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(@Nonnull Project project) {

import org.apache.maven.api.services.ArtifactManager;
import org.apache.maven.impl.DefaultArtifact;
import org.apache.maven.impl.InternalSession;
import org.apache.maven.project.MavenProject;
import org.eclipse.sisu.Typed;

import static java.util.Objects.requireNonNull;

/**
 * This implementation of {@code ArtifactManager} is explicitly bound to

    private Path artifactPath;

    @Test
    void attachArtifact() {
        InternalMavenSession session = Mockito.mock(InternalMavenSession.class);
        ArtifactManager artifactManager = Mockito.mock(ArtifactManager.class);
        MavenProject mavenProject = new MavenProject();
        project = new DefaultProject(session, mavenProject);
        artifact = Mockito.mock(ProducedArtifact.class);

import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.SimpleLookup;
import org.apache.maven.api.ProducedArtifact;
import org.apache.maven.api.services.ArtifactManager;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.SwitchableMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;

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;

import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
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;

     * 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);
    }

    /**

    /**
     * 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)
     */