String invalidLink = matcher.group();
             errorsForFile.add(new Error(lineNumber, line, "Markdown-style links are not supported: " + invalidLink));
        }
    }

    private void gatherDeadLinksInLine(File sourceFile, String line, int lineNumber, List<Error> errorsForFile) {
        Matcher matcher = linkPattern.matcher(line);
        while (matcher.find()) {

    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

    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

    }

    /**
     * Gets the current match expression.
     *
     * @return the match expression string
     */
    public String getMatchExpression() {
        return matchExpression;
    }

    /**
     * Sets the match expression used to determine if documents should be boosted.
     *
     * @param expression the match expression string
     */

      if (nodeIndex == -1) {
        break;
      }

      // Check for matches at this node. Higher priority rules are checked last to overwrite.
      int metadata = trieData.charAt(nodeIndex * NODE_SIZE + 2);

      // Excluded match (!rule). If this bit is set, it means the current path is NOT a public
      // suffix, even if a previous rule matched. For example, "!www.ck" would exclude "www.ck"

                    .findFirst()
                    .orElseThrow(() -> new IOException("Can't find package definition in file " + file));
                Matcher matcher = pattern.matcher(packageLine);
                if (matcher.find()) {
                    return matcher.group(1);
                } else {
                    throw new IOException("Can't extract package name from file " + file);
                }
            }

          "match": "*_bn",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_ca": {
          "match": "*_ca",
          "mapping": {
            "type": "text",
            "analyzer": "catalan_analyzer"
          }
        }
      },
      {
        "lang_ckb-iq": {
          "match": "*_ckb-iq",
          "mapping": {

          "match": "*_bn",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_ca": {
          "match": "*_ca",
          "mapping": {
            "type": "text",
            "analyzer": "catalan_analyzer"
          }
        }
      },
      {
        "lang_ckb-iq": {
          "match": "*_ckb-iq",
          "mapping": {

        map.put("data1", 20);
        assertTrue(docBoostMatcher.match(map));

        map.put("data1", 5);
        assertFalse(docBoostMatcher.match(map));

        map.remove("data1");
        assertFalse(docBoostMatcher.match(map));

        map.put("data2", 5);
        assertFalse(docBoostMatcher.match(map));
    }

    @Test
    public void test_string() {

    match = HASH_COMMENT_RE.match(line)
    if match:
        code = match.group("code").rstrip()
        comment = match.group("comment")
        return code, comment
    return line.rstrip(), None


def _split_slashes_comment(line: str) -> tuple[str, str | None]:
    match = SLASHES_COMMENT_RE.match(line)
    if match:
        code = match.group("code").rstrip()