private static final String LANG_KEY = "lang";

    /** The underlying map that this DocMap wraps */
    private final Map<String, Object> parent;

    /**
     * Constructor that creates a DocMap wrapping the given parent map.
     *
     * @param parent the map to wrap and delegate operations to
     */
    public DocMap(final Map<String, Object> parent) {
        this.parent = parent;

        info.setSessionId("test-session");

        final String str = info.toString();
        assertNotNull(str);
    }

    @Test
    public void test_crawlingInfoParam_toString() {
        final CrawlingInfoParam param = new CrawlingInfoParam();
        param.setId("param-id");
        param.setKey("test-key");
        param.setValue("test-value");

        final String str = param.toString();

     */
    private ResultData ingest(final ResponseData responseData, final ResultData resultData) {
        if (ingestFactory == null) {
            return resultData;
        }
        ResultData target = resultData;
        for (final Ingester ingester : ingestFactory.getIngesters()) {
            try {
                target = ingester.process(target, responseData);
            } catch (final Exception e) {

    @Override
    public ClassificationMeta provide(final String classificationName) throws ProvidedClassificationNotFoundException {
        final ClassificationMeta onMainSchema = findOnMainSchema(classificationName);
        if (onMainSchema == null) {
            final String msg = "Not found the classification: " + classificationName;

     */
    protected static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";

    /**
     * CORS header for specifying allowed headers.
     */
    protected static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";

    /**
     * CORS header for specifying allowed HTTP methods.
     */

     */
    public static DocumentBuilderFactory newInstance(final boolean external) {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        if (!external) {
            try {
                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {

     */
    public static <T> T defaultValue(final T t, final T defaultValue) {
        return t == null ? defaultValue : t;
    }

    /**
     * Returns true if the two objects are not equal.
     *
     * @param o1 the first object
     * @param o2 the second object
     * @return true if not equal, false otherwise
     */
    public static boolean notEquals(final Object o1, final Object o2) {
        return !equals(o1, o2);

     */
    public static Float toFloat(final Object o) {
        return toFloat(o, null);
    }

    /**
     * Converts to {@link Float}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Float}
     */
    public static Float toFloat(final Object o, final String pattern) {
        if (o == null) {

     */
    public boolean changePassword(final String username, final String password) {
        return chains().get(stream -> stream.allMatch(c -> c.changePassword(username, password)));
    }

    /**
     * Deletes a user from all authentication chains.
     * @param user The user to delete.
     */
    public void delete(final User user) {
        chains().of(stream -> stream.forEach(c -> c.delete(user)));

  static class SuperClass {
    final List<Object> notOverriddenInSubclassEvents = new ArrayList<>();
    final List<Object> overriddenNotAnnotatedInSubclassEvents = new ArrayList<>();
    final List<Object> overriddenAndAnnotatedInSubclassEvents = new ArrayList<>();
    final List<Object> differentlyOverriddenNotAnnotatedInSubclassBadEvents = new ArrayList<>();