checkArgument(
        !separatorPattern.matcher("").matches(),
        "The pattern may not match the empty string: %s",
        separatorPattern);

    return new Splitter(
        (splitter, toSplit) -> {
          CommonMatcher matcher = separatorPattern.matcher(toSplit);
          return new SplittingIterator(splitter, toSplit) {
            @Override

     * The default implementation returns an empty list.
     */
    default List<String> excludes() {
        return List.of();
    }

    /**
     * {@return a matcher combining the include and exclude patterns}
     * If the user did not specify any includes, the given {@code defaultIncludes} are used.
     * These defaults depend on the plugin.

        // assertFalse(indexUpdater.isAlive());
    }

    // Test updateDocument with boost matcher
    @Test
    public void test_updateDocument_withBoostMatcher() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("url", "http://example.com");

        final DocBoostMatcher matcher = new DocBoostMatcher() {
            @Override
            public boolean match(Map<String, Object> map) {

                    }
                    continue;
                }

                String[] inputs;
                String output;

                final Matcher m = parsePattern.matcher(replacedLine);

                if (!m.find()) {
                    logger.warn("Failed to parse mapping: line={}, path={}", line, path);
                    if (updater != null) {

      var month = -1
      var year = -1
      val matcher = TIME_PATTERN.matcher(s)

      while (pos < limit) {
        val end = dateCharacterOffset(s, pos + 1, limit, true)
        matcher.region(pos, end)

        when {
          hour == -1 && matcher.usePattern(TIME_PATTERN).matches() -> {
            hour = matcher.group(1).toInt()
            minute = matcher.group(2).toInt()

                    if (updater != null) {
                        updater.write(line);
                    }
                    continue;
                }

                final Matcher m = parsePattern.matcher(replacedLine);

                if (!m.find()) {
                    logger.warn("Failed to parse stemmer override: line={}, path={}", line, path);
                    if (updater != null) {

        private void body(Snippet snippet, boolean inSetup) {
            parse("$snippet", snippet.contents, SYNTAX) { matcher, last ->
                if (matcher.group("comment") != null) {
                    // Comment
                    return
                }
                String yamlRequest = matcher.group("yaml");
                if (yamlRequest != null) {
                    current.println(yamlRequest)

        List<String> mapped = new ArrayList<>(mappings.values());
        Pattern mappingsPattern = Pattern.compile("(" + String.join(")|(", mappings.keySet()) + ")");
        Matcher match = mappingsPattern.matcher(dependencyName);
        if (match.matches()) {
            int i = 0;
            while (i < match.groupCount() && match.group(i + 1) == null) {
                ++i;
            }
            return mapped.get(i);

     * Retrieves related content for a given search query.
     * First checks for exact term matches, then evaluates regex patterns.
     * For regex matches, the query placeholder is replaced with the actual query.
     *
     * @param query the search query to find related content for
     * @return array of related content strings, or empty array if no matches found
     */
    public String[] getRelatedContents(final String query) {

        this.maxIndexerErrorCount = maxIndexerErrorCount;
    }

    /**
     * Adds a document boost matcher rule for enhancing document relevance scores.
     *
     * @param rule the document boost matcher rule to add
     */
    public void addDocBoostMatcher(final DocBoostMatcher rule) {
        docBoostMatcherList.add(rule);
    }

    /**