this.builders = builders;
    }

    @Override
    public void execute(MavenSession session) {
        eventCatapult.fire(ExecutionEvent.Type.SessionStarted, session, null);

        ReactorContext reactorContext = null;
        ProjectBuildList projectBuilds = null;
        MavenExecutionResult result = session.getResult();

        try {

    @Override
    public void onEvent(Object event) {
        if (event instanceof ExecutionEvent executionEvent) {
            if (executionEvent.getType() == ExecutionEvent.Type.SessionStarted) {
                RepositorySystemSession repositorySystemSession =
                        executionEvent.getSession().getRepositorySession();

        if (logger.isInfoEnabled()) {
            init();
            logger.info("Scanning for projects...");
        }
    }

    @Override
    public void sessionStarted(ExecutionEvent event) {
        if (logger.isInfoEnabled() && event.getSession().getProjects().size() > 1) {
            init();
            infoLine('-');

            infoMain("Reactor Build Order:");

        if (logger.isInfoEnabled()) {
            init();
            logger.info("Scanning for projects...");
        }
    }

    @Override
    public void sessionStarted(ExecutionEvent event) {
        if (logger.isInfoEnabled() && event.getSession().getProjects().size() > 1) {
            init();
            infoLine('-');

            infoMain("Reactor Build Order:");

import org.apache.maven.api.annotations.Experimental;

/**
 * The possible types of execution events.
 *
 * @since 4.0.0
 */
@Experimental
public enum EventType {
    PROJECT_DISCOVERY_STARTED,
    SESSION_STARTED,
    SESSION_ENDED,
    PROJECT_SKIPPED,
    PROJECT_STARTED,
    PROJECT_SUCCEEDED,
    PROJECT_FAILED,
    MOJO_SKIPPED,
    MOJO_STARTED,
    MOJO_SUCCEEDED,
    MOJO_FAILED,
    FORK_STARTED,