* to register, retrieve, and discover available data stores.
 *
 * <p>Data stores are registered by name and class name, allowing flexible lookup.
 * The factory also supports dynamic discovery of data store plugins by scanning
 * JAR files for data store configurations.</p>
 *
 * <p>Thread-safe operations are supported for registration and retrieval of data stores.

                QueryBuilders.termQuery(fessConfig.getIndexFieldParentId(), id));
    }

    /**
     * Retrieves all child documents that belong to the specified parent document.
     *
     * @param searchEngineClient the search engine client to use for retrieval
     * @param id the parent document ID whose children should be retrieved
     * @param fields the fields to include in the response (null for all fields)

    /** Phase name for document search */
    String PHASE_SEARCH = "search";

    /** Phase name for result evaluation */
    String PHASE_EVALUATE = "evaluate";

    /** Phase name for content retrieval */
    String PHASE_FETCH = "fetch";

    /** Phase name for answer generation */
    String PHASE_ANSWER = "answer";

    /**
     * Called when a processing phase starts.
     *

        assertTrue(ssoManager.available());

        // Verify login credential retrieval
        LoginCredential credential = ssoManager.getLoginCredential();
        assertNotNull(credential);
        assertEquals("samluser", ((TestLoginCredential) credential).username);

        // Verify response retrieval
        ActionResponse metadataResponse = ssoManager.getResponse(SsoResponseType.METADATA);

     *
     * @param form the go form containing document ID and tracking parameters
     * @return action response for redirection or content streaming
     * @throws IOException if an I/O error occurs during content retrieval
     */
    @Execute
    public ActionResponse index(final GoForm form) throws IOException {
        validate(form, messages -> {}, () -> asHtml(virtualHost(path_Error_ErrorJsp)));
        if (isLoginRequired()) {

        // NOTE: Release metadata includes version information about artifacts that have been released, to allow
        // meta-versions like RELEASE and LATEST to resolve, and also to allow retrieval of the range of valid, released
        // artifacts available.
        ArtifactRepositoryPolicy policy = metadata.getPolicy(repository);

        if (!policy.isEnabled()) {

   * only the entries for {@code keys} will be returned from {@code getAll}.
   *
   * <p>This method should be overridden when bulk retrieval is significantly more efficient than
   * many individual lookups. Note that {@link LoadingCache#getAll} will defer to individual calls
   * to {@link LoadingCache#get} if this method is not overridden.
   *

    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    // Test basic property retrieval
    @Test
    public void test_get_basicProperty() {
        // Test getting a property from the config
        String value = fessConfig.get("domain.title");
        assertEquals("Test Fess", value);

                }
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    /**
     * Retrieves a single document by its document ID.
     *
     * @param docId The document ID to retrieve
     * @param fields Array of field names to include in the result
     * @param userBean Optional user information for permission checking

   * only the entries for {@code keys} will be returned from {@code getAll}.
   *
   * <p>This method should be overridden when bulk retrieval is significantly more efficient than
   * many individual lookups. Note that {@link LoadingCache#getAll} will defer to individual calls
   * to {@link LoadingCache#get} if this method is not overridden.
   *