* of {@link CombinedFuture}, the user-supplied callback usually has its own references to inputs.
   */
  /*
   * In certain circumstances, this field might theoretically not be visible to an afterDone() call
   * triggered by cancel(). For details, see the comments on the fields of TimeoutFuture.
   */
  @LazyInit
  private @Nullable ImmutableCollection<? extends ListenableFuture<? extends InputT>> futures;

   * {@code getUnchecked}, and threads with an odd index will call {@code get}. If the cache throws
   * exceptions, this difference may be visible in the returned List.
   */
  @SuppressWarnings("ThreadPriorityCheck") // TODO: b/175898629 - Consider onSpinWait.
  private static <K> List<Object> doConcurrentGet(

 * a lot of busy work, and the annotation matters only when the APIs to be annotated are visible to
 * Kotlin code. In this class, nothing is publicly visible (nor exposed indirectly through a
 * publicly visible subclass), and I doubt any of our current or future Kotlin extensions for the
 * package will refer to the class. Plus, @ParametricNullness is only a temporary workaround,

   *       directly during deserialization. However, we would lose Java's guarantees for {@code
   *       final} fields, including that their values are guaranteed to be visible even when an
   *       instance is unsafely published.
   * </ul>
   */
  private transient @Nullable ConcurrentHashMultiset<E> deserializationReplacement;

  /**

        }
    }

    /**
     * Test that volatile fields ensure visibility across threads.
     * Verify that changes to lastLoadedTime are visible to all threads.
     */
    @Test
    public void test_volatileFields_visibility() throws Exception {
        final DataStoreFactory testFactory = new DataStoreFactory() {
            @Override

           * fails the `ScheduledFuture`, which might be visible only to users who operate directly
           * on the delegate executor's queue.
           *
           * (Users who try to operate directly on the `ScheduledFuture` may have additional
           * problems. For example, if they cancel that `Future`, it won't cancel the user-visible
           * `ListenableScheduledTask`. This is essentially the same problem as the

 * a lot of busy work, and the annotation matters only when the APIs to be annotated are visible to
 * Kotlin code. In this class, nothing is publicly visible (nor exposed indirectly through a
 * publicly visible subclass), and I doubt any of our current or future Kotlin extensions for the
 * package will refer to the class. Plus, @ParametricNullness is only a temporary workaround,

    // null only for TOMBSTONE
    final @Nullable Runnable task;
    // null only for TOMBSTONE
    final @Nullable Executor executor;

    // writes to next are made visible by subsequent CAS's on the listeners field
    @Nullable Listener next;

    Listener(Runnable task, Executor executor) {
      this.task = task;
      this.executor = executor;
    }

    Listener() {

c.val()||""}return!1},validateInput:function(b,c,d,e,f){d=d||a.formUtils.defaultConfig(),c=c||a.formUtils.LANG,e.length||(e=b.parent());var g=this.getValue(b);b.valAttr("skipped",!1).one("beforeValidation",function(){(b.attr("disabled")||!b.is(":visible")&&!d.validateHiddenInputs)&&b.valAttr("skipped",1)}).trigger("beforeValidation",[g,c,d]);var h="true"===b.valAttr("optional"),i=!g&&h,j=b.attr(d.validationRuleAttribute),k=!0,l="",m={isValid:!0,shouldChangeDisplay:!0,errorMsg:""};if(!j||i||b.val...

            logger.debug("Deleted {} stale documents.", numOfDeleted);
        }
        return numOfDeleted;
    }

    /**
     * Refreshes the specified index to make recent changes visible for search.
     * This operation ensures that all pending writes are persisted and searchable.
     *
     * @param searchEngineClient the search engine client to use for refresh
     * @param index the index name to refresh