} finally {
                stk.pop();
            }
        }

        @Override
        protected ActivationOS.Builder transformActivationOS_Name(
                Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
            stk.push(nextFrame("name"));
            try {

                    Supplier<? extends ActivationFile.Builder> creator,
                    ActivationFile.Builder builder,
                    ActivationFile target) {
                String path = target.getMissing();
                String xformed = transformPath(path, target, "missing");
                return xformed != path ? (builder != null ? builder : creator.get()).missing(xformed) : builder;
            }

/**
 * An implementation of a workspace reader that knows how to search the Maven reactor for artifacts, either as packaged
 * jar if it has been built, or only compile output directory if packaging hasn't happened yet.
 *
 */
@Named(ReactorReader.HINT)
@SessionScoped
class ReactorReader implements MavenWorkspaceReader {
    public static final String HINT = "reactor";

    public static final String PROJECT_LOCAL_REPO = "project-local-repo";

                    String msg = str + " aggregator mojo is already being executed "
                            + "in this parallel build, those kind of mojos require exclusive access to "
                            + "reactor to prevent race conditions. This mojo execution will be blocked "
                            + "until the aggregator mojo is done.";
                    warn(msg);
                    acquiredAggregatorLock.lock();

                ModelSource source = getSource(groupId, artifactId);
                if (source == null) {
                    // we need to check the whole reactor in case it's a dependency
                    loadFullReactor();
                    source = getSource(groupId, artifactId);
                }
                if (source != null) {

            // phase 1: get file Models from the reactor.
            List<InterimResult> interimResults = build(projectIndex, pomFiles, new LinkedHashSet<>(), true, recursive);

            ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader();

            try {
                // Phase 2: get effective models from the reactor

    /**
     * The full set of projects before any potential constraining by --projects. Useful in the case where you want to
     * build a smaller set of projects but perform other operations in the context of your reactor.
     */
    private List<MavenProject> allProjects;

    private MavenProject topLevelProject;

    private ProjectDependencyGraph projectDependencyGraph;

    private boolean parallel;

    /**

        ArtifactVersion matched = null;
        for (ArtifactVersion version : versions) {
            if (containsVersion(version)) {
                // valid - check if it is greater than the currently matched version
                if (matched == null || version.compareTo(matched) > 0) {
                    matched = version;
                }
            }
        }
        return matched;

                scenario("Select reactor by specific pom")
                        .requestedPom(MODULE_C)
                        .expectResult(MODULE_C, MODULE_C_1, MODULE_C_2),
                scenario("Select reactor by specific pom with also make dependencies")
                        .requestedPom(MODULE_C)
                        .makeBehavior(REACTOR_MAKE_UPSTREAM)

    /**
     * Get the model from the reactor based on the groupId and artifactId when resolving reactor dependencies.
     *
     * @param from    the requiring model
     * @param groupId    the groupId
     * @param artifactId the artifactId
     * @return the model, otherwise {@code null}
     * @throws IllegalStateException if multiple versions of the same GA are part of the reactor
     */