@Volatile private var canceled = false

  fun connect(callFactory: Call.Factory) {
    call =
      callFactory.newCall(request).apply {
        enqueue(this@RealEventSource)
      }
  }

  override fun onResponse(
    call: Call,
    response: Response,
  ) {
    processResponse(response)
  }

  fun processResponse(response: Response) {
    response.use {
      if (!response.isSuccessful) {

      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          println("failed: $e")
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          println("response: ${response.code}")
          response.close()
        }
      },
    )
  }

      object : Callback {
        override fun onFailure(
          call: Call,
          e: okio.IOException,
        ) {
          callFailure.complete(e)
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
        }
      },
    )

    // This should fail the Call, but not cause an unhandled Exception bubbling up

      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          promise.completeExceptionally(e)
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          promise.complete(response)
        }
      },
    )

    val response = promise.get(4, SECONDS)

        } else {
            builder.setQuery(functionScoreQuery);
        }

        builder.execute(new ActionListener<SearchResponse>() {
            @Override
            public void onResponse(final SearchResponse searchResponse) {
                if (searchResponse.getFailedShards() > 0) {
                    deferred.reject(new SuggesterException("Search failure. Failed shards num:" + searchResponse.getFailedShards()));

      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          latch.countDown()
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          fail("")
        }
      },
    )
    assertThat(server.takeRequest().exchangeIndex)

      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          completionLatch.countDown()
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          response.close()
          completionLatch.countDown()
        }
      }
    call.enqueue(callback)

      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          fail("")
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ): Unit = throw IOException("a")
      },
    )
    assertThat(testLogHandler.take())

        .header("Sec-WebSocket-Extensions", "permessage-deflate")
        .build()
    call = RealCall(webSocketClient, request, forWebSocket = true)
    call!!.enqueue(
      object : Callback {
        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          val socket =
            try {
              checkUpgradeSuccess(response)
            } catch (e: IOException) {

  @Test
  fun callback() {
    val callback =
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) = TODO()

        override fun onResponse(
          call: Call,
          response: Response,
        ) = TODO()
      }
  }

  @Test
  fun certificatePinner() {
    val heldCertificate: HeldCertificate = HeldCertificate.Builder().build()