// v1 == 0.
        .optional(defaultValue = 0),
      Adapters.INTEGER_AS_BIG_INTEGER,
      algorithmIdentifier,
      name,
      validity,
      name,
      subjectPublicKeyInfo,
      Adapters.BIT_STRING.withTag(tag = 1L).optional(),
      Adapters.BIT_STRING.withTag(tag = 2L).optional(),
      extension.asSequenceOf().withExplicitBox(tag = 3).optional(defaultValue = listOf()),
      decompose = {

    }

    @Override
    public Path getPath() {
        return artifact.getPath();
    }

    @Override
    public String getProperty(String key, String defaultValue) {
        return artifact.getProperty(key, defaultValue);
    }

    @Override
    public Map<String, String> getProperties() {
        return artifact.getProperties();
    }

    public String getMessage() {

    openAPIV3Schema:
      $ref: $refValue
      $schema: $schemaValue
      additionalItems: true
      additionalProperties: true
      allOf:
      - {}
      anyOf:
      - {}
      default: defaultValue
      definitions:
        definitionsKey: {}
      dependencies:
        dependenciesKey:
        - <no json tag> PropertyValue
      description: descriptionValue
      enum:
      - enumValue

		case part == "utf8":
			ret.stringType = TagUTF8String
		case strings.HasPrefix(part, "default:"):
			i, err := strconv.ParseInt(part[8:], 10, 64)
			if err == nil {
				ret.defaultValue = new(int64)
				*ret.defaultValue = i
			}
		case strings.HasPrefix(part, "tag:"):
			i, err := strconv.Atoi(part[4:])
			if err == nil {
				ret.tag = new(int)
				*ret.tag = i
			}
		case part == "set":

    private void writeTag(String tagName, String defaultValue, String value, XMLStreamWriter serializer, InputLocationTracker locationTracker) throws IOException, XMLStreamException {
#else
    private void writeTag(String tagName, String defaultValue, String value, XMLStreamWriter serializer) throws IOException, XMLStreamException {
#end
        if (value != null && !Objects.equals(defaultValue, value)) {

          <version>1.0.0+</version>
          <description>Whether to use a local copy instead (with filename that includes the base version)</description>
          <type>boolean</type>
          <defaultValue>false</defaultValue>
        </field>
      </fields>
    </class>
    <class java.clone="deep">
      <name>SnapshotVersion</name>
      <version>1.1.0+</version>

    private DocumentUtil() {
    }

    public static <T> T getValue(final Map<String, Object> doc, final String key, final Class<T> clazz, final T defaultValue) {
        final T value = getValue(doc, key, clazz);
        if (value == null) {
            return defaultValue;
        }
        return value;
    }

    @SuppressWarnings("unchecked")

    private boolean watchFileSystemDebugLogging;
    private boolean vfsVerboseLogging;

    private Option.Value<Boolean> configurationCache = Option.Value.defaultValue(false);
    private Option.Value<Boolean> isolatedProjects = Option.Value.defaultValue(false);
    private ConfigurationCacheProblemsOption.Value configurationCacheProblems = ConfigurationCacheProblemsOption.Value.FAIL;
    private boolean configurationCacheDebug;

            if (appendValue != null) {
                buf.append(appendValue);
            }
            cmdList.add(buf.toString());
        } else if (defaultValue != null) {
            cmdList.add("-D" + name + "=" + defaultValue);
        }
    }

    protected void addFessConfigProperties(final List<String> cmdList) {

}

// Comment returns the comment of current column.
func (ct ColumnType) Comment() (value string, ok bool) {
	return ct.CommentValue.String, ct.CommentValue.Valid
}

// DefaultValue returns the default value of current column.
func (ct ColumnType) DefaultValue() (value string, ok bool) {
	return ct.DefaultValueValue.String, ct.DefaultValueValue.Valid