*/
  private static final ClassLoader NO_VAR_HANDLE =
      getClassLoader(ImmutableSet.of("java.lang.invoke.VarHandle"));

  /**
   * This classloader disallows {@link java.lang.invoke.VarHandle} and {@link sun.misc.Unsafe},
   * which will prevent us from selecting the {@code UnsafeAtomicHelper} strategy.
   */
  private static final ClassLoader NO_UNSAFE =

     * @param file The FTP file object, or null if not found
     */
    protected void updateResponseData(final String uri, final boolean includeContent, final ResponseData responseData,
            final FTPClient client, final FtpInfo ftpInfo, final FTPFile file) {
        if (file == null) {
            responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);

      URL url = Resources.getResource(tempFile.getName());
      String text = Resources.toString(url, UTF_8);
      assertThat(text).isEqualTo("rud a chur ar an méar fhada" + System.lineSeparator());
    } finally {
      Thread.currentThread().setContextClassLoader(oldContextLoader);
    }
  }

  public void testGetResource_contextClassLoaderNull() {

     */
    protected long deleteOldDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final List<String> docIdList = new ArrayList<>();
        for (final Map<String, Object> inputDoc : docList) {
            final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());

    public static final String SCOPE_COMPILE = DependencyScope.COMPILE.id();
    public static final String SCOPE_RUNTIME = DependencyScope.RUNTIME.id();
    public static final String SCOPE_TEST_ONLY = DependencyScope.TEST_ONLY.id();
    public static final String SCOPE_TEST = DependencyScope.TEST.id();

    private final List<LifecycleProvider> providers;

    public DefaultLifecycleRegistry() {

   * started execution. It is unclear from the {@code ExecutorService} specification if these should
   * be included, and it's much easier to implement the interpretation that they not be. Finally, a
   * call to {@code shutdown} or {@code shutdownNow} may result in concurrent calls to {@code
   * invokeAll/invokeAny} throwing RejectedExecutionException, although a subset of the tasks may
   * already have been executed.

          int splitCharacteristics,
          long estSplitSize);
    }

    @Weak @Nullable OutSpliteratorT prefix;
    final Spliterator<InElementT> from;
    final Function<? super InElementT, @Nullable OutSpliteratorT> function;
    final Factory<InElementT, OutSpliteratorT> factory;
    int characteristics;
    long estimatedSize;

    FlatMapSpliterator(

      // might be relying on this particular type of exception?
      throw new IllegalStateException();
    }
    try {
      return iterator;
    } finally {
      iterator = null;
    }
  }

        try {
            final int numThreads = 10;
            final int attemptsPerThread = 5;

            Thread[] threads = new Thread[numThreads];
            final AtomicInteger successfulThreads = new AtomicInteger(0);
            final AtomicInteger blockedAttempts = new AtomicInteger(0);
            final AtomicInteger exceptionCount = new AtomicInteger(0);

     */
    @Override
    protected void storeChildUrl(final String childUrl, final String parentUrl, final float weight, final int depth) {
        if (StringUtil.isNotBlank(childUrl)) {
            final DuplicateHostHelper duplicateHostHelper = ComponentUtil.getDuplicateHostHelper();
            final String url = duplicateHostHelper.convert(childUrl);