*
     * @return the session identifier
     */
    String getSessionId();

    /**
     * Sets the session identifier.
     *
     * @param sessionId the session identifier
     */
    void setSessionId(String sessionId);

    /**
     * Returns the rule identifier.
     *
     * @return the rule identifier
     */
    String getRuleId();

    /**
     * Sets the rule identifier.
     *

    checkNotNull(enumClass);
    checkNotNull(value);
    return Platform.getEnumIfPresent(enumClass, value);
  }

  private static final Map<Class<? extends Enum<?>>, Map<String, WeakReference<? extends Enum<?>>>>
      enumConstantCache = new WeakHashMap<>();

  private static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> populateCache(

    /** The ID. */
    public String id;

    /** The regex pattern. */
    public String regex;

    /** The replacement string. */
    public String replacement;

    /** The process type. */
    public String processType;

    /** The sort order. */
    public String sortOrder;

    /** The creator. */
    public String createdBy;

    /** The creation time. */

        // nothing
    }

    private final List<Normalizer> normalizers = new ArrayList<>();

    @Override
    public String normalize(final String text, final String field, final String... langs) {
        if (text == null) {
            return null;
        }
        String tmp = text;
        for (final Normalizer normalizer : normalizers) {
            tmp = normalizer.normalize(tmp, field, langs);

     * @return an OptionalThing containing the pipeline string if found, or empty if not found or blank
     */
    public OptionalThing<String> getPipeline(final String configId) {
        final CrawlingConfig config = getCrawlingConfig(configId);
        if (config == null) {
            return OptionalThing.empty();
        }
        final String pipeline = config.getConfigParameterMap(ConfigName.CONFIG).get(Config.PIPELINE);

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.file_authentication";
    }

    @Override
    public String asEsIndexType() {
        return "file_authentication";
    }

    @Override
    public String asEsSearchType() {
        return "file_authentication";
    }

  }

  private fun splitDomain(domain: String): List<String> {
    val domainLabels = domain.split('.')

    if (domainLabels.last() == "") {
      // allow for domain name trailing dot
      return domainLabels.dropLast(1)
    }

    return domainLabels
  }

  private fun findMatchingRule(domainLabels: List<String>): List<String> {
    publicSuffixList.ensureLoaded()

     * The unique identifier of the request header.
     */
    public String id;

    /**
     * The name of the request header.
     */
    public String name;

    /**
     * The value of the request header.
     */
    public String value;

    /**
     * The web configuration ID associated with this request header.
     */
    public String webConfigId;

    /**

     * @param pattern
     *            The pattern string
     * @return The converted {@literal double}
     */
    public static double toPrimitiveDouble(final Object o, final String pattern) {
        if (o == null) {
            return 0;
        } else if (o instanceof Number) {
            return ((Number) o).doubleValue();
        } else if (o instanceof String) {
            return toPrimitiveDouble((String) o);

     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("PDF input stream is null. Cannot extract text from null input.");
        }

        final String password = getPassword(params);
        try (PDDocument document = Loader.loadPDF(new RandomAccessReadBuffer(in), password)) {