private String basedir;

    private Properties properties;

    public PluginParameterExpressionEvaluator(MavenSession session) {
        this(session, null);
    }

    public PluginParameterExpressionEvaluator(MavenSession session, MojoExecution mojoExecution) {
        this.session = session;
        this.mojoExecution = mojoExecution;
        this.properties = new Properties();
        this.project = session.getCurrentProject();

    }

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been
     * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
     * line.
     *
     * @return The user properties, never {@code null}.
     */
    public Properties getUserProperties() {
        return request.getUserProperties();

        Object value = ee.evaluate(expr);

        assertEquals(expr, value);
    }

    @Test
    void testPOMPropertyExtractionWithMissingProject_WithDotNotation() throws Exception {
        String key = "m2.name";
        String checkValue = "value";

        Properties properties = new Properties();
        properties.setProperty(key, checkValue);

        Object value = ee.evaluate("${" + key + "}");

        assertEquals(checkValue, value);
    }

    @Test
    public void testValueExtractionFromSystemPropertiesWithMissingProject() throws Exception {
        String sysprop = "PPEET_sysprop1";

        Properties executionProperties = new Properties();

     * <ul>
     *     <li>System properties (lowest precedence)</li>
     *     <li>Project properties (optional)</li>
     *     <li>User properties (highest precedence)</li>
     * </ul>
     * Note: Project properties contains properties injected from profiles, if applicable. Their precedence is
     * {@code profile > project}, hence active profile property may override project property.
     * <p>

        private final Instant startTime;
        private final Map<String, String> properties;

        BuildTimestampValueSource(Instant startTime, Map<String, String> properties) {
            super(false);
            this.startTime = startTime;
            this.properties = properties;
        }

        @Override
        public Object getValue(String expression) {

        Path userHome = Paths.get(properties.get("user.home"));
        Path mavenUserHome = userHome.resolve(".m2");
        Path mavenSystemHome = properties.containsKey("maven.home")
                ? Paths.get(properties.get("maven.home"))
                : properties.containsKey("env.MAVEN_HOME") ? Paths.get(properties.get("env.MAVEN_HOME")) : null;

        return createMavenSession(pom, new Properties());
    }

    protected MavenSession createMavenSession(File pom, Properties executionProperties) throws Exception {
        return createMavenSession(pom, executionProperties, false);
    }

    protected MavenSession createMavenSession(File pom, Properties executionProperties, boolean includeModules)
            throws Exception {

     */
    @Deprecated
    public Model interpolate(Model model, Map<String, ?> context, boolean strict) throws ModelInterpolationException {
        Properties props = new Properties();
        props.putAll(context);

        return interpolate(model, null, new DefaultProjectBuilderConfiguration().setExecutionProperties(props), true);
    }

            activation.packaging(settingsActivation.getPackaging());

            profile.activation(activation.build());
        }

        profile.properties(settingsProfile.getProperties());
        profile.location("properties", toLocation(settingsProfile.getLocation("properties")));

        List<Repository> repos = settingsProfile.getRepositories();
        if (repos != null) {
            profile.repositories(repos.stream()