALLBACK_SCSV",

 * responses coming back in. Typically interceptors add, remove, or transform headers on the request
 * or response.
 *
 * Implementations of this interface throw [IOException] to signal connectivity failures. This
 * includes both natural exceptions such as unreachable servers, as well as synthetic exceptions
 * when responses are of an unexpected type or cannot be decoded.
 *

          signalledCallback = true
          responseCallback.onResponse(this@RealCall, response)
        } catch (e: IOException) {
          if (signalledCallback) {
            // Do not signal the callback twice!
            Platform.get().log("Callback failure for ${toLoggableString()}", Platform.INFO, e)
          } else {
            responseCallback.onFailure(this@RealCall, e)
          }

        SynchronousQueue(),
        threadFactory,
      )

    override fun nanoTime() = System.nanoTime()

    override fun coordinatorNotify(taskRunner: TaskRunner) {
      taskRunner.condition.signal()
    }

    /**
     * Wait a duration in nanoseconds. Unlike [java.lang.Object.wait] this interprets 0 as
     * "don't wait" instead of "wait forever".
     */
    @Throws(InterruptedException::class)

 *  New: HPACK compression is now dynamic. This should improve performance when
    transmitting request headers over HTTP/2.
 *  New: `Dispatcher.setIdleCallback()` can be used to signal when there are no
    calls in flight. This is useful for [testing with
    Espresso][okhttp_idling_resource].
 *  New: Upgrade to Okio 1.9.0.

     ```xml
     <dependency>

      }
    }

    return isRunning
  }

  /** Used by [Call.execute] to signal it is in-flight. */
  internal fun executed(call: RealCall) =
    this.withLock {
      runningSyncCalls.add(call)
    }

  /** Used by [AsyncCall.run] to signal completion. */
  internal fun finished(call: AsyncCall) {
    call.callsPerHost.decrementAndGet()

The alpha releases in the 5.0.0 series have production-quality code and an unstable API. We expect
to make changes to the APIs introduced in 5.0.0-alpha.X. These releases are safe for production use
and 'alpha' strictly signals that we're still experimenting with some new APIs. If you're eager for
the fixes or features below, please upgrade.

 *  New: Named and default parameters constructor for `Request`:

    ```