buildPlan.then(step);
            }

            return buildPlan;
        }

        private MojoDescriptor getMojoDescriptor(MavenProject project, Plugin plugin, String goal) {
            try {
                return mavenPluginManager.getMojoDescriptor(
                        plugin, goal, project.getRemotePluginRepositories(), session.getRepositorySession());
            } catch (MavenException e) {

        for (ExecutionPlanItem executionPlanItem : planItem) {
            final MojoExecution mojoExecution = executionPlanItem.getMojoExecution();
            if (!mojoExecution.getMojoDescriptor().isThreadSafe()) {
                mojos.add(mojoExecution.getMojoDescriptor());
            }
        }
        return mojos;
    }

    // Used by m2e but will be removed, really.
    @Deprecated

        for (MojoExecution mojoExecution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

            scopesToResolve.addAll(toScopes(mojoDescriptor.getDependencyResolutionRequired()));

            scopesToCollect.addAll(toScopes(mojoDescriptor.getDependencyCollectionRequired()));
        }

                lifecyclePluginResolver.resolveMissingPluginVersions(session.getTopLevelProject(), session);

                MojoDescriptor mojoDescriptor =
                        mojoDescriptorCreator.getMojoDescriptor(task, session, session.getTopLevelProject());

                boolean aggregating = mojoDescriptor.isAggregator() || !mojoDescriptor.isProjectRequired();

        requireNonNull(project, "project" + " cannot be null");
        try {
            MojoExecution mojoExecution = lookup.lookup(MojoExecution.class);
            MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();
            PluginDescriptor pluginDescriptor = mojoDescriptor.getPluginDescriptor();
            return getMavenSession().getPluginContext(pluginDescriptor, ((DefaultProject) project).getProject());