MavenProperties properties;
        if (props instanceof MavenProperties mavenProperties) {
            properties = mavenProperties;
        } else {
            properties = new MavenProperties();
            properties.putAll(props);
        }
        return update(properties);
    }

    public boolean update(MavenProperties properties) {
        boolean modified = false;

        MavenProperties properties;
        if (props instanceof MavenProperties mavenProperties) {
            properties = mavenProperties;
        } else {
            properties = new MavenProperties();
            properties.putAll(props);
        }
        return update(properties);
    }

    public boolean update(MavenProperties properties) {
        boolean modified = false;

    private MavenProperties properties;

    static final String TEST_PROPERTIES = """
                #
                # test.properties
                # Used in the PropertiesTest
                #
                test=test
                """;

    @BeforeEach
    public void setUp() throws Exception {
        properties = new MavenProperties();