parent.setArtifactId("apache");
        parent.setVersion("1");

        assertNotNull(this.newModelResolver().resolveModel(parent.getDelegate(), new AtomicReference<>()));
        assertEquals("1", parent.getVersion());
    }

    @Test
    void testResolveParentSuccessfullyResolvesExistingParentUsingHighestVersion() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("org.apache");

<project>
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>parent-version-range-local</groupId>
    <artifactId>parent</artifactId>
    <version>[1,10]</version>
  </parent>
  <artifactId>child</artifactId>
  <!-- Must not use ${project.version} due to version range. -->
  <version>${project.version}</version>
  <packaging>pom</packaging>

 * The maven super model

 * how parent poms are processed

 * the order in which elements in the POM are overridden

 * minimum element-set for a valid project pom


Maven super model

 Inheritance is recursive in Maven but there is a special model which is the implicit super parent in the lineage
 of models you may specify:

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.codehaus.plexus</groupId>
    <artifactId>plexus</artifactId>
    <version>1.0.9</version>
  </parent>
  <groupId>org.codehaus.plexus</groupId>
  <artifactId>plexus-containers</artifactId>
  <packaging>pom</packaging>
  <name>Parent Plexus Container POM</name>
  <version>1.0-alpha-16</version>
  <modules>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>parent-version-range-local</groupId>
  <artifactId>parent</artifactId>
  <version>1</version>
  <packaging>pom</packaging>

<project>
  <parent>
    <artifactId>maven</artifactId>
    <groupId>org.apache.maven</groupId>
    <version>2.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-plugin-api</artifactId>
  <name>Maven Plugin API</name>
  <version>2.0</version>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.13.1</version>

    public Path getRootDirectory() {
        return project.getRootDirectory();
    }

    @Override
    public Optional<Project> getParent() {
        MavenProject parent = project.getParent();
        return parent != null ? Optional.of(session.getProject(parent)) : Optional.empty();
    }

    @Nonnull
    private DependencyCoordinate toDependency(org.apache.maven.api.model.Dependency dependency) {

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-meta</artifactId>
  <name>Maven 4 API :: Meta annotations</name>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-builder-support</artifactId>

  <name>Maven Builder Support</name>

<?xml version="1.0"?><project>
  <parent>
    <artifactId>plexus-containers</artifactId>
    <groupId>org.codehaus.plexus</groupId>
    <version>1.0-alpha-16</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>plexus-component-api</artifactId>
  <name>Plexus Component API</name>
  <version>1.0-alpha-16</version>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>