long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                if (line.length() == 0 || line.charAt(0) == '#') {
                    if (updater != null) {
                        updater.write(line);
                    }
                    continue; // ignore empty lines and comments
                }

    }
  }

  /**
   * Reads the first line from a file. The line does not include line-termination characters, but
   * does include other leading and trailing whitespace.
   *
   * @param file the file to read from
   * @param charset the charset used to decode the input stream; see {@link StandardCharsets} for
   *     helpful predefined constants
   * @return the first line, or null if the file is empty

            assertTrue(true);
        }
    }

    public void test_reload_withEmptyLines() throws Exception {
        // Create content with empty lines and comments
        String content = "# Comment line\n" + "\n" + // empty line
                "word1\n" + "  \n" + // whitespace line (may be treated as content)
                "# Another comment\n" + "word2\n";

        // Write content to test file
        writeTestFile(content);

  /**
   * Line Feed ('\n'): A format effector which controls the movement of the printing position to the
   * next printing line. (Applicable also to display devices.) Where appropriate, this character may
   * have the meaning "New Line" (NL), a format effector which controls the movement of the printing
   * point to the first printing position on the next printing line. Use of this convention requires

            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                if (line.length() == 0 || line.charAt(0) == '#') {
                    if (updater != null) {
                        updater.write(line);
                    }
                    continue; // ignore empty lines and comments
                }

                String[] inputs;

    - name: Autobuild
      uses: github/codeql-action/autobuild@v1

    # ℹ️ Command-line programs to run using the OS shell.
    # 📚 https://git.io/JvXDl

    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
    #    and modify them (or add more) to build your code if your project
    #    uses a compiled language

    #- run: |

  done
  printf '%s' "$(
    cd "$basedir" || exit 1
    pwd
  )"
}

# concatenates all lines of a file
concat_lines() {
  if [ -f "$1" ]; then
    # Remove \r in case we run on Windows within Git Bash
    # and check out the repository with auto CRLF management
    # enabled. Otherwise, we may read lines that are delimited with
    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
    # splitting rules.

    Splitter splitter = Splitter.on(CharMatcher.whitespace());
    URL url = getClass().getResource(resourceName);
    for (String line : Resources.readLines(url, UTF_8)) {
      Iterator<String> iterator = splitter.split(line).iterator();
      String input = iterator.next();
      String expectedOutput = iterator.next();
      assertFalse(iterator.hasNext());

        stopwordsFile.reload(null, is);

        assertEquals(2, stopwordsFile.stopwordsItemList.size());
        // The content creates two lines: "word\n1" and "word\"
        assertTrue(stopwordsFile.stopwordsItemList.stream().anyMatch(item -> item.getInput().contains("word")));
    }

    // Test StopwordsUpdater inner class

        assertEquals(1, result.size());
        assertEquals("f", result.get(0).getOutput());
    }

    // Test reload with comments and empty lines
    public void test_reload_withCommentsAndEmptyLines() throws Exception {
        writeTestFile("# This is a comment\n\na,b => c\n\n# Another comment\nd,e => f\n");