* indicates the last time the Sitemap file was modified.  The {@code lastmod} attribute is used by crawlers
 * to incrementally fetch sitemaps that have been updated since a certain date.
 * </p>
 *
 * <p>
 * This class also provides implementations for {@code equals}, {@code hashCode}, and {@code toString} methods
 * to facilitate object comparison and representation.
 * </p>
 *

        existingSource.put(FieldNames.TAGS, Arrays.asList("existing"));

        Map<String, Object> updated = item.getUpdatedSource(existingSource);

        assertNotNull(updated);
        assertEquals("test", updated.get(FieldNames.TEXT));
        assertEquals(25L, updated.get(FieldNames.QUERY_FREQ)); // 20 + 5
        assertEquals(20L, updated.get(FieldNames.DOC_FREQ)); // 10 + 10

        @SuppressWarnings("unchecked")

        return clientFactory.getClient(url);
    }

    /**
     * Checks if the content has been updated since the last crawl.
     * @param client The crawler client.
     * @param urlQueue The URL queue entry.
     * @return true if content is updated, false otherwise.
     */
    protected boolean isContentUpdated(final CrawlerClient client, final UrlQueue<?> urlQueue) {

        }

        /**
         * Sets the initial capacity for the text normalization context.
         *
         * @param initialCapacity the initial capacity to be set
         * @return the updated TextNormalizeContext instance
         */
        public TextNormalizeContext initialCapacity(final int initialCapacity) {
            this.initialCapacity = initialCapacity;
            return this;
        }

        return item;
    }

    /**
     * Returns the updated source map by merging with existing source.
     * @param existingSource The existing source map.
     * @return The updated source map.
     */
    public Map<String, Object> getUpdatedSource(final Map<String, Object> existingSource) {

     */
    void store(RESULT accessResult);

    /**
     * Updates the given access result.
     *
     * @param accessResult the access result to update
     */
    void update(RESULT accessResult);

    /**
     * Updates the given list of access results.
     *
     * @param accessResult the list of access results to update
     */
    void update(List<RESULT> accessResult);

    /**

    }

    /**
     * Updates the given list of access results.
     * @param accessResultList The list of access results to update.
     */
    @Override
    public void update(final List<AccessResultImpl<Long>> accessResultList) {
        for (final AccessResultImpl<Long> accessResult : accessResultList) {
            update(accessResult);
        }
    }

    }

    /**
     * Updates an access result in the OpenSearch index.
     *
     * @param accessResult The access result to update.
     */
    @Override
    public void update(final OpenSearchAccessResult accessResult) {
        super.insert(accessResult, OpType.INDEX);
    }

    /**
     * Updates multiple access results in the OpenSearch index.
     *

     * @param items    an array of suggest items to be written to the index
     * @param update   a boolean flag indicating whether to update existing items
     * @return a result object containing information about the write operation
     */
    SuggestWriterResult write(Client client, SuggestSettings settings, String index, SuggestItem[] items, boolean update);

    /**
     * Deletes a suggestion from the specified index.
     *

        final OpenSearchAccessResult accessResult2 = dataService.getAccessResult("id1", "http://www.id1.com/");
        assertNotNull(accessResult2);

        accessResult2.setMimeType("text/html");
        dataService.update(accessResult2);

        final AccessResult accessResult3 = dataService.getAccessResult("id1", "http://www.id1.com/");
        assertNotNull(accessResult3);
        assertEquals("text/html", accessResult3.getMimeType());