*       com.google.common.base.Joiner#skipNulls}.
   * </ul>
   *
   * <p>Note that constructors taking a builder object cannot be tested effectively because
   * semantics of builder can be arbitrarily complex. Still, a factory class can be created in the
   * test to facilitate equality testing. For example:
   *
   * <pre>
   * public class FooTest {
   *
   *   private static final class FooFactoryForTest {

 * for better programmatic control when processing many files under
 * a common base. This is slightly different from the corresponding
 * <code>java.io.File</code> usage; a '/' at the beginning of the second
 * parameter will still use the server component of the first parameter. The
 * examples below illustrate the resulting URLs when this second constructor
 * argument is used.
 *
 * <table border="1">

        // condition efficiently without _introducing_ deadlock is probably
        // tricky. For now, just accept the race condition---missing a warning
        // now and then is still better than having no deadlock detection.
        allowedPriorLocks.put(acquiredLock, new ExampleStackTrace(acquiredLock, this));
      } else {
        // Unsafe acquisition order detected. Create and cache a

   * usually have much noticeable impact. A value of one permits only one thread to modify the cache
   * at a time, but since read operations and cache loading computations can proceed concurrently,
   * this still yields higher concurrency than full synchronization.
   *
   * <p>Defaults to 4. <b>Note:</b>The default may change in the future. If you care about this
   * value, you should always choose it explicitly.
   *

            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**
     * Destroys the IndexUpdater when the container is shutting down.
     * Stops all crawler instances if crawling is still in progress.
     */
    @PreDestroy
    public void destroy() {
        if (!finishCrawling) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping all crawlers.");
            }

* Restored the ability of kubectl running inside a pod to consume resource files specifying a different namespace than...

        Object element = entry.getElement();
        int entryCount = entry.getCount();
        if (entryCount != 0) {
          // Safe as long as we never add a new entry, which we won't.
          // (Presumably it can still throw CCE/NPE but only if the underlying Multiset does.)
          @SuppressWarnings({"unchecked", "nullness"})
          Multiset<@Nullable Object> multiset = (Multiset<@Nullable Object>) multiset();

   */
  /*
   * By declaring <T> instead of <T extends @Nullable Object>, we declare this method as requiring a
   * stream whose elements are non-null. However, the method goes out of its way to still handle
   * nulls in the stream. This means that the method can safely be used with a stream that contains
   * nulls as long as the *last* element is *not* null.
   *

        Object element = entry.getElement();
        int entryCount = entry.getCount();
        if (entryCount != 0) {
          // Safe as long as we never add a new entry, which we won't.
          // (Presumably it can still throw CCE/NPE but only if the underlying Multiset does.)
          @SuppressWarnings({"unchecked", "nullness"})
          Multiset<@Nullable Object> multiset = (Multiset<@Nullable Object>) multiset();

                executePlan();
            }
        }

        private void executePlan() {
            // Even if the build is halted, we still want to execute TEARDOWN and after:* steps
            // for proper cleanup, so we don't return early here
            Clock global = getClock(GLOBAL);
            global.start();
            lock.readLock().lock();