private static final String NAME_PREFIX = "stopwordsTest_";
    private static final String API_PATH = "/api/admin/dict/stopwords";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";
    private static final String DICT_TYPE = "stopwords";

    private static final String KEY_PROPERTY = "input";

    @Override

    public void test_generateId_virtualHost() {
        final Map<String, Object> dataMap = new HashMap<String, Object>();
        dataMap.put("url", "http://example.com/");
        final List<String> roleTypeList = new ArrayList<String>();
        roleTypeList.add("admin");
        dataMap.put("role", roleTypeList);
        final List<String> virtualHostList = new ArrayList<String>();
        virtualHostList.add("site1");

        return super.hashCode();
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + ":" + doBuildColumnString(", ") + "@" + Integer.toHexString(hashCode());
    }

    protected abstract String doBuildColumnString(String dm);

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

    @Override

     *
     * @return list of environment variable items
     */
    public static List<Map<String, String>> getEnvItems() {
        final List<Map<String, String>> itemList = new ArrayList<>();
        for (final Map.Entry<String, String> entry : System.getenv().entrySet()) {
            itemList.add(createItem(entry.getKey(), entry.getValue()));
        }
        return itemList;

    private static final String NAME_PREFIX = "duplicateHostTest_";
    private static final String API_PATH = "/api/admin/duplicatehost";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "regular_name";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    private static final String NAME_PREFIX = "keyMatchTest_";
    private static final String API_PATH = "/api/admin/keymatch";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "term";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    private static final String NAME_PREFIX = "labelTypeTest_";
    private static final String API_PATH = "/api/admin/labeltype";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "name";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    private static final String NAME_PREFIX = "pathMapTest_";
    private static final String API_PATH = "/api/admin/pathmap";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "regex";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    private static final String NAME_PREFIX = "scrollSearchApiTest_";
    private static final String DEFAULT_TESTDATA_PATH = "/tmp/fess-testdata";
    private static final String CRAWL_LABEL = NAME_PREFIX + "_label";
    private static String fileConfigId;
    private static String crawlLabelId;

    @BeforeAll
    protected static void initAll() {

        final List<Map<String, Object>> list = List.of(Map.of("id", "1"), Map.of("id", "2"));
        final Map<String, Object> map = Map.of("items", list);
        final List<Map<String, Object>> result = coordinatorHelper.getListValue(map, "items");
        assertNotNull(result);
        assertEquals(2, result.size());
    }

    @Test
    public void test_getListValue_notList() {