@BeforeEach
    void setUp() throws Exception {
        configurator = new DefaultBeanConfigurator();
    }

    @AfterEach
    void tearDown() throws Exception {
        configurator = null;
    }

    private Xpp3Dom toConfig(String xml) {
        try {
            return new Xpp3Dom(XmlNodeStaxBuilder.build(
                    new StringReader("<configuration>" + xml + "</configuration>"),

    @Override
    public Version parseVersion(String version) {
        requireNonNull(version, "version");
        return new DefaultVersion(versionScheme, version);
    }

    @Override
    public VersionRange parseVersionRange(String range) {
        requireNonNull(range, "range");
        return new DefaultVersionRange(versionScheme, range);
    }

    @Override
    public boolean isSnapshot(String version) {

        MavenExecutionRequest req = new DefaultMavenExecutionRequest();
        when(session.getRequest()).thenReturn(req);
        Map<String, List<ToolchainModel>> groupedToolchains = new HashMap<>();
        req.setToolchains(groupedToolchains);

        List<ToolchainModel> basicToolchains = new ArrayList<>();
        ToolchainModel basicToolchainModel = new ToolchainModel();
        basicToolchainModel.setType("basic");

        // v1-->v2
        graph.addEdge(v1, v2, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v2, new MetadataGraphEdge("1.2", true, null, null, 2, 2));

        // v1-->v3
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.2", true, null, null, 4, 2));

        // v3-->v4

        if (interpolatedModel.getParent() != null) {
            StringSearchInterpolator ssi = new StringSearchInterpolator();
            ssi.addValueSource(new MapBasedValueSource(request.getSession().getUserProperties()));
            ssi.addValueSource(new MapBasedValueSource(model.getProperties()));
            ssi.addValueSource(new MapBasedValueSource(request.getSession().getSystemProperties()));
            try {

            throw new IllegalArgumentException("path, url, reader or inputStream must be non null");
        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {
                source = new InputSource(request.getModelId(), request.getLocation());
            }
            MavenStaxReader xml = new MavenStaxReader();

        if (writer == null && outputStream == null && path == null) {
            throw new IllegalArgumentException("writer, outputStream or path must be non null");
        }
        try {
            if (writer != null) {
                new MavenStaxWriter().write(writer, content);
            } else if (outputStream != null) {
                new MavenStaxWriter().write(outputStream, content);
            } else {

        Set<String> scopesToCollect = new TreeSet<>();
        Set<String> scopesToResolve = new TreeSet<>();

        collectDependencyRequirements(scopesToResolve, scopesToCollect, mojoExecutions);

        return new DependencyContext(session.getCurrentProject(), scopesToCollect, scopesToResolve);
    }

                    Set<Binding<Object>> res3 = res2 != null ? new HashSet<>(res2) : new HashSet<>();
                    try {
                        List<Object> l = containerProvider
                                .get()
                                .lookupList(key.getTypeParameter(0).getRawType());
                        l.forEach(o -> res3.add(new Binding.BindingToInstance<>(o)));
                    } catch (Throwable e) {

            DefaultToolchainsBuildingRequest req = new DefaultToolchainsBuildingRequest();
            if (request.getGlobalToolchainsSource().isPresent()) {
                req.setGlobalToolchainsSource(new MappedToolchainsSource(
                        request.getGlobalToolchainsSource().get()));
            } else if (request.getGlobalToolchainsPath().isPresent()) {
                req.setGlobalToolchainsSource(new org.apache.maven.building.FileSource(