} else {
                unresolvedOptionalSelectors.add(selector);
            }
        }

        if (!unresolvedOptionalSelectors.isEmpty()) {
            LOGGER.info("The requested optional projects {} do not exist.", unresolvedOptionalSelectors);
        }

        return resolvedOptionalProjects;
    }

    private List<MavenProject> getChildProjects(MavenProject parent, MavenExecutionRequest request) {

        Activation activation = profile.getActivation();

        String jdk = activation.getJdk();

        // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
        if (jdk.startsWith("[") || jdk.startsWith("(")) {
            try {
                return matchJdkVersionRange(jdk);
            } catch (InvalidVersionSpecificationException e) {

        if (!VALID_MODEL_VERSIONS.contains(superModelVersion)) {
            // Maven 3.x is always using 4.0.0 version to load the supermodel, so
            // do the same when loading a dependency.  The model validator will also
            // check that field later.
            superModelVersion = "4.0.0";
        }

                        try {
                            ResolutionGroup rGroup;

                            Object childKey;
                            do {
                                childKey = child.getKey();

                                if (managedVersions.containsKey(childKey)) {

import org.slf4j.LoggerFactory;

@Singleton
@Named
public final class DefaultPluginValidationManager extends AbstractEventSpy implements PluginValidationManager {
    /**
     * The collection of "G:A" combinations that do NOT belong to Maven Core, hence, should be excluded from
     * "expected in provided scope" type of checks.
     */
    static final Collection<String> EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA =

    sensitive the online state of the application, and that this state is
    currently wrong for execution.

    <<NOTE:>> Do we want to fail when we cannot bind a mojo to the lifecycle
    because of offline/online status? That would probably indicate that the user
    was trying to do something they cannot succeed at for now...so we probably

                final PrintStream projectStream = printStreams.get(projectBuild);
                ByteArrayOutputStream projectOs = streams.get(projectBuild);

                do {
                    synchronized (projectStream) {
                        try {
                            projectStream.wait(100);
                        } catch (InterruptedException e) {

patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and (d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE...

import static java.util.stream.Collectors.toSet;

/**
 * Container for storing the request from the user to activate or de-activate certain profiles and optionally fail the
 * build if those profiles do not exist.
 */
public class ProfileActivation {
    private final Map<String, ActivationSettings> activations = new HashMap<>();

    /**
     * Mimics the pre-Maven 4 "active profiles" list.

                    LifecyclePhaseNotFoundException, LifecycleNotFoundException, PluginVersionResolutionException {
        // Maybe do something ?
    }

    public MavenExecutionPlan calculateExecutionPlan(
            MavenSession session, MavenProject project, List<Task> tasks, boolean setup)