}

  /**
   * Returns a predicate that evaluates to {@code true} if the object reference being tested is
   * null.
   *
   * <p><b>Discouraged:</b> Prefer using either {@code x -> x == null} or {@code Objects::isNull},
   * but note that lambdas and method references do not have human-readable {@link #toString()}
   * representations and are not serializable.
   */

 *           .thenComparing(foo -> foo.anEnum, nullsLast(naturalOrder()));
 *
 *   @Override
 *   public int compareTo(Foo that) {
 *     return COMPARATOR.compare(this, that);
 *   }
 * }
 *
 * <p>With method references it is more succinct: {@code comparing(Foo::aString)} for example.
 *
 * <p>Using {@link Comparator} avoids certain types of bugs, for example when you meant to write

        try {
            synchronized (this) {
                // Force close the handle
                this.open = false;
                this.usageCount.set(0);

                // Clear mutable references to free memory
                // Note: Some fields may be final and cannot be nulled

                // Clear any other mutable state would go here
            }
        } catch (Exception e) {

                        links = new CacheEntry(0L);

                        DfsReferral tmp = dr;
                        do {
                            if (path == null) {
                                /* Store references to the map and key so that
                                 * SmbFile.resolveDfs can re-insert the dr list with
                                 * the dr that was successful so that subsequent

    return Platform.emptyToNull(string);
  }

  /**
   * Returns {@code true} if the given string is null or is the empty string.
   *
   * <p>Consider normalizing your string references with {@link #nullToEmpty}. If you do, you can
   * use {@link String#isEmpty()} instead of this method, and you won't need special null-safe forms

        msg.addSource(new ChatSource(1, doc));

        final String result = chatClient.testBuildAssistantHistoryContent(msg, "source_titles_and_urls", 500, 500);
        assertEquals("[References: Install Guide (http://example.com/install)]", result);
    }

    @Test
    public void test_buildAssistantHistoryContent_truncated() {

    static final FinalizableReferenceQueue referenceQueue = new FinalizableReferenceQueue();
    static final Set<FinalizableReference> references = newConcurrentHashSet();

    static void register(ClosingFuture<?> future) {
      references.add(new FinalizableReference(future));
    }

    final State<?> state;

    FinalizableReference(ClosingFuture<?> referent) {

    return warmUp(cache, WARMUP_MIN, WARMUP_MAX);
  }

  /**
   * Returns the entries that were added to the map, so they won't fall out of a map with weak or
   * soft references until the caller drops the reference to the returned entries.
   */
  private List<Entry<Object, Object>> warmUp(
      LoadingCache<Object, Object> cache, int minimum, int maximum) {

        if (normalized.length() > 1 && normalized.endsWith("\\")) {
            normalized = normalized.substring(0, normalized.length() - 1);
        }

        // Handle current directory references
        normalized = normalized.replace("\\.", "");
        normalized = normalized.replace(".\\", "");

        return normalized;
    }

    /**
     * Validate UNC path
     */

        document.body().html(rewritten);
    }

    private void handleVideos(Document document) {
        String rewritten = document.body().html();

        // Replace YouTube references by embedded videos, ?si= attribute is a must
        // E.g. @youtube(Summary,UN0AFCLASZA?si=9aG5tDzj6nL1_IKT&start=371)@ => https://www.youtube.com/embed/UN0AFCLASZA?si=9aG5tDzj6nL1_IKT&start=371"