return lifecycles.computeIfAbsent(project.getId(), k -> new ArrayDeque<>());
    }

    /**
     * Copy packaged and attached artifacts from this project to the
     * project local repository.
     * This allows a subsequent build to resume while still being able
     * to locate attached artifacts.
     *
     * @param project the project to copy artifacts from
     */

          <description>
            <![CDATA[
            The classifier of the dependency. It is appended to
            the filename after the version. This allows:
            <ul>
            <li>referring to attached artifact, for example {@code sources} and {@code javadoc}:
            see <a href="../maven-core/artifact-handlers.html">default artifact handlers</a> for a list,</li>
            <li>distinguishing two artifacts

    }

    public List<ArtifactVersion> getAvailableVersions() {
        return parent.getAvailableVersions();
    }

    public void setAvailableVersions(List<ArtifactVersion> availableVersions) {
        throw new UnsupportedOperationException("Cannot change the version information for an attached artifact."

                <phase>package</phase>
                <configuration>
                  <finalName>./</finalName>
                  <appendAssemblyId>false</appendAssemblyId>
                  <attach>false</attach>
                  <outputDirectory>${distributionTargetDir}</outputDirectory>
                  <descriptors>
                    <descriptor>src/assembly/dir.xml</descriptor>
                  </descriptors>

            File systemFile = artifact.getFile();

            if (systemFile == null) {
                throw new ArtifactNotFoundException("System artifact: " + artifact + " has no file attached", artifact);
            }

            if (!systemFile.exists()) {
                throw new ArtifactNotFoundException(

                    <plugin>
                        <artifactId>maven-source-plugin</artifactId>
                        <executions>
                            <execution>
                                <id>attach-sources</id>
                                <phase>prepare-package</phase>
                                <goals>
                                    <goal>jar-no-fork</goal>
                                </goals>

incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend...

            </configuration>
          </execution>
          <execution>
            <id>install</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>set</goal>
              <goal>attach-pom</goal>
              <goal>install</goal>
            </goals>
            <configuration>
              <mainFile>dependency-1.jar</mainFile>
            </configuration>
          </execution>

        InternalMavenSession session = ((DefaultProject) project).getSession();
        Collection<Artifact> attached = map(
                getMavenProject(project).getAttachedArtifacts(),
                a -> session.getArtifact(RepositoryUtils.toArtifact(a)));
        return Collections.unmodifiableCollection(attached);
    }

    @Override
    public Collection<Artifact> getAllArtifacts(Project project) {

import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;

/**
 * Attach a POM to an artifact.
 *
 */
@Deprecated
public class ProjectArtifactMetadata extends AbstractArtifactMetadata {
    private final File file;

    public ProjectArtifactMetadata(Artifact artifact) {