*/
    private final List<Node> nodes;

    /**
     * The file paths of all dependencies, regardless on which Java tool option those paths should be placed.
     */
    private final List<Path> paths;

    /**
     * The file paths of all dependencies, dispatched according the Java options where to place them.
     */
    private final Map<PathType, List<Path>> dispatchedPaths;

    /**

     * @see #getPackaging()
     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    default Optional<Artifact> getMainArtifact() {
        List<Artifact> artifacts = getArtifacts();
        return artifacts.size() == 2 ? Optional.of(artifacts.get(1)) : Optional.empty();
    }

    /**
     * Returns the project artifacts as immutable list. Elements are the project POM artifact and the artifact

     */
    final boolean optional;

    ActivationSettings(final boolean active, final boolean optional) {
        this.active = active;
        this.optional = optional;
    }

    static ActivationSettings of(final boolean active, final boolean optional) {
        if (optional) {
            return active ? ACTIVATION_OPTIONAL : DEACTIVATION_OPTIONAL;
        } else {

            pomPath = context.locate(pomPath);
        }

        if (pomPath == null || !Files.isRegularFile(pomPath)) {
            return Optional.empty();
        }

        Optional<RelativeProject> mappedProject = Optional.ofNullable(context.getRawModel(pomFile, pomPath.normalize()))
                .map(BuildModelTransformer::toRelativeProject);

        if (mappedProject.isPresent()) {

                @Nonnull
                @Override
                public Optional<Path> getPomFile() {
                    return Optional.ofNullable(res.getPomFile()).map(File::toPath);
                }

                @Nonnull
                @Override
                public Optional<Project> getProject() {
                    return Optional.ofNullable(res.getProject()).map(session::getProject);
                }

                    return session.parseVersion(res.getVersion());
                }

                @Override
                public Optional<Repository> getRepository() {
                    if (res.getRepository() instanceof org.eclipse.aether.repository.LocalRepository) {
                        return Optional.of(new DefaultLocalRepository(
                                (org.eclipse.aether.repository.LocalRepository) res.getRepository()));

                }

                @Override
                public Optional<Repository> getRepository(Version version) {
                    ArtifactRepository repo = repos.get(version.toString());
                    if (repo instanceof org.eclipse.aether.repository.LocalRepository) {
                        return Optional.of(

        this.artifactManager = artifactManager;
    }

    @Nonnull
    @Override
    public Optional<Path> getPath(Project project) {
        Optional<Artifact> mainArtifact = project.getMainArtifact();
        if (mainArtifact.isPresent()) {
            return artifactManager.getPath(mainArtifact.get());
        }
        return Optional.empty();
    }

    @Nonnull
    @Override

                    .collect(Collectors.toUnmodifiableMap(t -> t.id().toLowerCase(Locale.ROOT), t -> t));
        }

        @Override
        public Optional<T> lookup(String id) {
            return Optional.ofNullable(values.get(nonNull(id, "id").toLowerCase(Locale.ROOT)));
        }
    }

  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t05-d</artifactId>
      <version>1.1</version>
      <type>jar</type>
      <scope>compile</scope>
      <optional>true</optional>
    </dependency>
  </dependencies>