} else {
                            first1 = false;
                        }
                        buf.append("{\"name\":");
                        buf.append(escapeJson(field.getName()));
                        buf.append(",\"result\":[");
                        boolean first2 = true;
                        for (final Map.Entry<String, Long> entry : field.getValueCountMap().entrySet()) {

        private String name;

        public TestDataStore(String name) {
            this.name = name;
        }

        @Override
        protected String getName() {
            return name;
        }

        @Override
        protected void storeData(DataConfig dataConfig, IndexUpdateCallback callback, DataStoreParams paramMap,

    }

    // Test getScriptEngine by class name
    @Test
    public void test_getScriptEngine_byClassName() {
        TestScriptEngine engine = new TestScriptEngine();
        scriptEngineFactory.add("myName", engine);

        // Should be accessible by class simple name
        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("TestScriptEngine");
        assertNotNull(retrieved);

    }

    /**
     * Returns the simple name of the dictionary file.
     *
     * @return The file name without the path.
     */
    public String getSimpleName() {
        return new File(path).getName();
    }

    /**
     * Updates the dictionary file with content from an input stream.
     *
     * @param in The input stream containing the new dictionary content.

        params.put("test", "123");
        assertEquals("123", groovyEngine.evaluate("return test", params));
    }

    @Test
    public void test_getName() {
        assertEquals("groovy", groovyEngine.getName());
    }

    // ===== Null-Safety Tests =====

    /**
     * Test that evaluate returns null for null template
     */
    @Test
    public void test_evaluate_nullTemplate() {

            }

            if (logger.isDebugEnabled()) {
                logger.debug("principal={}", principal);
            }

            final String[] username = principal.getName().split("@", 2);
            if (logger.isDebugEnabled()) {
                logger.debug("username={}", Arrays.toString(username));
            }
            return new SpnegoCredential(username[0]);

            return null;
        });
        getUserBean().ifPresent(u -> {
            if (u.getFessUser() instanceof User && entity.getName().equals(u.getUserId())) {
                throwValidationErrorApi(messages -> messages.addErrorsCouldNotDeleteLoggedInUser(GLOBAL));
            }
        });
        try {
            groupService.delete(entity);

            // release notes assets go into $root/$assetsName/
            task.from(extension.getReleaseNotes().getReleaseNotesAssets(), sub -> sub.into(extension.getReleaseNotes().getReleaseNotesAssets().map(dir -> dir.getAsFile().getName())));

            // DSL reference goes into dsl/
            task.from(extension.getDslReference().getRenderedDocumentation(), sub -> sub.into("dsl"));

            // Javadocs reference goes into javadoc/

        final List<LabelTypeItem> itemList = new ArrayList<>();
        for (final LabelType labelType : labelTypeList) {
            final LabelTypeItem item = new LabelTypeItem();
            item.setLabel(labelType.getName());
            item.setValue(labelType.getValue());
            item.setPermissions(labelType.getPermissions());
            item.setVirtualHost(labelType.getVirtualHost());
            item.setLocale(labelType.getLocale());

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends ElevateWordToLabel> RESULT updateEntity(Map<String, Object> source, RESULT result) {
        return result;