if (userProperties == null) {
            userProperties = new Properties();
        }

        return userProperties;
    }

    @Override
    public DefaultModelBuildingRequest setUserProperties(Properties userProperties) {
        if (userProperties != null) {
            this.userProperties = new Properties();
            this.userProperties.putAll(userProperties);
        } else {

    }

    public Properties getUserProperties() {
        return userProperties;
    }

    public Properties getSystemProperties() {
        return systemProperties;
    }

    public MavenExecutionRequest getRequest() {
        return request;
    }

    public void setUserProperties(Properties properties) {
        this.userProperties.putAll(properties);
    }

    public Path getRootDirectory() {

    }

    private static boolean doGet(Properties userProperties, String key, boolean def) {
        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

            this.systemProperties = systemProperties;
            return this;
        }

        public ModelBuilderRequestBuilder userProperties(Map<String, String> userProperties) {
            this.userProperties = userProperties;
            return this;
        }

        public ModelBuilderRequestBuilder repositoryMerging(RepositoryMerging repositoryMerging) {

    public Properties getUserProperties() {
        if (userProperties == null) {
            userProperties = new Properties();
        }

        return userProperties;
    }

    @Override
    public DefaultSettingsBuildingRequest setUserProperties(Properties userProperties) {
        if (userProperties != null) {
            this.userProperties = new Properties();

        this.cwd = requireNonNull(cwd);
        this.installationDirectory = requireNonNull(installationDirectory);
        this.userHomeDirectory = requireNonNull(userHomeDirectory);
        this.userProperties = requireNonNull(userProperties);
        this.systemProperties = requireNonNull(systemProperties);
        this.topDirectory = requireNonNull(topDirectory);
        this.rootDirectory = rootDirectory;

        this.in = in;

     * line.
     *
     * @param userProperties The user properties, may be {@code null}.
     * @return This context, never {@code null}.
     */
    public DefaultProfileActivationContext setUserProperties(Map<String, String> userProperties) {
        this.userProperties = unmodifiable(userProperties);
        return this;
    }

    @Override
    public File getProjectDirectory() {
        return projectDirectory;
    }

        }
        Path propertiesFile = mavenConf.resolve("maven.properties");
        MavenPropertiesLoader.loadProperties(userProperties, propertiesFile, callback, false);

        // CLI specified properties are most dominant
        userProperties.putAll(userSpecifiedProperties);

        return toMap(userProperties);
    }

    protected abstract List<O> parseCliOptions(LocalContext context) throws ParserException, IOException;

        activator = null;
    }

    protected ProfileActivationContext newContext(final Properties userProperties, final Properties systemProperties) {
        DefaultProfileActivationContext context = new DefaultProfileActivationContext();
        return context.setUserProperties(userProperties).setSystemProperties(systemProperties);
    }

    }

    public ProjectBuilderConfiguration setUserProperties(Properties userProperties) {
        this.userProperties = userProperties;
        return this;
    }

    public Properties getUserProperties() {
        if (userProperties == null) {
            userProperties = new Properties();
        }

        return userProperties;
    }

    public Properties getExecutionProperties() {