@Test
  fun testHttp2() {
    val client = HttpAsyncClients.createHttp2Default()

    client.use { client ->
      client.start()
      val request = SimpleHttpRequests.get("https://google.com/robots.txt")
      val response = client.execute(request, LoggingCallback).get()

      println("Protocol ${response.version}")
      println("Response ${response.code}")
      println("${response.body.bodyText.substring(0, 20)}...")

    List<Range<C>> asRanges = ImmutableList.copyOf(rangeSet.asRanges());

    // test that connected ranges are coalesced
    for (int i = 0; i + 1 < asRanges.size(); i++) {
      Range<C> range1 = asRanges.get(i);
      Range<C> range2 = asRanges.get(i + 1);
      assertFalse(range1.isConnected(range2));
    }

    // test that there are no empty ranges
    for (Range<C> range : asRanges) {
      assertFalse(range.isEmpty());
    }

    return delegateList.internalArrayStart();
  }

  @Override
  int internalArrayEnd() {
    return delegateList.internalArrayEnd();
  }

  @Override
  public E get(int index) {
    return delegateList.get(index);
  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible
  @GwtIncompatible
    Object writeReplace() {

    return map.keySpliterator();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    return map.containsKey(object);
  }

  @Override
  K get(int index) {
    return map.entrySet().asList().get(index).getKey();
  }

  @Override
  public void forEach(Consumer<? super K> action) {
    checkNotNull(action);
    map.forEach((k, v) -> action.accept(k));
  }

  @Override

        Map pluginMap = project1.getBuild().getPluginsAsMap();
        Plugin compilerPlugin = (Plugin) pluginMap.get("org.apache.maven.plugins:maven-compiler-plugin");

        assertNotNull(compilerPlugin);

        Map executionMap = compilerPlugin.getExecutionsAsMap();
        assertNull(
                executionMap.get("test"),

        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Object val, boolean def) {
        if (val instanceof Boolean bool) {

| :---------------------------------- | :------------------------------ |
| Handshake.get(SSLSession)           | SSLSession.handshake()          |
| Headers.of(Map<String, String>)     | Map<String, String>.toHeaders() |
| HttpUrl.get(String)                 | String.toHttpUrl()              |
| HttpUrl.get(URI)                    | URI.toHttpUrlOrNull()           |
| HttpUrl.get(URL)                    | URL.toHttpUrlOrNull()           |

        client.setCrawlerClient(testClient);
        client.setRequestListener(testListener);
        final String url = "http://test.com/";
        final ResponseData response = client.execute(RequestDataBuilder.newRequestData().get().url(url).build());
        assertEquals(1, testListener.startCount);
        assertEquals(1, testListener.requestCount);
        assertEquals(0, testListener.exceptionCount);
        assertEquals(1, testListener.endCount);

    }

    /**
     * Get key rotation metrics
     *
     * @return metrics map containing rotation statistics
     */
    public java.util.Map<String, Long> getKeyRotationMetrics() {
        java.util.Map<String, Long> metrics = new java.util.HashMap<>();
        metrics.put("totalRotations", totalKeyRotations.get());
        metrics.put("lastRotationTime", lastKeyRotationTime.get());

      return array;
    }
    Method emptyGenerate = EMPTY_GENERATORS.get(rawType);
    if (emptyGenerate != null) {
      if (emptyInstanceGenerated.containsKey(type.getType())) {
        // empty instance already generated
        if (emptyInstanceGenerated.get(type.getType()).intValue() == freshness.get()) {
          // same freshness, generate again.
          return invokeGeneratorMethod(emptyGenerate);