// operations, such as bitrot verification or data usage scanning.
// Every 10 seconds a space character is sent.
// keepHTTPReqResponseAlive will wait for the returned body to be read before starting the ticker.
// The returned function should always be called to release resources.
// An optional error can be sent which will be picked as text only error,
// without its original type by the receiver.

    public void run() {
        if (dataService == null) {
            throw new FessSystemException("DataService is null.");
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Starting indexUpdater.");
        }

        executeTime = 0;
        documentSize = 0;

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

   *     static
   */
  private void testParameter(
      @Nullable Object instance, Invokable<?, ?> invokable, int paramIndex, Class<?> testedClass) {
    /*
     * com.google.common is starting to rely on type-use annotations, which aren't visible under
     * Android VMs and in open-source guava-android. So we skip testing there.
     */
    if (Reflection.getPackageName(testedClass).startsWith("com.google.common")) {

     * @return exit code (Constants.EXIT_OK for success, Constants.EXIT_FAIL for failure)
     */
    public int doCrawl(final Options options) {
        if (logger.isInfoEnabled()) {
            logger.info("Starting Crawler..");
        }

        final PathMappingHelper pathMappingHelper = ComponentUtil.getPathMappingHelper();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

     */
    int getMaxRequestRetries();

    /**
     * Property {@code jcifs.smb.client.strictResourceLifecycle} (bool, default false)
     *
     * If enabled, SmbFile instances starting with their first use will hold a reference to their tree.
     * This means that trees/sessions/connections won't be idle-disconnected even if there are no other active
     * references (currently executing code, file descriptors).

 *   }
 *
 *   protected Scheduler scheduler() {
 *     return Scheduler.newFixedRateSchedule(0, 1, TimeUnit.SECONDS);
 *   }
 * }
 * }
 *
 * <p>This class uses the life cycle methods to read in a list of starting URIs and save the set of
 * outstanding URIs when shutting down. Also, it takes advantage of the scheduling functionality to
 * rate limit the number of queries we perform.
 *
 * @author Luke Sandberg
 * @since 11.0

      this.key = key;
      KeyList<K, V> keyList = keyToKeyList.get(key);
      next = (keyList == null) ? null : keyList.head;
    }

    /**
     * Constructs a new iterator over all values for the specified key starting at the specified
     * index. This constructor is optimized so that it starts at either the head or the tail,
     * depending on which is closer to the specified index. This allows adds to the tail to be done

                if (attrNode != null) {
                    String attrValue = attrNode.getNodeValue();
                    if (StringUtil.isNotBlank(attrValue)) {
                        // if starting with www, append a protocol
                        if (attrValue.startsWith("www.")) {
                            attrValue = "http://" + attrValue;
                        }
                        return attrValue;

  * OOM parser uses kmsg
  * Add hugepages support
  * Add CRI-O support

* Sharing a PID namespace between containers in a pod is disabled by default in version 1.8. To enable for a node, use the `--docker-disable-shared-pid=false` kubelet flag. Be aware that PID namespace sharing requires Docker version greater than or equal to 1.13.1.

* Fix issues related to the eviction manager.

 * </ul>
 *
 * <p>Several lesser-used features are currently available only as static methods on the {@link
 * Iterables} class.
 *
 * <p><a id="streams"></a>
 *
 * <h3>Comparison to streams</h3>
 *
 * <p>Starting with Java 8, the core Java class libraries provide a new "Streams" library (in {@code
 * java.util.stream}), which is similar to {@code FluentIterable} but generally more powerful. Key
 * differences include:
 *
 * <ul>