when(artifact2.getVersion()).thenReturn("1");
        artifacts.add(artifact2);

        return artifacts;
    }

    private Model newTestModel() {
        Model model = new Model();
        model.setGroupId("modelGroup1");
        model.setArtifactId("modelArtifact1");
        model.setVersion("modelVersion1");

        return model;
    }

    @Test

            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);
    }

                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) {

    }

    protected void mergeModel_Version(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getVersion();
        if (src != null) {
            if (sourceDominant || target.getVersion() == null) {
                target.setVersion(src);
                target.setLocation("version", source.getLocation("version"));
            }
        }
    }

    public PluginDescriptor() {}

    public PluginDescriptor(PluginDescriptor original) {
        this.setGroupId(original.getGroupId());
        this.setArtifactId(original.getArtifactId());
        this.setVersion(original.getVersion());
        this.setGoalPrefix(original.getGoalPrefix());
        this.setInheritedByDefault(original.isInheritedByDefault());
        this.setName(original.getName());

        this(
                message,
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                artifact.getType(),
                artifact.getClassifier(),
                remoteRepositories,
                artifact.getDependencyTrail(),
                t);

        PluginDescriptor pd = build("/plugin.xml");

        assertEquals("org.apache.maven.plugins", pd.getGroupId());
        assertEquals("maven-jar-plugin", pd.getArtifactId());
        assertEquals("2.3-SNAPSHOT", pd.getVersion());
        assertEquals("jar", pd.getGoalPrefix());
        assertEquals("plugin-description", pd.getDescription());
        assertFalse(pd.isIsolatedRealm(), "Expected " + pd + ".isIsolatedRealm() to return false");

                p.getActivation().getOs().getName(),
                clone.getActivation().getOs().getName());
        assertEquals(
                p.getActivation().getOs().getVersion(),
                clone.getActivation().getOs().getVersion());
        assertEquals(p.getActivation().getPackaging(), clone.getActivation().getPackaging());
        assertEquals(p.getProperties(), clone.getProperties());

        // does nothing
    }

    DefaultPluginVersionResult(String version) {
        this.version = version;
    }

    @Override
    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

    @Override
    public ArtifactRepository getRepository() {
        return repository;
    }

            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) {