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 RobotsTxt robotsTxt = new RobotsTxt();
            final List<Directive> currentDirectiveList = new ArrayList<>();
            boolean isGroupRecodeStarted = false;
            while ((line = reader.readLine()) != null) {
                line = stripComment(line).trim();
                if (StringUtil.isEmpty(line)) {
                    continue;
                }

            String line = br.readLine();
            while (line != null) {
                lineNumber++;
                gatherDeadLinksInLine(sourceFile, line, lineNumber, errorsForFile);
                gatherDeadJavadocLinksInLine(sourceFile, line, lineNumber, errorsForFile);
                gatherMarkdownLinksInLine(sourceFile, line, lineNumber, errorsForFile);

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

                }
                valueLines.add(line);
                while (line.length() > 0 && contains(WHITE_SPACE, line.charAt(0))) {
                    line = line.substring(1, line.length());
                }
                buffer.append(line);
                if (!combine) {
                    break;
                }
            }
            return buffer.toString();

	}

	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 {

			j++
		} else {
			j--
		}
		line := tmp.String() // We use the string-valued token here, for variety.
		if s.Text() != line {
			t.Errorf("%d: bad line: %d %d\n%.100q\n%.100q\n", lineNum, len(s.Bytes()), len(line), s.Text(), line)
		}
	}
	err := s.Err()
	if err != nil {
		t.Fatal(err)
	}
}

// Test that the line splitter errors out on a long line.
func TestScanLineTooLong(t *testing.T) {

@ElementTypesAreNonnullByDefault
abstract class LineBuffer {
  /** Holds partial line contents. */
  private StringBuilder line = new StringBuilder();
  /** Whether a line ending with a CR is pending processing. */
  private boolean sawReturn;

  /**
   * Process additional characters from the stream. When a line separator is found the contents of
   * the line and the line separator itself are passed to the abstract {@link #handleLine} method.
   *

@ElementTypesAreNonnullByDefault
abstract class LineBuffer {
  /** Holds partial line contents. */
  private StringBuilder line = new StringBuilder();
  /** Whether a line ending with a CR is pending processing. */
  private boolean sawReturn;

  /**
   * Process additional characters from the stream. When a line separator is found the contents of
   * the line and the line separator itself are passed to the abstract {@link #handleLine} method.
   *

   * '\n'}), a carriage return ({@code '\r'}), or a carriage return followed immediately by a
   * linefeed ({@code "\r\n"}).
   *
   * @return a {@code String} containing the contents of the line, not including any
   *     line-termination characters, or {@code null} if the end of the stream has been reached.
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue // to skip a line
  @CheckForNull