mockResponse = mockResponse.setHeadersDelay(0L, TimeUnit.SECONDS)
    val headersDelay: Long = mockResponse.getHeadersDelay(TimeUnit.SECONDS)
    mockResponse = mockResponse.withPush(PushPromise("", "", headersOf(), MockResponse()))
    var pushPromises: List<PushPromise> = mockResponse.pushPromises
    pushPromises = mockResponse.pushPromises
    mockResponse = mockResponse.withSettings(Settings())

    unit: TimeUnit,
  ) = apply {
    headersDelayAmount = delay
    headersDelayUnit = unit
  }

  fun getHeadersDelay(unit: TimeUnit): Long = unit.convert(headersDelayAmount, headersDelayUnit)

  fun withPush(promise: PushPromise) =
    apply {
      promises.add(promise)
    }

  fun withSettings(settings: Settings) =
    apply {
      this.settings = settings
    }