*/
    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.

    }

    @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);

        private final String nodeName;
        private final Map<String, MockNode> attributes = new HashMap<>();
        private final MockNamedNodeMap namedNodeMap = new MockNamedNodeMap();

        public MockNode(String nodeName) {
            this.nodeName = nodeName;
        }

        public void addAttribute(String name, String value) {
            MockNode attrNode = new MockNode(name);

     */
    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()) {

         * @param loggerName the logger name
         * @param message the log message
         * @param throwable the throwable string, or null
         */
        public LogNotificationEvent(final long timestamp, final String level, final String loggerName, final String message,
                final String throwable) {
            this.timestamp = timestamp;
            this.level = level;
            this.loggerName = loggerName;

         */
        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 acceptedApiChanges
    }

    Map<String, String> toAcceptedChangesMap() {
        acceptedChanges.collectEntries { change ->
            [(new Gson().toJson(change.key)): change.value]
        }
    }

    static Map<ApiChange, String> fromAcceptedChangesMap(Map<String, String> acceptedChanges) {
        acceptedChanges.collectEntries { key, value ->

    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 */

     */
    private final Map<String, String> params;

    /**
     * Constructs a new FieldConfigs instance with the specified parameter map.
     *
     * @param params the map containing field names as keys and configuration values as values
     */
    public FieldConfigs(final Map<String, String> params) {
        this.params = params;
    }

    /**

            return 300;
        }

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

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

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

        @Override