public MetadataGraph(MetadataGraphNode entry) {
        this();

        this.entry = entry;
    }

    public MetadataGraph() {
        nodes = new ArrayList<>(64);
    }

    public void addNode(MetadataGraphNode node) {
        nodes.add(node);
    }

    /**
     * find a node by the GAV (metadata)
     *
     * @param md
     */

    @Inject
    private ArtifactInstaller artifactInstaller;

    @Inject
    private SessionScope sessionScope;

    protected String component() {
        return "installer";
    }

    @Test
    void testArtifactInstallation() throws Exception {
        sessionScope.enter();
        try {
            sessionScope.seed(MavenSession.class, mock(MavenSession.class));

    @Inject
    public SessionScopeModule() {
        this(new SessionScope());
    }

    public SessionScopeModule(SessionScope scope) {
        this.scope = scope;
    }

    @Override
    protected void configure() {
        bindScope(SessionScoped.class, scope);
        // bindScope(org.apache.maven.api.di.SessionScoped.class, scope);
        bind(SessionScope.class).toInstance(scope);

        bind(MavenSession.class)

    ClassRealm getPluginRealm(MavenSession session, PluginDescriptor pluginDescriptor)
            throws PluginResolutionException, PluginManagerException;

    void executeMojo(MavenSession session, MojoExecution execution)
            throws MojoFailureException, MojoExecutionException, PluginConfigurationException, PluginManagerException;

        if (commandLine.hasOption(CLIManager.ALL)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public void displayHelp(ParserRequest request, Consumer<String> printStream) {
        super.displayHelp(request, printStream);
        printStream.accept("");
        // we have no DI here (to discover)

        "subprojects/launcher/src/main/resources/release-features.txt",
        "platforms/core-runtime/launcher/src/main/resources/release-features.txt"
    ]

    static void main(String[] args) {
        if (args.length != 1) {
            System.err.println("Usage: groovy CheckBadMerge.groovy <commits_file>")
            System.exit(1)
        }

    @Test
    void jimFs() throws Exception {
        try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
            invoke(fs.getPath("/cwd"), fs.getPath("/home"), List.of("verify"), List.of());
        }
    }

    /**
     * Same source (user or project extensions.xml) must not contain same GA with different V.
     */
    @Test
    void conflictingExtensionsFromSameSource(

        } else {
            this.acceptedApiChanges = Collections.emptySet();
        }
    }

    @Override
    @SuppressWarnings("unchecked")
    public void execute(ViolationCheckContext context) {
        Map<String, Object> userData = (Map<String, Object>) context.getUserData();
        userData.put("acceptedApiChanges", acceptedApiChanges);

abstract class FindGradleJars implements TransformAction<TransformParameters.None> {

    @PathSensitive(PathSensitivity.NAME_ONLY)
    @InputArtifact
    abstract Provider<FileSystemLocation> getArtifact()

    @Override
    void transform(TransformOutputs outputs) {
        File baselineJarsDirectory = artifact.get().asFile
        if (baselineJarsDirectory.name == 'gradle-jars') {
            baselineJarsDirectory.listFiles().each {

     * @param model The model to serialize, must not be {@code null}.
     * @throws IOException If the model could not be serialized.
     */
    void write(File output, Map<String, Object> options, Model model) throws IOException;

    /**
     * Writes the supplied model to the specified character writer. The writer will be automatically closed before the