* should be used specifically for [java.io.Closeable] objects and in conjunction with
   * [logCloseableLeak].
   */
  open fun getStackTraceForCloseable(closer: String): Any? =
    when {
      logger.isLoggable(Level.FINE) -> Throwable(closer)

      // These are expensive to allocate.
      else -> null
    }

  open fun logCloseableLeak(

    client.dispatcher.enqueue(AsyncCall(responseCallback))
  }

  override fun isExecuted(): Boolean = executed.get()

  private fun callStart() {
    this.callStackTrace = Platform.get().getStackTraceForCloseable("response.body().close()")
    eventListener.callStart(this)
  }

  @Throws(IOException::class)
  internal fun getResponseWithInterceptorChain(): Response {
    // Build a full stack of interceptors.