*
   * @throws NullPointerException if the last element is null; if this is a possibility, use {@link
   *     Iterables#getLast} instead.
   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.
  public final Optional<@NonNull E> last() {
    // Iterables#getLast was inlined here so we don't have to throw/catch a NSEE

    // TODO(kevinb): Support a concurrently modified collection?

        body.dictId = dictId;
        validateApi(body, messages -> {});
        return synonymService.getSynonymFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

            File file = artifact.getFile();
            this.artifact = ArtifactUtils.copyArtifact(artifact);
            if ("pom".equals(artifact.getType()) && file != null) {
                pomHash = file.getPath().hashCode() + file.lastModified();
            } else {
                pomHash = 0;
            }
            this.resolveManagedVersions = resolveManagedVersions;
            this.repositories.add(localRepository);

        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return KUROMOJI;
    }

    @Override
    public String getPath() {
        return path;
    }

    @Override
    public synchronized OptionalEntity<KuromojiItem> get(final long id) {
        if (kuromojiItemList == null) {
            reload(null);
        }

// Java 21 Sequenced Collections support
SequencedCollection<String> sequenced = CollectionsUtil.newLinkedHashSet();
String first = CollectionsUtil.getFirst(sequenced);
String last = CollectionsUtil.getLast(sequenced);
SequencedCollection<String> reversed = CollectionsUtil.reversed(sequenced);

// Specialized collections
LruHashMap<String, Object> lruCache = new LruHashMap<>(100); // LRU cache with max 100 entries

     * @return an Optional containing the path to the built artifact if available,
     *         or empty if the artifact hasn't been built yet
     */
    @Nonnull
    Optional<Path> getPath(@Nonnull Project project);

    /**
     * Returns an immutable collection of attached artifacts for the given project.
     * Attached artifacts are secondary artifacts produced during the build (e.g., sources jar,

            if (!isValidHost(host)) {
                throw new SmbException("Invalid host in SMB URL");
            }

            // Validate path component
            String path = url.getPath();
            if (path != null && !path.isEmpty()) {
                validatePath(path);
            }

            // Reconstruct normalized URL
            StringBuilder normalized = new StringBuilder("smb://");

            }

            if (!"ftp".equals(uri.getScheme())) {
                throw new CrawlingAccessException("Invalid scheme: " + uri.getScheme());
            }

            final String path = uri.getPath();
            if (path == null) {
                parent = "/";
                name = null;
            } else {
                final String[] values = path.replaceAll("/+", "/").replaceFirst("/$", "").split("/");

            }
        } catch (final IOException e) {
            throw new CrawlingAccessException("Could not access " + file.getPath(), e);
        }
    }

    /**
     * Processes allowed SIDs (Security Identifiers) and adds them to the SID set.
     * If the SID is a group, it recursively processes all group members.
     *

            throw new NoSuchElementException();
        }
        return getFirstEntry().element;
    }

    /**
     * Returns the last element.
     *
     * @return the last element
     */
    public E getLast() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        return getLastEntry().element;
    }

    /**
     * Returns the first entry.
     *