ComponentUtil.register(crawler, Crawler.class.getCanonicalName());
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        // Clear static fields
        clearStaticFields();
    }

    private void clearStaticFields() throws Exception {
        Field runningField = Crawler.class.getDeclaredField("running");
        runningField.setAccessible(true);

     * @param listener the response listener
     * @throws UnsupportedOperationException always thrown as this operation is not implemented
     */
    @Override
    public void searchView(org.opensearch.action.admin.indices.view.SearchViewAction.Request request,
            ActionListener<SearchResponse> listener) {
        throw new UnsupportedOperationException("Not implemented yet");
    }

    /**

    }
  }

  @Throws(IOException::class)
  fun flush() {
    withLock {
      if (closed) throw IOException("closed")
      sink.flush()
    }
  }

  @Throws(IOException::class)
  fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    withLock {
      if (closed) throw IOException("closed")
      require(errorCode.httpCode != -1)

  }

  /** Returns a plan for the first attempt at [route]. This throws if no plan is possible. */
  @Throws(IOException::class)
  internal fun planConnectToRoute(
    route: Route,
    routes: List<Route>? = null,
  ): ConnectPlan {
    if (route.address.sslSocketFactory == null) {
      if (ConnectionSpec.CLEARTEXT !in route.address.connectionSpecs) {
        throw UnknownServiceException("CLEARTEXT communication not enabled for client")

      };
    }

    @Override
    protected void run() throws Exception {}
  }

  public void testStopWhileStarting_runNotCalled() throws Exception {
    CountDownLatch started = new CountDownLatch(1);
    FakeService service =
        new FakeService() {
          @Override
          protected void startUp() throws Exception {
            super.startUp();
            started.await();
          }

  @DoNotCall("Always throws UnsupportedOperationException")
  public final void putCoalescing(Range<K> range, V value) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the {@code RangeMap} unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override

    assertNull(tester.instantiate(Runnable.class));
  }

  public void testInstantiate_abstractClass() throws Exception {
    assertNull(tester.instantiate(AbstractList.class));
  }

  public void testInstantiate_annotation() throws Exception {
    assertNull(tester.instantiate(MyAnnotation.class));
  }

  public void testInstantiate_setDefault() throws Exception {

    private IntervalControlHelper intervalControlHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        intervalControlHelper = new IntervalControlHelper();
    }

    public void test_noRule() {
        assertEquals(0, intervalControlHelper.getDelay());
    }

    public void test_0000() throws ParseException {
        final IntervalControlHelper intervalControlHelper = createHelper("00:00", 1);

   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final boolean removeIf(Predicate<? super E> filter) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the collection unmodified.
   *

    return new Callable<T>() {
      @Override
      public T call() throws Exception {
        throw exception;
      }
    };
  }

  private static Runnable runnableThrowing(RuntimeException e) {
    return new Runnable() {
      @Override
      public void run() {
        throw e;
      }
    };
  }

  @SuppressWarnings("serial")