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,

          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)
          }

      }
    }

    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`:

    ```