assertCollectorState(0, 0, 0, collector);

        assertEquals("3.8.1", (out.getDependencies().get(0)).getVersion());
    }

    @Test
    public void testShouldNotInterpolateDependencyVersionWithInvalidReference() throws Exception {
        Model model = new Model(org.apache.maven.api.model.Model.newBuilder()

                CoreExtension conflict = selectedExtensions.putIfAbsent(key, coreExtension);
                if (conflict != null && !Objects.equals(coreExtension.getVersion(), conflict.getVersion())) {
                    conflicts.add(String.format(
                            "Conflicting extension %s: %s vs %s",
                            key,

            try {
                Model model = read(project.getFile().toPath());
                String version = model.getVersion();
                if (version == null && model.getParent() != null) {
                    version = model.getParent().getVersion();
                }
                String newVersion;
                if (version != null) {

            groupId = model.getParent().getGroupId();
        }

        String artifactId = model.getArtifactId();

        String version = model.getVersion();
        if (version == null && model.getParent() != null) {
            version = model.getParent().getVersion();
        }
        if (version == null) {
            version = "[unknown-version]";
        }

        return toId(groupId, artifactId, version);
    }

        this.version = Objects.requireNonNull(version, "version cannot be null");
    }

    public Severity getSeverity() {
        return severity;
    }

    public Version getVersion() {
        return version;
    }

    public Exception getException() {
        return exception;
    }

    public ModelProblemCollectorRequest setException(Exception exception) {

    private MavenProject project;

    public ProjectArtifact(MavenProject project) {
        super(
                project.getGroupId(),
                project.getArtifactId(),
                project.getVersion(),
                null,
                "pom",
                null,
                new PomArtifactHandler());
        this.project = project;
        setFile(project.getFile());
        setResolved(true);

            if (key.equals(check.getKey())) {
                plugin = check;
                break;
            }
        }

        assertNotNull(plugin);

        assertEquals("1.0", plugin.getVersion());

        XmlNode configuration = plugin.getDelegate().getConfiguration();

        assertEquals(
                "src/conf/plexus.conf",
                configuration.child("plexusConfiguration").value());

                var managedDependency = managedDependencies.get(key);
                if (managedDependency != null) {
                    if (dependency.getVersion() == null && managedDependency.getVersion() != null) {
                        dependency = dependency.withVersion(managedDependency.getVersion());
                    }
                    if (dependency.getScope() == null && managedDependency.getScope() != null) {

        String realmId = "coreExtension>" + extension.getGroupId() + ":" + extension.getArtifactId() + ":"
                + extension.getVersion();
        final ClassRealm realm = classWorld.newRealm(realmId, null);
        Set<String> providedArtifacts = Collections.emptySet();
        String classLoadingStrategy = extension.getClassLoadingStrategy();

                    .text(coreExtension.getArtifactId())
                    .endTag(NAMESPACE, "artifactId");
        }
        if (coreExtension.getVersion() != null) {
            serializer
                    .startTag(NAMESPACE, "version")
                    .text(coreExtension.getVersion())
                    .endTag(NAMESPACE, "version");
        }
        if ((coreExtension.getClassLoadingStrategy() != null)