throws ModelBuilderException {
        problems.setSource(childModel);

        Parent parent = childModel.getParent();

        String groupId = parent.getGroupId();
        String artifactId = parent.getArtifactId();
        String version = parent.getVersion();

        ModelResolver modelResolver = getModelResolver(request);
        Objects.requireNonNull(

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache</groupId>
    <artifactId>apache</artifactId>
    <version>3</version>
    <relativePath>../asf/pom.xml</relativePath>
  </parent>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-parent</artifactId>
  <version>5</version>
  <packaging>pom</packaging>
  <name>Apache Maven</name>

        assertEquals("https://parent.url/child", pom.getValue("url"));
        assertEquals("https://parent.url/org", pom.getValue("organization/url"));
        assertEquals("https://parent.url/license.txt", pom.getValue("licenses[1]/url"));
        assertEquals("https://parent.url/viewvc/child", pom.getValue("scm/url"));
        assertEquals("https://parent.url/scm/child", pom.getValue("scm/connection"));

        sh "ls -lrt ${env.WORKSPACE}/apache-maven/target/"
        withEnv(["JAVA_HOME=${ tool "JDK 1.8 (latest)" }", "PATH+MAVEN=${tool 'Maven 3.6.3'}/bin:${env.JAVA_HOME}/bin"]) {
          sh "mvn clean install -V -B -Prun-its,embedded -Dmaven.test.failure.ignore -Dmaven.repo.local=${env.WORKSPACE}/repo -DmavenDistro=${env.WORKSPACE}/apache-maven/target/apache-maven-bin.zip"
        }
      }
    }
  }
  post {

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-parent</artifactId>
    <version>11</version>
    <relativePath>../pom/maven/pom.xml</relativePath>
  </parent>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven</artifactId>
  <version>3.0-SNAPSHOT</version>

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-parent</artifactId>
    <version>11</version>
    <relativePath>../pom/maven/pom.xml</relativePath>
  </parent>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven</artifactId>
  <version>3.0-SNAPSHOT</version>

        <!-- Parent Model                                                           -->
        <!-- ====================================================================== -->

        <field xdoc.separator="blank">
          <name>parent</name>
          <version>4.0.0+</version>
          <description>The location of the parent project, if one exists. Values from the parent

        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");

    /**
     * Merges the {@code source} location into the {@code target} location.
     *
     * @param target the target location
     * @param source the source location
     * @param sourceDominant the boolean indicating of {@code source} is dominant compared to {@code target}
     * @return the merged location
     */
    public static InputLocation merge(InputLocation target, InputLocation source, boolean sourceDominant) {

                        isAny(relocation.target.getGroupId()) ? null : relocation.target.getGroupId(),
                        isAny(relocation.target.getArtifactId()) ? null : relocation.target.getArtifactId(),
                        isAny(relocation.target.getClassifier()) ? null : relocation.target.getClassifier(),
                        isAny(relocation.target.getExtension()) ? null : relocation.target.getExtension(),