@Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**
     * Gets the current project (if any).
     *
     * @return the current project or {@code empty()} if not applicable
     */
    @Nonnull
    Optional<Project> getProject();

    /**

        DeployRequest request = new DeployRequest();

        request.setTrace(RequestTrace.newChild(null, legacySupport.getSession().getCurrentProject()));

        org.eclipse.aether.artifact.Artifact mainArtifact = RepositoryUtils.toArtifact(artifact);
        mainArtifact = mainArtifact.setFile(source);
        request.addArtifact(mainArtifact);

     */
    Type getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return The current session, never {@code null}.
     */
    MavenSession getSession();

    /**
     * Gets the current project (if any).
     *
     * @return The current project or {@code null} if not applicable.
     */
    MavenProject getProject();

    /**

        this.delegate = delegate;
    }

    @Override
    public EventType getType() {
        return EventType.valueOf(delegate.getType().name());
    }

    @Override
    public Session getSession() {
        return session;
    }

    @Override
    public Optional<Project> getProject() {
        return Optional.ofNullable(session.getProject(delegate.getProject()));
    }

    @Override

                && VERSION.equals(artifact.getVersion())) {
            Model m = new Model();
            m.setArtifactId(ARTIFACT_ID);
            m.setGroupId(GROUP_ID);
            m.setVersion(VERSION);
            Repository repository = new Repository();
            repository.setId(REPO_ID);
            repository.setUrl(REPO_URL);
            repository.setLayout(REPO_LAYOUT);

    public HtmlResponse search(final SearchForm form) {
        if (viewHelper.isUseSession()) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {
                    session.setAttribute(Constants.RESULTS_PER_PAGE, form.num);
                }
            });
        }

        ModelSource result = resolveModel(parent.getDelegate(), resolvedParent);
        if (resolvedParent.get() != null) {
            parent.setVersion(resolvedParent.get().getVersion());
        }
        return result;
    }

    @Override
    public ModelSource resolveModel(org.apache.maven.model.Dependency dependency) throws UnresolvableModelException {

        return Optional.empty();
    }

    @Nonnull
    @Override
    public Collection<ProducedArtifact> getAttachedArtifacts(Project project) {
        InternalMavenSession session = ((DefaultProject) project).getSession();
        Collection<ProducedArtifact> attached = map(
                getMavenProject(project).getAttachedArtifacts(),
                a -> session.getArtifact(ProducedArtifact.class, RepositoryUtils.toArtifact(a)));

/**
 * A request for installing one or more artifacts in the local repository.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface ArtifactInstallerRequest {

    @Nonnull
    Session getSession();

    @Nonnull
    Collection<ProducedArtifact> getArtifacts();

    @Nonnull
    static ArtifactInstallerRequestBuilder builder() {
        return new ArtifactInstallerRequestBuilder();
    }

        this.session = session;
        this.project = project;
        this.mojoExecution = mojoExecution;
        this.mojo = mojo;
        this.cause = cause;
    }

    public MavenSession getSession() {
        return session;
    }

    public MavenProject getProject() {
        return project;
    }

    public MojoExecution getExecution() {
        return mojoExecution;
    }