Collection<E> collection, @Nullable Object mutex) {
    if (collection instanceof SortedSet) {
      return sortedSet((SortedSet<E>) collection, mutex);
    }
    if (collection instanceof Set) {
      return set((Set<E>) collection, mutex);
    }
    if (collection instanceof List) {
      return list((List<E>) collection, mutex);
    }
    return collection(collection, mutex);
  }

      Collection<E> collection, @Nullable Object mutex) {
    if (collection instanceof SortedSet) {
      return sortedSet((SortedSet<E>) collection, mutex);
    }
    if (collection instanceof Set) {
      return set((Set<E>) collection, mutex);
    }
    if (collection instanceof List) {
      return list((List<E>) collection, mutex);
    }
    return collection(collection, mutex);
  }

    Set<String> keySet = map.keySet();
    assertTrue(keySet instanceof SynchronizedSet);
    assertSame(mutex, ((SynchronizedSet<?>) keySet).mutex);
  }

  public void testValues() {
    Map<String, Integer> map = create();
    Collection<Integer> values = map.values();
    assertTrue(values instanceof SynchronizedCollection);
    assertSame(mutex, ((SynchronizedCollection<?>) values).mutex);
  }

   * the {@link Writer#nullWriter()} method returns a new instance whose methods throw after the
   * instance is {@link Writer#close() closed}.
   *
   * @since 15.0
   */
  public static Writer nullWriter() {
    return NullWriter.INSTANCE;
  }

  private static final class NullWriter extends Writer {

    private static final NullWriter INSTANCE = new NullWriter();

    @Override

    }
    // same value. below comes before above
    return Boolean.compare(this instanceof AboveValue, that instanceof AboveValue);
  }

  C endpoint() {
    return endpoint;
  }

  @SuppressWarnings("unchecked") // catching CCE
  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof Cut) {
      // It might not really be a Cut<C>, but we'll catch a CCE if it's not

            checkIndirectOutputContains(objectExpr, mce);
        }
    }

    private void checkOutputContains(MethodCallExpression call) {
        ASTNode receiver = call.getReceiver();
        if (receiver instanceof PropertyExpression) {
            if (((PropertyExpression) receiver).getPropertyAsString().equals("output")) {
                Expression objectExpr = ((PropertyExpression) receiver).getObjectExpression();

  }

  public static final class NullsBeforeB extends NullsBefore {
    public static final NullsBeforeB INSTANCE = new NullsBeforeB();

    private NullsBeforeB() {
      super("b");
    }
  }

  public static final class NullsBeforeTwo extends NullsBefore {
    public static final NullsBeforeTwo INSTANCE = new NullsBeforeTwo();

    private NullsBeforeTwo() {

                    Predicate<Exception> pluginArtifactNotFoundException = exc -> exc instanceof PluginManagerException
                            && exc.getCause() instanceof PluginResolutionException
                            && exc.getCause().getCause() instanceof ArtifactResolutionException
                            && exc.getCause().getCause().getCause() instanceof ArtifactNotFoundException;

  }

  @Override
  public boolean contains(@Nullable Object object) {
    return delegate.contains(object);
  }

  @Override
  public boolean containsAll(Collection<?> collection) {
    if (collection instanceof ImmutableEnumSet<?>) {
      collection = ((ImmutableEnumSet<?>) collection).delegate;
    }
    return delegate.containsAll(collection);
  }

  @Override
  public boolean isEmpty() {

        final CrawlerStatsHelper crawlerStatsHelper = ComponentUtil.getCrawlerStatsHelper();
        final StatsKeyObject keyObj = paramMap.get(Constants.CRAWLER_STATS_KEY) instanceof final StatsKeyObject sko ? sko : null;
        if (keyObj != null) {
            crawlerStatsHelper.runOnThread(keyObj);
        }
        final DataStoreParams localParams = paramMap.newInstance();