*/
    void addOutputDirectory(Path main, Path test, PathModularizationCache cache) throws IOException {
        if (outputModules != null) {
            throw new IllegalStateException("Output directories must be set first and only once.");
        }
        if (main != null) {
            outputModules = cache.getModuleInfo(main);
            addPathElement(outputModules.getPathType(), main);
        } else {

     * @param scope the scope, i.e. usually main or test
     * @param sourceRoot the new source root
     */
    void addCompileSourceRoot(@Nonnull Project project, @Nonnull ProjectScope scope, @Nonnull Path sourceRoot);

    /**
     * Get the list of resources for the given project and scope
     *
     * @param project the project
     * @param scope the scope, i.e. usually main or test
     * @return the list of resources

            </goals>
            <configuration>
              <version>4.1.0</version>
              <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
              <models>
                <model>src/main/mdo/maven.mdo</model>
              </models>
              <templates>
                <template>model.vm</template>
              </templates>
              <params>

    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
    <scriptSourceDirectory>${project.basedir}/src/main/scripts</scriptSourceDirectory>
    <testSourceDirectory>${project.basedir}/src/test/java</testSourceDirectory>
    <resources>
      <resource>
        <directory>${project.basedir}/src/main/resources</directory>
      </resource>
      <resource>

        @Inject
        public DefaultPathScopeRegistry(List<PathScopeProvider> providers) {
            super(
                    providers,
                    PathScope.MAIN_COMPILE,
                    PathScope.MAIN_RUNTIME,
                    PathScope.TEST_COMPILE,
                    PathScope.TEST_RUNTIME);
        }
    }

    @Named
    @SessionScoped

    /**
     * Shortcut for {@code getService(DependencyResolver.class).flatten(...)}.
     *
     * @param node node for which to get a flattened list
     * @param scope build path scope (main compile, test compile, etc.) of desired nodes
     * @return flattened list of node with the given build path scope
     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency flattening failed
     *

        assertPathSuffixEquals("src/main/filter/it.properties", pom.getValue("build/filters[1]"));

        assertEquals(1, ((List<?>) pom.getValue("build/resources")).size());
        assertPathSuffixEquals("res/main", pom.getValue("build/resources[1]/directory"));
        assertPathSuffixEquals("main", pom.getValue("build/resources[1]/targetPath"));

        Node root = session.collectDependencies(artifact);
        assertNotNull(root);

        DependencyResolverResult result =
                session.getService(DependencyResolver.class).resolve(session, project, PathScope.MAIN_RUNTIME);
        assertNotNull(result);
        List<Dependency> deps = new ArrayList<>(result.getDependencies().keySet());
        List<Dependency> deps2 = result.getNodes().stream()
                .map(Node::getDependency)

                Stream.concat(
                        // pom artifact
                        Stream.of(new ProjectArtifact(project)),
                        // main project artifact if not a pom
                        "pom".equals(project.getPackaging()) ? Stream.empty() : Stream.of(project.getArtifact())),
                // attached artifacts

            files associated with a project. These resources are often included in the final
            package.
            The default value is {@code src/main/resources}.
          </description>
          <association>
            <type>Resource</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field>