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)
 */

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;

     * 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)
     */