* Handles document transformation, field addition, and batched indexing.
     *
     * @param paramMap the data store parameters
     * @param dataMap the document data to store
     * @throws DataStoreException if required fields are missing or other errors occur
     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {

        }

        final Map<String, String[]> paramMap = new HashMap<>(paramListMap.size());
        for (final Map.Entry<String, List<String>> entry : paramListMap.entrySet()) {
            final List<String> list = entry.getValue();
            paramMap.put(entry.getKey(), list.toArray(new String[list.size()]));
        }
        return paramMap;
    }

    /**

    // ExecutorService executorService = Executors.newFixedThreadPool(1);
    //
    // // HttpClient Parameters
    // Map<String, Object> paramMap = new HashMap<String, Object>();
    // httpClient.setInitParameterMap(paramMap);
    //
    // DigestScheme digestScheme = new DigestScheme();
    // List<Authentication> basicAuthList = new ArrayList<Authentication>();

     * with parameters from the paramMap substituted into the template.
     *
     * @param template the template string to evaluate
     * @param paramMap the map of parameters to substitute into the template
     * @return the result of evaluating the template, or null if evaluation fails
     */
    Object evaluate(final String template, final Map<String, Object> paramMap);

            }
            return null;
        }

        // Null-safety: use empty map if paramMap is null
        final Map<String, Object> safeParamMap = paramMap != null ? paramMap : Collections.emptyMap();

        // Prepare binding map with parameters and DI container
        final Map<String, Object> bindingMap = new HashMap<>(safeParamMap);

        assertNotNull(client);
        assertTrue(client instanceof StorageClient);

    }

    public void test_setInitParameterMap() {
        final Map<String, Object> paramMap = new HashMap<String, Object>();
        paramMap.put("hoge", "test");

        final StringBuilder buf = new StringBuilder();
        clientFactory.addClient("test:.*", new CrawlerClient() {
            @Override

        //  Parameters
        final Map<String, Object> paramMap = new HashMap<>();
        factory.setInitParameterMap(paramMap);

        final Map<String, String> clientConfigMap = getConfigParameterMap(ConfigName.CLIENT);
        if (clientConfigMap != null) {
            paramMap.putAll(clientConfigMap);
        }

        // auth params

     *
     * @param paramMap the parameter map to process
     * @param queryKey the key for storing query string parameters
     * @param formKey the key for storing form input parameters
     */
    protected void buildInitParamMap(final Map<String, String> paramMap, final String queryKey, final String formKey) {
        if (!paramMap.isEmpty()) {

    /**
     * Stores a document in the search index with the specified parameters and data.
     *
     * @param paramMap the data store parameters containing configuration and metadata
     * @param dataMap the document data to be indexed as key-value pairs
     */
    void store(DataStoreParams paramMap, Map<String, Object> dataMap);

    /**
     * Returns the total number of documents processed by this callback.
     *