assertEquals("fff", s36, "7");
        String s35 = props2.getProperty("g");
        assertEquals("g", s35, "8");
        String s34 = props2.getProperty("h h");
        assertEquals("", s34, "9");
        String s33 = props2.getProperty(" ");
        assertEquals("i=i", s33, "10");
        String s32 = props2.getProperty("j");
        assertEquals("   j", s32, "11");

        systemProperties.setProperty(Constants.MAVEN_BUILD_VERSION, mavenBuildVersion);

        Path mavenConf;
        if (systemProperties.getProperty(Constants.MAVEN_INSTALLATION_CONF) != null) {
            mavenConf = context.installationDirectory.resolve(
                    systemProperties.getProperty(Constants.MAVEN_INSTALLATION_CONF));
        } else if (systemProperties.getProperty("maven.conf") != null) {

                or(paths::getProperty, prefix("cli.", commandLine::getOptionValue), systemProperties::getProperty);

        Path mavenConf;
        if (systemProperties.getProperty(MAVEN_INSTALLATION_CONF) != null) {
            mavenConf = fileSystem.getPath(systemProperties.getProperty(MAVEN_INSTALLATION_CONF));
        } else if (systemProperties.getProperty("maven.conf") != null) {

     */
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

    /**
     * The OA architecture.
     */
    public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);

    /**
     * The OS version.
     */
    public static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.ENGLISH);

    /**

        originalSystemProperty = System.getProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL);
        // Clear system property to test configuration file loading
        System.clearProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL);
    }

    @AfterEach
    void tearDown() {
        // Restore original system property
        if (originalSystemProperty != null) {

        Model childModel = new Model();
        childModel.setArtifactId("artifact");

        MavenProject childProject = new MavenProject(childModel);

        File childFile = new File(
                System.getProperty("java.io.tmpdir"),
                "maven-project-tests" + System.currentTimeMillis() + "/child/pom.xml");

        childProject.setFile(childFile);

            Profile profile = SettingsUtils.convertFromSettingsProfile(rawProfile);
            config.addProfile(profile);
        }

        String localRepoPath = System.getProperty(
                "maven.repo.local",
                System.getProperty("user.home") + File.separator + ".m2" + File.separator + "repository");
        Path absolutePath = Paths.get(localRepoPath).toAbsolutePath();

 * under the License.
 */
package org.apache.maven.cling.invoker.mvn;

public final class Environment {
    private Environment() {}

    public static final String TOOLBOX_VERSION = System.getProperty("version.toolbox", "UNSET version.toolbox");

        getLogger().debug("Searching for " + key + " in resolution tracking file.");

        Properties props = read(touchfile);
        if (props != null) {
            String rawVal = props.getProperty(key);
            if (rawVal != null) {
                try {
                    return new Date(Long.parseLong(rawVal));
                } catch (NumberFormatException e) {

        requireNonNull(properties, "properties");
        HashMap<String, String> map = new HashMap<>();
        for (String key : properties.stringPropertyNames()) {
            map.put(key, properties.getProperty(key));
        }
        return map;
    }

    @Nonnull
    public static Properties toProperties(Map<String, String> properties) {
        requireNonNull(properties, "properties");