/**
 * Evaluator for plugin parameters expressions. Content surrounded by <code>${</code> and <code>}</code> is evaluated.
 * Recognized values are:
 * <table border="1">
 * <caption>Expression matrix</caption>
 * <tr><th>expression</th>                     <th></th>               <th>evaluation result</th></tr>

                        value = config.getAttribute("default-value", null);
                    }
                } catch (ExpressionEvaluationException e) {
                    String msg = "Error evaluating the expression '" + expression + "' for configuration value '"
                            + configuration.getName() + "'";
                    throw new ComponentConfigurationException(configuration, msg, e);
                }

        mavenSession.getRequest().setRootDirectory(path);
        DefaultModelBuildingRequest mbr = new DefaultModelBuildingRequest();

        PluginParameterExpressionEvaluatorV4 evaluator =
                new PluginParameterExpressionEvaluatorV4(mavenSession.getSession(), null);

        DefaultPlexusConfiguration configuration = new DefaultPlexusConfiguration("config");

        mavenSession.getRequest().setRootDirectory(path);
        DefaultModelBuildingRequest mbr = new DefaultModelBuildingRequest();

        PluginParameterExpressionEvaluator evaluator =
                new PluginParameterExpressionEvaluator(mavenSession, new MojoExecution(null));

        DefaultPlexusConfiguration configuration = new DefaultPlexusConfiguration("config");

            final ExpressionEvaluator evaluator,
            final ClassRealm realm,
            final ConfigurationListener listener)
            throws ComponentConfigurationException {
        try {
            ClassRealmConverter.pushContextRealm(realm);

            this.configureComponent(component, configuration, evaluator, (ClassLoader) realm, listener);
        } finally {

    }

    public <T> void seed(Class<T> clazz, final T value) {
        seed(clazz, (Provider<T>) () -> value);
    }

    public <T> Provider<T> scope(final Key<T> key, final Provider<T> unscoped) {
        // Lazy evaluating provider
        return () -> {
            if (values.isEmpty()) {
                return createProxy(key, unscoped);
            } else {
                return getScopeState().scope(key, unscoped).get();

                } else {
                    result = evaluator.evaluate(value);
                }
            }
            if (null == result && configuration.getChildCount() == 0) {
                value = configuration.getAttribute("default-value");
                if (null != value && !value.isEmpty()) {
                    if (evaluator instanceof TypeAwareExpressionEvaluator) {

         * because it can resolve ambiguities when a path could be of many types.
         *
         * @param pathTypeFilter predicate evaluating whether a path type should be included in the result
         * @return {@code this} for method call chaining
         */
        @Nonnull