attachArtifact(project, artifact, path);
    }

    default void attachArtifact(Session session, Project project, String type, Path path) {
        Artifact artifact = session.createArtifact(
                project.getGroupId(), project.getArtifactId(), project.getVersion(), null, null, type);
        attachArtifact(project, artifact, path);
    }

        artifact.setFile(artifactFile);
        artifact.setResolved(true);

        attachArtifact(project, artifact);
    }

    public void attachArtifact(MavenProject project, String artifactType, File artifactFile) {
        ArtifactHandler handler = artifactHandlerManager.getArtifactHandler(artifactType);

    String ROLE = MavenProjectHelper.class.getName();

    /**
     * See {@link #attachArtifact(MavenProject, String, String, java.io.File)}, but with type set to null.
     * @param project project reference.
     * @param artifactFile artifact file.
     * @param artifactClassifier artifact classifier.
     */
    void attachArtifact(MavenProject project, File artifactFile, String artifactClassifier);

    /**

        File artifactFile = Files.createTempFile("foo", "tmp").toFile();
        try {
            mavenProjectHelper.attachArtifact(mavenProject, "java-source", artifactFile);
            assertEquals(1, mavenProject.getAttachedArtifacts().size());
            mavenProjectHelper.attachArtifact(mavenProject, "java-source", artifactFile);
            assertEquals(1, mavenProject.getAttachedArtifacts().size());
        } finally {

        result.addAll(project.getArtifacts());
        result.addAll(getAttachedArtifacts(project));
        return Collections.unmodifiableCollection(result);
    }

    @Override
    public void attachArtifact(Project project, Artifact artifact, Path path) {
        getMavenProject(project)
                .addAttachedArtifact(RepositoryUtils.toArtifact(

 * of the public API. In particular, this class can be changed or deleted without prior notice. Use
 * {@link org.apache.maven.project.MavenProjectHelper#attachArtifact} instead.
 */
@Deprecated
public class AttachedArtifact extends DefaultArtifact {

    private final Artifact parent;

            // This is necessary to avoid creating compatibility problems for existing plugins that use
            // MavenProjectHelper.attachArtifact(..).
            try {
                MojoExecutionEvent mojoExecutionEvent = new MojoExecutionEvent(session, project, mojoExecution, mojo);
                mojoExecutionListener.beforeMojoExecution(mojoExecutionEvent);

            dom = new Xpp3Dom(dom);
        }

        return dom;
    }

    /**
     * @deprecated Use MavenProjectHelper.attachArtifact(..) instead.
     */
    @Deprecated
    public void attachArtifact(String type, String classifier, File file) {}

    /**
     * @deprecated Use {@link org.apache.maven.model.io.ModelWriter}.
     */
    @Deprecated