func (p Prefix) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
	if !p.set {
		return nil
	}
	return e.EncodeElement(p.string, startElement)
}

// String returns the prefix string
func (p Prefix) String() string {
	return p.string

/**
 * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by
 * Maven core itself and loaded Maven core extensions.
 *
 * @since 3.3.0
 */
public class CoreExports {
    private final Set<String> artifacts;

    private final Map<String, ClassLoader> packages;

    public CoreExports(CoreExtensionEntry entry) {

                            "items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},
                        "type": {"title": "Error Type", "type": "string"},
                    },
                },
                "HTTPValidationError": {

                            "items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},
                        "type": {"title": "Error Type", "type": "string"},
                    },
                },
                "HTTPValidationError": {

  public void testSet() {
    ListIterator<String> iterator = create();

    assertTrue(iterator.hasNext());
    assertEquals("a", iterator.next());
    assertEquals("b", iterator.next());
    assertEquals("b", iterator.previous());
    assertThrows(UnsupportedOperationException.class, () -> iterator.set("c"));
  }

  UnmodifiableListIterator<String> create() {
    final String[] array = {"a", "b", "c"};

)

// Namer namer interface
type Namer interface {
	TableName(table string) string
	SchemaName(table string) string
	ColumnName(table, column string) string
	JoinTableName(joinTable string) string
	RelationshipFKName(Relationship) string
	CheckerName(table, column string) string
	IndexName(table, column string) string
	UniqueName(table, column string) string
}

// Replacer replacer interface like strings.Replacer

	var deploymentID string
	if entry.DeploymentID != "" {
		deploymentID = "\nDeploymentID: " + entry.DeploymentID
	}

	var requestID string
	if entry.RequestID != "" {
		requestID = "\nRequestID: " + entry.RequestID
	}

	var remoteHost string
	if entry.RemoteHost != "" {
		remoteHost = "\nRemoteHost: " + entry.RemoteHost
	}

	var host string
	if entry.Host != "" {

 *
 */
public class StringSource implements Source {
    private final String content;

    private final String location;

    private final int hashCode;

    /**
     * Creates a new source backed by the specified string.
     *
     * @param content The String representation, may be empty or {@code null}.
     */
    public StringSource(CharSequence content) {

  private static final String GOOD_CALLABLE_RESULT = "good callable result";
  private static final Callable<String> GOOD_CALLABLE =
      new Callable<String>() {
        @Override
        public String call() throws InterruptedException {
          MILLISECONDS.sleep(DELAY_MS);
          return GOOD_CALLABLE_RESULT;
        }
      };
  private static final Callable<String> BAD_CALLABLE =
      new Callable<String>() {

    }

    def propertyDoc(Map<String, ?> args = [:], String name) {
        return new PropertyDoc(classMetaData(), property(name, null), [parse("<para>$name comment</para>")], args.additionalValues ?: [])
    }

    def method(String name, ClassMetaData classMetaData) {
        return method([:], name, classMetaData)
    }

    def method(Map<String, ?> args, String name, ClassMetaData classMetaData) {