assertInstanceOf(Collection.class, value);

        @SuppressWarnings("unchecked")
        Collection<Artifact> artifacts = (Collection<Artifact>) value;

        assertEquals(1, artifacts.size());

        Artifact result = artifacts.iterator().next();

        assertEquals("org.myco.plugins", result.getGroupId());
    }

    @Test

                File reactorProjectFile = reactorProjects.get(artifact);
                if (reactorProjectFile != null) {
                    artifact.setFile(reactorProjectFile);
                }

                map.put(artifact.getDependencyConflictId(), artifact);
            }

            project.setResolvedArtifacts(resolvedArtifacts);

            for (Artifact artifact : project.getDependencyArtifacts()) {

            boolean optional);

    Artifact createBuildArtifact(String groupId, String artifactId, String version, String packaging);

    Artifact createProjectArtifact(String groupId, String artifactId, String version);

    Artifact createParentArtifact(String groupId, String artifactId, String version);

    Artifact createPluginArtifact(String groupId, String artifactId, VersionRange versionRange);

import java.io.File;
import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.InvalidRepositoryException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;

        assertNotNull(set, "No artifacts");
        assertFalse(set.isEmpty(), "No Artifacts");
        Iterator iter = set.iterator();
        assertTrue(set.size() == 4, "Set size should be 4, is " + set.size());

        while (iter.hasNext()) {
            Artifact artifact = (Artifact) iter.next();
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()

 * should be split. ie scope, file, etc depend on the context of use, whereas everything else is immutable.
 */
@Deprecated
public class ActiveProjectArtifact implements Artifact {
    private final Artifact artifact;

    private final MavenProject project;

    public ActiveProjectArtifact(MavenProject project, Artifact artifact) {
        this.artifact = artifact;
        this.project = project;

</distributionManagement>
    ]]></configuration>
    <description> This is the ArtifactRepository used to deploy artifacts built by this
      Maven.
    </description>
  </expression>
  <expression>
    <syntax>project.artifact</syntax>
    <configuration>
      <![CDATA[
<groupId>project.group</groupId>
<artifactId>project-artifact</artifactId>
<version>0.0.0.0</version>
<packaging>type</packaging>
    ]]></configuration>

public class ArtifactRepositoryMetadata extends AbstractRepositoryMetadata {
    private Artifact artifact;

    public ArtifactRepositoryMetadata(Artifact artifact) {
        this(artifact, null);
    }

    public ArtifactRepositoryMetadata(Artifact artifact, Versioning versioning) {
        super(createMetadata(artifact, versioning));
        this.artifact = artifact;
    }

    @Override
    public boolean storedInGroupDirectory() {

        logger.debug(indent + artifact + " (setting artifactScope to: " + scope + ")");
    }

    @Override
    public void selectVersionFromRange(Artifact artifact) {
        logger.debug(indent + artifact + " (setting version to: " + artifact.getVersion() + " from range: "
                + artifact.getVersionRange() + ")");
    }

    @Override

    /**
     * Creates an artifact.
     *
     * @param request the request holding artifact creation parameters
     * @return an {@code Artifact}, never {@code null}
     * @throws IllegalArgumentException if {@code request} is null or {@code request.session} is null or invalid
     */
    @Nonnull
    Artifact create(@Nonnull ArtifactFactoryRequest request);

    @Nonnull
    default Artifact create(