throw UnsupportedOperationException("unexpected call")
  }

  fun enqueueResponse(response: MockResponse) {
    delegate.enqueueResponse(response.wrap())
  }

  override fun shutdown() {
    delegate.shutdown()
  }

  fun setFailFast(failFast: Boolean) {
    delegate.setFailFast(failFast)
  }

  fun setFailFast(failFastResponse: MockResponse?) {
    delegate.setFailFast(failFastResponse?.wrap())
  }

  }

  open fun enqueueResponse(response: MockResponse) {
    responseQueue.add(response)
  }

  open fun clear() {
    responseQueue.clear()
  }

  override fun shutdown() {
    responseQueue.add(DEAD_LETTER)
  }

  open fun setFailFast(failFast: Boolean) {
    val failFastResponse =
      if (failFast) {
        MockResponse(code = HttpURLConnection.HTTP_NOT_FOUND)