public String get(final String propertyKey) {
                final String plainValue = getFromCache(propertyKey);
                final String filteredValue = propertyFilter.filter(propertyKey, plainValue);
                verifyPropertyValue(propertyKey, filteredValue); // null checked
                return filterPropertyAsDefault(filteredValue); // not null here
            }

            private String getFromCache(final String propertyKey) {

    }

    @Override
    public String getId() {
        return crawlingConfig.getId();
    }

    @Override
    public String getName() {
        return crawlingConfig.getName();
    }

    @Override
    public String[] getPermissions() {
        return crawlingConfig.getPermissions();
    }

    @Override
    public String[] getVirtualHosts() {

     */
    protected void sendMail(final Map<String, String> infoMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.hasNotification()) {
            final Map<String, String> dataMap = new HashMap<>();
            for (final Map.Entry<String, String> entry : infoMap.entrySet()) {

    }

    @Test
    public void test_getSearchEngineHttpAddress_withValue() {
        String testAddress = "http://localhost:9200";
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {
            System.setProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS, testAddress);
            String result = SystemUtil.getSearchEngineHttpAddress();
            assertEquals(testAddress, result);

     */
    public String getInput() {
        return input;
    }

    /**
     * Gets the input value or empty string if null.
     * @return the input value or empty string
     */
    public String getInputValue() {
        if (input == null) {
            return StringUtil.EMPTY;
        }
        return input;
    }

    /**
     * Checks if this item has been updated.

    protected static final String PREFERENCE_QUERY = "_query";

    /** Prefix used to identify sort parameters in search queries */
    protected String sortPrefix = "sort:";

    /** Additional query string to be appended to all search queries */
    protected String additionalQuery;

    /** Default sort builders to be applied when no explicit sorting is specified */

         */
        protected Pair<String, String> splitField(final String defaultField, final String field) {
            final int indexOf = field.indexOf(':');
            if (indexOf < 0) {
                return new Pair<>(field, null);
            }
            final String indexField = indexOf == 0 ? defaultField : field.substring(0, indexOf);
            final String extensionKey = field.substring(indexOf + 1);

            return 300;
        }

        @Override
        public String getIndexLogIndex() {
            return "fess_log";
        }

        @Override
        public String getIndexSearchTimeout() {
            return "30000";
        }

        @Override
        public String getMailFromAddress() {
            return "******@****.***";
        }

        @Override

    public void test_asMapEmpty() {
        Map<String, Object> map = dataStoreParams.asMap();
        assertNotNull(map);
        assertTrue(map.isEmpty());
    }

    // Test getDataMap with ParamMap
    @Test
    public void test_getDataMapWithParamMap() {
        Map<String, Object> innerMap = new HashMap<>();
        innerMap.put("key1", "value1");
        ParamMap<String, Object> paramMap = new ParamMap<>(innerMap);

    protected final String _tablePropertyName = "ScheduledJob";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override
    public String getTableDispName() {
        return _tableDispName;
    }

    @Override
    public String getTablePropertyName() {
        return _tablePropertyName;
    }

    @Override