*
     * @param searchEngineClient the search engine client to use for deletion
     * @param id the document ID to delete
     * @return true if the deletion was successful, false otherwise
     */
    public boolean deleteDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

     */
    protected List<Map<String, Object>> getDocumentList(final KeyMatch keyMatch) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(),
                searchRequestBuilder -> SearchConditionBuilder

        if (searchEngineClient.createIndex(docIndex, toIndex, numberOfShards, autoExpandReplicas, resetDictionaries)) {
            searchEngineClient.admin().cluster().prepareHealth(toIndex).setWaitForYellowStatus().execute(ActionListener.wrap(response -> {
                searchEngineClient.addMapping(docIndex, "doc", toIndex);

    @Resource
    protected SearchHelper searchHelper;

    /** The search engine client for interacting with OpenSearch. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    // ===================================================================================
    //                                                                      Search Execute

    // Attribute
    // =========

    /** Client for interacting with the search engine. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Helper for building and parsing search queries. */
    @Resource
    protected QueryHelper queryHelper;

    /** Helper for executing search operations. */
    @Resource

     *
     * @param searchEngineClient the search engine client to query
     * @param id the parent document ID to find children for
     * @return a set of RequestData objects for the child URLs, or null if no children found
     */
    protected Set<RequestData> getChildUrlSet(final SearchEngineClient searchEngineClient, final String id) {

         */
        protected final String imageExtention;

        /**
         * OpenSearch client for document validation.
         */
        protected final SearchEngineClient searchEngineClient;

        /**
         * Fess configuration for settings.
         */
        protected final FessConfig fessConfig;

            if (!docList.isEmpty()) {
                final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();
                final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
                indexingHelper.sendDocuments(searchEngineClient, docList);
            }
        }
    }

    /**
     * Adds click count information to the document.
     *

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();
        try {
            final Map<String, Object> doc = indexingHelper.getDocument(searchEngineClient, id,

     *
     * @param searchEngineClient the search engine client to perform the query
     * @return a list of maps containing session IDs and their document counts
     */
    public List<Map<String, String>> getSessionIdList(final SearchEngineClient searchEngineClient) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();