func (kv *BatchJobKV) UnmarshalYAML(val *yaml.Node) error {
	type jobKV BatchJobKV
	var tmp jobKV
	err := val.Decode(&tmp)
	if err != nil {
		return err
	}
	*kv = BatchJobKV(tmp)
	kv.line, kv.col = val.Line, val.Column
	return nil
}

// Validate returns an error if key is empty
func (kv BatchJobKV) Validate() error {
	if kv.Key == "" {
		return BatchJobYamlErr{
			line: kv.line,

        String line;
        final BufferedReader br = new BufferedReader(r);

        while ((line = br.readLine()) != null) {
            line = line.toUpperCase().trim();
            if (line.length() == 0) {
                continue;
            }
            if (line.charAt(0) == '#') {
                if (line.startsWith("#INCLUDE ")) {

	t.base = base
}

func (t *Tokenizer) Line() int {
	return t.line
}

func (t *Tokenizer) Col() int {
	return t.s.Pos().Column
}

func (t *Tokenizer) Next() ScanToken {
	s := t.s
	for {
		t.tok = ScanToken(s.Scan())
		if t.tok != scanner.Comment {
			break
		}
		text := s.TokenText()
		t.line += strings.Count(text, "\n")
		if constraint.IsGoBuild(text) {

        String input = "exact line\nanother line";
        InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 10, null);
        thread.start();
        thread.join(1000);

        assertTrue(thread.contains("exact line"));
        assertTrue(thread.contains("another line"));

/**
 * Parse all headers delimited by "\r\n" until an empty line. This throws if headers exceed 256 KiB.
 */
class HeadersReader(
  val source: BufferedSource,
) {
  private var headerLimit = HEADER_LIMIT.toLong()

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

	}

	errors := map[string]string{}
	for _, line := range strings.Split(errBuf.String(), "\n") {
		if line == "" || strings.HasPrefix(line, "\t") {
			continue
		}
		m := fileLineRE.FindStringSubmatch(line)
		if m == nil {
			t.Errorf("unexpected error: %v", line)
			continue
		}
		fileline := m[1]
		if errors[fileline] != "" && errors[fileline] != line {

    }

    /**
     * Strips comments from a line (everything after '#' character).
     * @param line the line to strip comments from
     * @return the line without comments
     */
    protected String stripComment(final String line) {
        final int commentIndex = line.indexOf('#');
        if (commentIndex != -1) {
            return line.substring(0, commentIndex);
        }
        return line;
    }

    /**
     * Add a header line without any validation. Only appropriate for headers from the remote peer
     * or cache.
     */
    internal fun addLenient(line: String) =
      apply {
        val index = line.indexOf(':', 1)
        when {
          index != -1 -> {
            addLenient(line.substring(0, index), line.substring(index + 1))
          }
          line[0] == ':' -> {

        String line;
        final BufferedReader br = new BufferedReader(r);

        while ((line = br.readLine()) != null) {
            line = line.toUpperCase().trim();
            if (line.length() == 0) {
                continue;
            }
            if (line.charAt(0) == '#') {
                if (line.startsWith("#INCLUDE ")) {

                    } else if (line.startsWith(customPromptLiteralStart)) {
                        saveBuffer();
                        const promptStart = line.indexOf(promptLiteralStart);
                        if (promptStart === -1) {
                            console.error("Custom prompt found but no end delimiter", line)
                        }