}

    /**
     * The groupId of the artifact.
     *
     * @return the groupId
     */
    @Nonnull
    String getGroupId();

    /**
     * The artifactId of the artifact.
     *
     * @return the artifactId
     */
    @Nonnull
    String getArtifactId();

    /**
     * The version of the artifact.
     *
     * @return the version
     */
    @Nonnull

import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.artifact.versioning.VersionRange;

/**
 * Maven Artifact interface. Notice that it mixes artifact definition concepts (groupId, artifactId, version)
 * with dependency information (version range, scope).
 */
public interface Artifact extends Comparable<Artifact> {

    String RELEASE_VERSION = "RELEASE";

                // attached artifacts
                project.getAttachedArtifacts().stream());
        return artifacts.map(RepositoryUtils::toArtifact);
    }

    private boolean isRegularFile(Artifact artifact) {
        return artifact.getFile() != null && artifact.getFile().isFile();
    }

    private void installIntoProjectLocalRepository(Artifact artifact) {
        Path target = getArtifactPath(artifact);

    }

    public static Map<String, Artifact> artifactMapByVersionlessId(Collection<Artifact> artifacts) {
        Map<String, Artifact> artifactMap = new LinkedHashMap<>();

        if (artifacts != null) {
            for (Artifact artifact : artifacts) {
                artifactMap.put(versionlessKey(artifact), artifact);
            }
        }

        return artifactMap;
    }

     * @param artifact the artifact for which to get a path
     * @return path associated to the given artifact
     *
     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    Optional<Path> getArtifactPath(@Nonnull Artifact artifact);

    /**
     * Gets the relative path for a locally installed artifact. Note that the artifact need not actually exist yet at

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;

        return Metadata.newBuilder()
                .modelVersion("1.1.0")
                .groupId(artifact.getGroupId())
                .artifactId(artifact.getArtifactId())
                .version(artifact.getBaseVersion())
                .build();
    }

    public void bind(Artifact artifact) {
        artifacts.add(artifact);
    }

    public Object getKey() {

    }

    public String getPathForLocalArtifact(Artifact artifact) {
        if (realLocalRepo) {
            return delegate.pathOf(RepositoryUtils.toArtifact(artifact.setVersion(artifact.getBaseVersion())));
        }
        return delegate.pathOf(RepositoryUtils.toArtifact(artifact));
    }

    public String getPathForRemoteArtifact(Artifact artifact, RemoteRepository repository, String context) {

    org.eclipse.aether.graph.Dependency toDependency(DependencyCoordinate dependency, boolean managed);

    List<org.eclipse.aether.artifact.Artifact> toArtifacts(Collection<Artifact> artifacts);

    org.eclipse.aether.artifact.Artifact toArtifact(Artifact artifact);

    org.eclipse.aether.artifact.Artifact toArtifact(ArtifactCoordinate coord);

    RepositorySystemSession getSession();

    RepositorySystem getRepositorySystem();

        Artifact artifact = new DefaultArtifact(
                groupId, artifactId, VersionRange.createFromVersion("5.0"), scope, type, classifier, artifactHandler);
        assertTrue(artifact.compareTo(artifact1) == 0);
        assertTrue(artifact1.compareTo(artifact) == 0);
    }

    @Test
    void testNonResolvedVersionRangeConsistentlyYieldsNullVersions() throws Exception {