import org.apache.maven.api.Service;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 *
 * @since 4.0.0
 */
@Experimental
public interface ArtifactManager extends Service {

    /**
     * Returns the path of the file previously associated to this artifact
     * or {@code Optional.empty()} if no path has been associated.
     */
    @Nonnull

 * {@link org.apache.maven.api.services.ArtifactManager ArtifactManager} service must be used
 * to point the artifact to a {@link Path} during the packaging phase.</p>
 *
 * @since 4.0.0
 * @see Project#getMainArtifact()
 * @see Project#getPomArtifact()
 * @see org.apache.maven.api.services.ProjectManager#attachArtifact(Session, Project, Path)
 * @see org.apache.maven.api.services.ArtifactManager#setPath(ProducedArtifact, Path)
 */

    private final InternalMavenSession session;
    private final ArtifactManager artifactManager;

    @Inject
    public DefaultProjectManager(InternalMavenSession session, ArtifactManager artifactManager) {
        this.session = session;
        this.artifactManager = artifactManager;
    }

    @Nonnull
    @Override
    public Optional<Path> getPath(Project project) {

import org.apache.maven.api.di.SessionScoped;
import org.apache.maven.api.services.ArtifactManager;
import org.apache.maven.project.MavenProject;
import org.eclipse.sisu.Typed;

import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Typed
@SessionScoped
public class DefaultArtifactManager implements ArtifactManager {

    @Nonnull
    private final InternalMavenSession session;

     * artifact, even if the existence of backing POM file is NOT a requirement (i.e. for some transient projects).
     *
     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    default ProducedArtifact getPomArtifact() {
        return getArtifacts().get(0);
    }

    /**

                }
            };
        }

        @Provides
        @SuppressWarnings("unused")
        static ArtifactManager newArtifactManager() {
            return new ArtifactManager() {
                private final Map<Artifact, Path> paths = new ConcurrentHashMap<>();

                @Override
                public Optional<Path> getPath(Artifact artifact) {

import org.apache.maven.api.cli.extensions.CoreExtension;
import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.services.ArtifactCoordinatesFactory;
import org.apache.maven.api.services.ArtifactManager;
import org.apache.maven.api.services.ArtifactResolver;
import org.apache.maven.api.services.Interpolator;
import org.apache.maven.api.services.InterpolatorException;
import org.apache.maven.api.services.RepositoryFactory;

    /**
     * Shortcut for {@code getService(ArtifactManager.class).setPath(...)}.
     *
     * @param artifact the artifact for which to associate a path
     * @param path path to associate to the given artifact
     *
     * @see org.apache.maven.api.services.ArtifactManager#setPath(ProducedArtifact, Path)
     */

     * all the artifact signed, etc.).
     * <p>
     * This method is shorthand for {@link Project#getArtifacts()} and {@link #getAttachedArtifacts(Project)} methods.
     *
     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    Collection<ProducedArtifact> getAllArtifacts(Project project);

    /**
     * Attaches an artifact to the project using the given file path. The artifact type will be