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");

            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(

        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"));

    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) {

            pluginDescriptor.setArtifacts(pluginArtifacts);
        } else {
            Map<String, ClassLoader> foreignImports = calcImports(project, parent, imports);

            PluginRealmCache.Key cacheKey = pluginRealmCache.createKey(
                    plugin,
                    parent,
                    foreignImports,
                    filter,
                    project.getRemotePluginRepositories(),

    }

    /**
     * The event "artifact resolved" if fired WHENEVER an artifact is resolved, BUT it happens also when an artifact
     * descriptor (model, the POM) is being built, and parent (and parent of parent...) is being asked for. Hence, this
     * method "filters" out in WHICH artifact are we interested in, but it intentionally neglects extension as

    }

    protected ResolutionNode createResolutionNode(Artifact Artifact, ResolutionNode parent) {
        return new ResolutionNode(Artifact, Collections.<ArtifactRepository>emptyList(), parent);
    }

    }

    /**
     * Returns the project corresponding to a declared parent.
     *
     * @return the parent, or null if no parent is declared or there was an error building it
     */
    public MavenProject getParent() {
        return parent;
    }

    public void setParent(MavenProject parent) {
        this.parent = parent;
    }

    public boolean hasParent() {

 * under the License.
 */
package org.apache.maven.api.services.model;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelBuilderRequest;

/**
 * Normalizes URLs to remove the ugly parent references "../" that got potentially inserted by URL adjustment during
 * model inheritance.
 *
 */
public interface ModelUrlNormalizer {

    /**
     * Normalizes the well-known URLs of the specified model.

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * A test which demonstrates maven's recursive inheritance where
 * a distinct value is taken from each parent contributing to
 * the final model of the project being assembled. There is no
 * overriding going on amongst the models being used in this test:
 * each model in the lineage is providing a value that is not present