projects.put(p1, Collections.emptyList());
        projects.put(p2, Collections.singletonList(p1));

        BuildPlan plan = calculateLifecycleMappings(projects, "verify");
        plan.then(calculateLifecycleMappings(projects, "install"));

        Stream.of(p1, p2).forEach(project -> {
            plan.requiredStep(project, "after:resources").addMojo(new MojoExecution(null), 0);

            } else if (task instanceof LifecycleTask) {
                String lifecyclePhase = task.getValue();

                Map<String, List<MojoExecution>> phaseToMojoMapping =
                        calculateLifecycleMappings(session, project, lifecyclePhase);

                for (List<MojoExecution> mojoExecutionsFromLifecycle : phaseToMojoMapping.values()) {
                    mojoExecutions.addAll(mojoExecutionsFromLifecycle);

 *
 * @since 3.2.0
 * @see org.apache.maven.lifecycle.internal.DefaultLifecycleMappingDelegate
 */
public interface LifecycleMappingDelegate {
    Map<String, List<MojoExecution>> calculateLifecycleMappings(
            MavenSession session, MavenProject project, Lifecycle lifecycle, String lifecyclePhase)
            throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,

                                + ".",
                        lifecyclePhase));
            }

            return calculateLifecycleMappings(projects, lifecycle, resolvedPhase);
        }

        public BuildPlan calculateLifecycleMappings(
                Map<MavenProject, List<MavenProject>> projects, Lifecycle lifecycle, String lifecyclePhase) {
            BuildPlan plan = new BuildPlan(projects);

    @Inject
    public DefaultLifecycleMappingDelegate(BuildPluginManager pluginManager) {
        this.pluginManager = pluginManager;
    }

    @Override
    public Map<String, List<MojoExecution>> calculateLifecycleMappings(
            MavenSession session, MavenProject project, Lifecycle lifecycle, String lifecyclePhase)
            throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,