return Collections.unmodifiableList(artifacts);
    }

    private Map<String, ClassLoader> calcImports(MavenProject project, ClassLoader parent, List<String> imports) {
        Map<String, ClassLoader> foreignImports = new HashMap<>();

        ClassLoader projectRealm = project.getClassRealm();
        if (projectRealm != null) {

        } else {
            trackingDir = event.getFile().getParentFile().toPath().resolve(".tracking");
        }

        String baseName;
        String ext = missing ? ".miss" : ".dep";
        Path trackingFile = null;

        String indent = "";
        ArrayList<String> trackingData = new ArrayList<>();

        if (collectStepTrace == null && plugin != null) {
            ext = ".plugin";

    private static final String PREFIX_PROJECT = "project.";
    private static final String PREFIX_POM = "pom.";
    private static final List<String> PROJECT_PREFIXES_3_1 = Arrays.asList(PREFIX_POM, PREFIX_PROJECT);
    private static final List<String> PROJECT_PREFIXES_4_0 = Collections.singletonList(PREFIX_PROJECT);

    private static final Collection<String> TRANSLATED_PATH_EXPRESSIONS;

    static {

    // groupId -> (artifactId -> (version -> project)))
    private Map<String, Map<String, Map<String, MavenProject>>> projects;
    private Map<String, Map<String, Map<String, MavenProject>>> allProjects;
    private Path projectLocalRepository;
    // projectId -> Deque<lifecycle>
    private final Map<String, Deque<String>> lifecycles = new ConcurrentHashMap<>();

    @Inject
    ReactorReader(MavenSession session) {

            return DEFAULT_VALIDATION_LEVEL;
        }
    }

    private String pluginKey(String groupId, String artifactId, String version) {
        return groupId + ":" + artifactId + ":" + version;
    }

    private String pluginKey(MojoDescriptor mojoDescriptor) {
        PluginDescriptor pd = mojoDescriptor.getPluginDescriptor();

     *
     * @see org.apache.maven.api.services.ArtifactCoordinateFactory#create(Session, String, String, String, String, String, String)
     */
    @Nonnull
    ArtifactCoordinate createArtifactCoordinate(
            String groupId, String artifactId, String version, String classifier, String extension, String type);

    /**
     * Shortcut for {@code getService(ArtifactFactory.class).create(...)}.
     *

    }

    public Artifact createArtifact(String groupId, String artifactId, String version, String packaging) {
        return artifactFactory.createBuildArtifact(groupId, artifactId, version, packaging);
    }

    public Artifact createArtifactWithClassifier(
            String groupId, String artifactId, String version, String type, String classifier) {

        }

        public String getRemoteFilename() {
            return metadata.getType();
        }

        public String getLocalFilename(ArtifactRepository repository) {
            return insertRepositoryKey(getRemoteFilename(), repository.getKey());
        }

        private String insertRepositoryKey(String filename, String repositoryKey) {
            String result;

     * 1.0.0.X1 < 1.0.0-X2 for any string X
     */
    @Test
    void testMng7644() {
        for (String x : new String[] {"abc", "alpha", "a", "beta", "b", "def", "milestone", "m", "RC"}) {
            // 1.0.0.X1 < 1.0.0-X2 for any string x
            checkVersionsOrder("1.0.0." + x + "1", "1.0.0-" + x + "2");
            // 2.0.X == 2-X == 2.0.0.X for any string x

        }
    }

    private Collection<String> toScopes(String classpath) {
        Collection<String> scopes = Collections.emptyList();

        if (classpath != null && !classpath.isEmpty()) {
            if (Artifact.SCOPE_COMPILE.equals(classpath)) {
                scopes = Arrays.asList(Artifact.SCOPE_COMPILE, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_PROVIDED);