* XML entities. This method replaces the following characters:
     * <ul>
     *   <li>&amp; with &amp;amp;</li>
     *   <li>&lt; with &amp;lt;</li>
     *   <li>&gt; with &amp;gt;</li>
     *   <li>" with &amp;quot;</li>
     *   <li>' with &amp;apos;</li>
     * </ul>
     * Additionally, it strips invalid XML characters from the input string.
     *
     * @param value the input string to be escaped

 * the queue the shortest time. New elements are inserted at the tail of the queue, and the queue
 * retrieval operations obtain elements at the head of the queue.
 *
 * <p>This is a classic &quot;bounded buffer&quot;, in which a fixed-sized array holds elements
 * inserted by producers and extracted by consumers. Once created, the capacity cannot be increased.

            if (excludedUrlList != null) {
                excludedUrlList.stream().filter(StringUtil::isNotBlank).map(String::trim).distinct().forEach(u -> {
                    final String urlValue = Pattern.quote(u);
                    crawler.addExcludeFilter(urlValue);
                    if (logger.isInfoEnabled()) {
                        logger.info("Excluded URL from failures: {}", urlValue);
                    }

 * general way.
 *
 * <p>A good example of usage of this class is for HTML escaping where the replacement array
 * contains information about the named HTML entities such as {@code &amp;} and {@code &quot;} while
 * {@link #escapeUnsafe} is overridden to handle general escaping of the form {@code &#NNNNN;}.
 *
 * <p>The size of the data structure used by {@link ArrayBasedUnicodeEscaper} is proportional to the

        assertFalse(CharUtil.isUrlChar('<')); // less than
        assertFalse(CharUtil.isUrlChar('>')); // greater than
        assertFalse(CharUtil.isUrlChar('"')); // double quote
        assertFalse(CharUtil.isUrlChar('\\')); // backslash
        assertFalse(CharUtil.isUrlChar('`')); // backtick
    }

    public void test_isUrlChar_controlCharacters() {
        // Test control characters

         *
         * @param value the configuration value string to parse
         */
        public Config(final String value) {
            values = StreamUtil.split(value, Pattern.quote("|")).get(stream -> stream.map(String::trim).toArray(n -> new String[n]));
        }

        /**
         * Checks if the cache option is enabled in the configuration.

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexLogIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_log"), name);
        }
        return indexName;
    }

    @Override
    protected LocalDateTime toLocalDateTime(final Object value) {
        if (value != null) {
            try {

  // that are considered authoritative for the behavior of that escaper.

  private static final Escaper HTML_ESCAPER =
      Escapers.builder()
          .addEscape('"', """)
          // Note: "'" is not defined in HTML 4.01.
          .addEscape('\'', "'")
          .addEscape('&', "&")
          .addEscape('<', "&lt;")
          .addEscape('>', "&gt;")
          .build();

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        return sb.toString().replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath);
    }

    /**
     * Default keys for suggest settings.
     */
    public static class DefaultKeys {
        /** Index key. */

        }
        source = source.replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath)//
                .replaceAll(Pattern.quote("${fess.index.codec}"), fessConfig.getIndexCodec())//
                .replaceAll(Pattern.quote("${fess.index.number_of_shards}"), numberOfShards)//
                .replaceAll(Pattern.quote("${fess.index.auto_expand_replicas}"), autoExpandReplicas);