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
    }

    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())

	public final fun throttleBody (JJLjava/util/concurrent/TimeUnit;)Lokhttp3/mockwebserver/MockResponse;
	public fun toString ()Ljava/lang/String;
	public final fun trailers (Lokhttp3/Headers;)V
	public final fun withPush (Lokhttp3/mockwebserver/PushPromise;)Lokhttp3/mockwebserver/MockResponse;
	public final fun withSettings (Lokhttp3/internal/http2/Settings;)Lokhttp3/mockwebserver/MockResponse;

    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())

			}
		})
	}
}

func TestImageFetcher_Fetch(t *testing.T) {
	// Fetcher with anonymous auth.
	fetcher := ImageFetcher{fetchOpts: []remote.Option{remote.WithAuth(authn.Anonymous)}}

	// Set up a fake registry.
	s := httptest.NewServer(registry.New())
	defer s.Close()
	u, err := url.Parse(s.URL)
	if err != nil {
		t.Fatal(err)
	}