* Returns a filter for only the core artifacts.
     *
     * @return the artifact filter
     */
    ArtifactFilter getCoreArtifactFilter();

    /**
     * Exclude an extension artifact (doesn't affect getArtifactFilter's result, only getExtensionArtifactFilter).
     *
     * @param artifactId an artifact id
     * @deprecated use {@code META-INF/maven/extension.xml} to define artifacts exported by Maven core and plugin

    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);

    MavenSession getMavenSession();

    RepositorySystemSession getSession();

            String message, Artifact artifact, List<ArtifactRepository> remoteRepositories) {
        super(message, artifact, remoteRepositories);
    }

    public ArtifactNotFoundException(String message, Artifact artifact) {
        this(
                message,
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                artifact.getType(),

        Artifact artifact = createArtifact(artifactId, version);

        createArtifact(artifact, remoteRepository());

        return artifact;
    }

    protected void createLocalArtifact(Artifact artifact) throws Exception {
        createArtifact(artifact, localRepository());
    }

    protected void createRemoteArtifact(Artifact artifact) throws Exception {

        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertTrue(map.size() > 0, "No Artifacts");
        assertTrue(map.size() == 3, "Set size should be 3, is " + map.size());

        Artifact a = (Artifact) map.get("maven-test:t10-a");
        Artifact b = (Artifact) map.get("maven-test:t10-b");
        Artifact c = (Artifact) map.get("maven-test:t10-c");

        assertNotNull(a);

    public void addArtifact(Artifact artifact) {
        if (artifacts == null) {
            artifacts = new LinkedHashSet<>();
        }

        artifacts.add(artifact);
    }

    public Set<Artifact> getArtifacts() {
        if (artifacts == null) {
            artifacts = new LinkedHashSet<>();
        }

        return artifacts;
    }

    public void setArtifacts(Set<Artifact> artifacts) {

import org.apache.maven.api.metadata.Versioning;
import org.eclipse.aether.artifact.Artifact;

/**
 * Maven local GAV level metadata.
 */
final class LocalSnapshotMetadata extends MavenMetadata {

    private final Collection<Artifact> artifacts = new ArrayList<>();

    LocalSnapshotMetadata(Artifact artifact, Date timestamp) {
        super(createMetadata(artifact), (Path) null, timestamp);
    }

        super(message, artifact, remoteRepositories);
    }

    public ArtifactResolutionException(String message, Artifact artifact, Throwable cause) {
        super(message, artifact, null, cause);
    }

    public ArtifactResolutionException(
            String message, Artifact artifact, List<ArtifactRepository> remoteRepositories, Throwable cause) {

            Map<String, ClassLoader> foreignImports,
            List<Artifact> artifacts) {
        List<ClassRealmConstituent> constituents = new ArrayList<>(artifacts == null ? 0 : artifacts.size());

        if (artifacts != null && !artifacts.isEmpty()) {
            for (Artifact artifact : artifacts) {
                if (!isProvidedArtifact(artifact) && artifact.getFile() != null) {

    public static Map<String, String> beanToMap(final Artifact artifact) {
        final Map<String, String> item = new HashMap<>();
        item.put("type", artifact.getType().getId());
        item.put("id", artifact.getName() + ":" + artifact.getVersion());
        item.put("name", artifact.getName());
        item.put("version", artifact.getVersion());
        item.put("url", artifact.getUrl());
        return item;
    }