throws ModelBuildingException {
        ModelData parentData;

        Parent parent = childModel.getParent();

        if (parent != null) {
            String groupId = parent.getGroupId();
            String artifactId = parent.getArtifactId();
            String version = parent.getVersion();

        }

        if (parent != null) {
            xml.append("    <parent>\n");
            xml.append("        <groupId>").append(parent.groupId).append("</groupId>\n");
            xml.append("        <artifactId>").append(parent.artifactId).append("</artifactId>\n");
            xml.append("        <version>").append(parent.version).append("</version>\n");
            xml.append("    </parent>\n");

                        dependency.getVersion(),
                        false,
                        false);
            }

            Parent parent = project.getModel().getDelegate().getParent();

            if (parent != null) {
                // Parent is added as an edge, but must not cause a cycle - so we remove any other edges it has
                // in conflict
                addEdge(

	}

	return nil
}

// Reliably retries os.MkdirAll if for some reason os.MkdirAll returns
// syscall.ENOENT (parent does not exist).
func reliableMkdirAll(dirPath string, mode os.FileMode, baseDir string) (err error) {
	i := 0
	for {
		// Creates all the parent directories, with mode 0777 mkdir honors system umask.
		if err = osMkdirAll(dirPath, mode, baseDir); err != nil {

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");
        this.childrenTracking = parent != null ? parent::replace : null;
    }

    public BaseObject(Object delegate, ChildrenTracking parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");
        this.childrenTracking = parent;
    }

    public Object getDelegate() {

        this.type = type;
        this.parent = parent;
        this.parentImports = parentImports;
        this.foreignImports = foreignImports;
        this.constituents = constituents;
    }

    @Override
    public RealmType getType() {
        return type;
    }

    @Override
    public ClassLoader getParent() {
        return parent;
    }

    @Override

 * Test sorting projects by dependencies.
 *
 */
class ProjectSorterTest {
    private Parent createParent(MavenProject project) {
        return createParent(project.getGroupId(), project.getArtifactId(), project.getVersion());
    }

    private Parent createParent(String groupId, String artifactId, String version) {
        Parent plugin = new Parent();
        plugin.setGroupId(groupId);
        plugin.setArtifactId(artifactId);

        .inOrder();
  }

  @AndroidIncompatible // Android forbids null parent ClassLoader
  public void testClassPathEntries_duplicateUri_parentWins() throws Exception {
    URL url = new URL("file:/a");
    URLClassLoader parent = new URLClassLoader(new URL[] {url}, null);
    URLClassLoader child = new URLClassLoader(new URL[] {url}, parent) {};

        @Nullable RequestTrace parent,
        @Nullable Object data) {

    public static final String CONTEXT_PLUGIN = "plugin";
    public static final String CONTEXT_PROJECT = "project";
    public static final String CONTEXT_BOOTSTRAP = "bootstrap";

    public RequestTrace(RequestTrace parent, Object data) {
        this(parent != null ? parent.context() : null, parent, data);
    }

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>inheritance</groupId>
    <artifactId>parent</artifactId>
    <version>11-SNAPSHOT</version>
  </parent>

  <groupId>inheritance</groupId>
  <artifactId>inheritance</artifactId>
  <version>11-SNAPSHOT</version>
  <name>Model urls inheritance test child</name>