new ImmutableListMultimap.Builder<Integer, String>()
            .put(4, "Inky")
            .put(6, "Blinky")
            .put(5, "Pinky")
            .put(5, "Pinky")
            .put(5, "Clyde")
            .build();

    List<String> badGuys = Arrays.asList("Inky", "Blinky", "Pinky", "Pinky", "Clyde");
    Function<String, Integer> stringLengthFunction =
        new Function<String, Integer>() {

            public void visit(final Link link) {
                final String destination = link.getDestination();
                if (StringUtil.isNotBlank(destination)) {
                    links.add(destination);
                }
                super.visit(link);
            }
        });

        if (!links.isEmpty()) {
            extractData.putValues("links", links.toArray(new String[0]));
        }
    }

        final SitemapAlternateLink link1 = sitemapUrl.getAlternateLinks().get(0);
        assertEquals("en", link1.getHreflang());
        assertEquals("http://www.example.com/en/page.html", link1.getHref());

        final SitemapAlternateLink link2 = sitemapUrl.getAlternateLinks().get(1);
        assertEquals("ja", link2.getHreflang());

        CloseableUtil.closeQuietly(in);

        // Verify link metadata
        final String[] links = extractData.getValues("links");
        assertNotNull(links);
        assertTrue(links.length > 0);

        boolean foundGitHubLink = false;
        for (final String link : links) {
            if (link.contains("github.com/codelibs/fess-crawler")) {
                foundGitHubLink = true;

              <location>${project.basedir}/javadoc-link/error_prone_annotations</location>
            </offlineLink>
          </offlineLinks>
          <links>
            <link>https://docs.oracle.com/en/java/javase/25/docs/api/</link>
            <link>https://jspecify.dev/docs/api/</link>
          </links>
          <overview>../overview.html</overview>
        </configuration>
      </plugin>
      <plugin>

              <location>${project.basedir}/javadoc-link/error_prone_annotations</location>
            </offlineLink>
          </offlineLinks>
          <links>
            <link>https://docs.oracle.com/en/java/javase/25/docs/api/</link>
            <link>https://jspecify.dev/docs/api/</link>
          </links>
          <overview>../../overview.html</overview>
        </configuration>
      </plugin>

    /**
     * Gets the list of alternate links associated with this URL.
     * @return the list of alternate links, or an empty list if none
     */
    public List<SitemapAlternateLink> getAlternateLinks() {
        if (alternateLinks == null) {
            alternateLinks = new ArrayList<>();
        }
        return alternateLinks;
    }

    /**
     * Adds an alternate link to this sitemap URL.

    }

    /**
     * Sets whether to encode URL links.
     *
     * @param encodeUrlLink true to encode URL links, false otherwise
     */
    public void setEncodeUrlLink(final boolean encodeUrlLink) {
        this.encodeUrlLink = encodeUrlLink;
    }

    /**
     * Sets the character encoding for URL links.
     *
     * @param urlLinkEncoding the character encoding to use

     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Loaded {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    /**
     * Creates a new {@link SynonymFile} instance.
     *

     * This method delegates to {@link FileInputStream#reset()}.
     *
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public synchronized void reset() throws IOException {
        fileInputStream.reset();
    }

    /**
     * Skips over and discards {@code n} bytes of data from this input stream.
     * This method delegates to {@link FileInputStream#skip(long)}.
     *