this.settingsBuilder = settingsBuilder;
    }

    public Settings buildSettings() throws IOException, XmlPullParserException {
        File userSettingsFile = getFile(
                "${user.home}/.m2/settings.xml", "user.home", MavenSettingsBuilder.ALT_USER_SETTINGS_XML_LOCATION);

        return buildSettings(userSettingsFile);
    }

                .append(ls);
        version.append(reduce(properties.getProperty("distributionShortName") + " home: "
                        + System.getProperty("maven.home", "<unknown Maven " + "home>")))
                .append(ls);
        version.append("Java version: ")
                .append(System.getProperty("java.version", "<unknown Java version>"))

    private static @NotNull List<Path> getJdkClassesRoots(@NotNull Path home, boolean isJre) {
        Path[] jarDirs;
        Path fileName = home.getFileName();
        if (fileName != null && "Home".equals(fileName.toString()) && Files.exists(home.resolve("../Classes/classes.jar"))) {
            Path libDir = home.resolve("lib");
            Path classesDir = home.resolveSibling("Classes");
            Path libExtDir = libDir.resolve("ext");

    public static class AdditionState {
        List<Path> poms;

        @Setup(Level.Iteration)
        public void setUp() throws IOException {
            Path userHome = Paths.get(System.getProperty("user.home"));
            poms = Files.walk(userHome.resolve(".m2/repository/org/apache/maven"))
                    .filter(p -> p.getFileName().toString().endsWith(".pom"))
                    .collect(Collectors.toList());
        }

        if (Files.exists(normal)) {
            jtc.setJavaHome(Paths.get(javahome.getValue()).normalize().toString());
        } else {
            throw new MisconfiguredToolchainException(
                    "Non-existing JDK home configuration at " + normal.toAbsolutePath());
        }

        return jtc;
    }

    public ToolchainPrivate createDefaultToolchain() {
        // not sure it's necessary to provide a default toolchain here.

    @Test
    void testSystemScopeDependencyIsPresentInTheCompileClasspathElements() throws Exception {
        File pom = getProject("it0063");

        Properties eps = new Properties();
        eps.setProperty("jre.home", new File(pom.getParentFile(), "jdk/jre").getPath());

        MavenSession session = createMavenSession(pom, eps);
        MavenProject project = session.getCurrentProject();

    }

    @Test
    void testPreservationOfDoubleSlashes() {
        assertEquals("scm:hg:ssh://localhost//home/user", normalize("scm:hg:ssh://localhost//home/user"));
        assertEquals("file:////UNC/server", normalize("file:////UNC/server"));
        assertEquals(
                "[fetch=]http://server.org/[push=]ssh://server.org/",

            config.addProfile(profile);
        }

        String localRepoUrl =
                System.getProperty("maven.repo.local", System.getProperty("user.home") + "/.m2/repository");
        localRepoUrl = "file://" + localRepoUrl;
        config.setLocalRepository(repositorySystem.createArtifactRepository(

                if (mavenArtifactJar.matcher(filename).matches()) {
                    Process p = Runtime.getRuntime().exec(new String[] {
                        Paths.get(System.getProperty("java.home"), "bin/java").toString(),
                        "-jar",
                        file.toAbsolutePath().toString(),
                        "5.32",
                        "5.27"
                    });

        }

        if (localRepositoryPath == null || localRepositoryPath.isEmpty()) {
            localRepositoryPath = new File(System.getProperty("user.home"), ".m2/repository").getAbsolutePath();
        }

        try {
            return repositorySystem.createLocalRepository(new File(localRepositoryPath));
        } catch (Exception e) {