NullPointerException.class, () -> ImmutableMultiset.copyOf((Iterator<String>) iterator));
  }

  private static class CountingIterable implements Iterable<String> {
    int count = 0;

    @Override
    public Iterator<String> iterator() {
      count++;
      return asList("a", "b", "a").iterator();
    }
  }

  public void testCopyOf_plainIterable() {
    CountingIterable iterable = new CountingIterable();

   * Returns the number of {@code values} that are {@code true}.
   *
   * @since 16.0
   */
  public static int countTrue(boolean... values) {
    int count = 0;
    for (boolean value : values) {
      if (value) {
        count++;
      }
    }
    return count;
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code

	peerLocks := globalNotificationSys.GetLocks(ctx, r)

	topLocks := topLockEntries(peerLocks, stale)

	// Marshal API response upto requested count.
	if len(topLocks) > count && count > 0 {
		topLocks = topLocks[:count]
	}

	jsonBytes, err := json.Marshal(topLocks)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

indexer.unprocessed.document.size=1000
# Whether to enable click count tracking in the indexer.
indexer.click.count.enabled=true
# Whether to enable favorite count tracking in the indexer.
indexer.favorite.count.enabled=true
# Commit margin time (ms) for webfs in the indexer.
indexer.webfs.commit.margin.time=5000
# Maximum number of empty lists for webfs in the indexer.
indexer.webfs.max.empty.list.count=3600
# Update interval (ms) for webfs in the indexer.

    }

    @Test
    public void test_addEventHandler_multipleHandlers() {
        final AtomicInteger count = new AtomicInteger(0);
        coordinatorHelper.addEventHandler("config_updated", event -> count.incrementAndGet());
        coordinatorHelper.addEventHandler("config_updated", event -> count.incrementAndGet());

        final EventInfo event = new EventInfo();
        event.name = "config_updated";

        return "Mem:{used " + byteCountToDisplaySize(usedBytes) + ", heap " + byteCountToDisplaySize(totalBytes) + ", max "
                + byteCountToDisplaySize(maxBytes) + "}";
    }

    /**
     * Converts byte count to human-readable size format.
     *
     * @param size the size in bytes
     * @return formatted size string
     */
    public static String byteCountToDisplaySize(final long size) {

      return Multisets.linearTimeSizeImpl(this);
    }

    @Override
    public void clear() {
      throw new UnsupportedOperationException();
    }

    @Override
    public int count(@Nullable Object element) {
      for (Entry<E> entry : entrySet()) {
        if (Objects.equals(entry.getElement(), element)) {
          return entry.getCount();
        }
      }
      return 0;
    }

    @Override
    public boolean remove(@Nullable Object key) {
      int count = 0;
      Collection<V> collection = map().remove(key);
      if (collection != null) {
        count = collection.size();
        collection.clear();
        totalSize -= count;
      }
      return count > 0;
    }

    @Override
    public void clear() {
      Iterators.clear(iterator());
    }

 *
 * <ul>
 *   <li><b>Total nodes:</b> 65535 (16-bit index in the trie)
 *   <li><b>String pool size:</b> 65535 characters (16-bit offset in the String Pool)
 *   <li><b>Max children per node:</b> 2047 (11-bit count in the bitfield)
 * </ul>
 *
 * <p>As of Jan 2026, the capacity usage is approximately:
 *
 * <ul>
 *   <li>Total nodes: ~16% (10k / 65k)
 *   <li>String pool size: ~79% (52k / 65k)

                : this.transportContext.getConfig().getWinsServers()[this.nbnsIndex];
    }

    static class Sem {

        Sem(final int count) {
            this.count = count;
        }

        int count;
    }

    static class QueryThread extends Thread {

        private final Sem sem;
        private final String host, scope;
        private final int type;