*/
    @SuppressWarnings("GoodTime") // should accept a java.time.Duration
    public static Scheduler newFixedDelaySchedule(
        final long initialDelay, final long delay, final TimeUnit unit) {
      checkNotNull(unit);
      checkArgument(delay > 0, "delay must be > 0, found %s", delay);
      return new Scheduler() {
        @Override
        public Cancellable schedule(

   */
  public static CharMatcher inRange(final char startInclusive, final char endInclusive) {
    return new InRange(startInclusive, endInclusive);
  }

  /**
   * Returns a matcher with identical behavior to the given {@link Character}-based predicate, but
   * which operates on primitive {@code char} instances instead.
   */
  public static CharMatcher forPredicate(final Predicate<? super Character> predicate) {

     */
    public static String toZipFilePath(final URL zipUrl) {
        assertArgumentNotNull("zipUrl", zipUrl);

        final String urlString = zipUrl.getPath();
        final int pos = urlString.lastIndexOf('!');
        final String zipFilePath = urlString.substring(0, pos);
        final File zipFile = new File(URLUtil.decode(zipFilePath, "UTF8"));
        return FileUtil.getCanonicalPath(zipFile);
    }

    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        // nothing
    }

    @Override
    public void destroy() {
        // nothing
    }

    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

public class PurgeDocJob {

    private static final Logger logger = LogManager.getLogger(PurgeDocJob.class);

    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final StringBuilder resultBuf = new StringBuilder();

        // clean up

  @ParametricNullness final K key;
  @ParametricNullness final V value;

  ImmutableEntry(@ParametricNullness K key, @ParametricNullness V value) {
    this.key = key;
    this.value = value;
  }

  @Override
  @ParametricNullness
  public final K getKey() {
    return key;
  }

  @Override
  @ParametricNullness
  public final V getValue() {
    return value;
  }

public class HcConnectionMonitorTarget implements TimeoutTarget {
    private static final Logger logger = LoggerFactory.getLogger(HcConnectionMonitorTarget.class);

    private final HttpClientConnectionManager clientConnectionManager;

    private final long idleConnectionTimeout;

    public HcConnectionMonitorTarget(final HttpClientConnectionManager clientConnectionManager, final long idleConnectionTimeout) {

    };
  }

  private static final class LongHolder {
    long count;
  }

  private static final int ITERATION_COUNT = 50_000;
  private static final int DIRECT_EXECUTIONS_PER_THREAD = 100;

  @J2ktIncompatible
  @GwtIncompatible // threads
  public void testAvoidsStackOverflow_multipleThreads() throws Exception {
    final LongHolder holder = new LongHolder();

    final CountDownLatch getStartedSignal = new CountDownLatch(2);
    final CountDownLatch letGetFinishSignal = new CountDownLatch(1);
    final CountDownLatch getFinishedSignal = new CountDownLatch(2);
    final String getKey = "get";
    final String refreshKey = "refresh";
    final String suffix = "Suffix";

    CacheLoader<String, String> computeFunction =

  /** Buffer via which we pass data to the hash algorithm (the implementor) */
  private final ByteBuffer buffer;

  /** Number of bytes to be filled before process() invocation(s). */
  private final int bufferSize;

  /** Number of bytes processed per process() invocation. */
  private final int chunkSize;

  /**
   * Constructor for use by subclasses. This hasher instance will process chunks of the specified