// which may cause some re-entrance in the build() method and can
            // actually cause deadlocks.  In order to workaround the problem,
            // we do a first pass by reading all rawModels in order.
            List<ProjectBuildingResult> results = new ArrayList<>();
            boolean failure = false;
            for (InterimResult r : interimResults) {

          <association>
            <type>Dependency</type>
            <multiplicity>*</multiplicity>
          </association>
          <description>
            A set of dependencies which the plugin requires in order to function. This enables the plugin to function
            independently of its POM (or at least to declare the libraries it needs to run).
          </description>
        </field>
      </fields>
      <codeSegments>

        }
    }

    public ArtifactVersion matchVersion(List<ArtifactVersion> versions) {
        // TODO could be more efficient by sorting the list and then moving along the restrictions in order?

        ArtifactVersion matched = null;
        for (ArtifactVersion version : versions) {
            if (containsVersion(version)) {
                // valid - check if it is greater than the currently matched version

        this.plugin = plugin;
    }

    @Override
    public void configure(Binder binder) {
        if (plugin.getKey() != null) {
            XmlNode configuration = plugin.getConfiguration();
            if (configuration == null) {
                configuration = new XmlNodeImpl("configuration");
            }
            binder.bind(XmlNode.class)
                    .annotatedWith(Names.named(plugin.getKey()))

        // because the participant is free to change the dependencies of a project which can potentially change the
        // topological order of the projects, and therefore can potentially change the build order.
        //
        // Note that participants may affect the topological order of the projects but it is
        // not expected that a participant will add or remove projects from the session.
        //

        declaringProject.getModel().setBuild(build);

        projects = new ProjectSorter(projects).getSortedProjects();

        assertEquals(parentProject, projects.get(0));

        // the order of these two is non-deterministic, based on when they're added to the reactor.
        assertThat(projects, hasItem(pluginProject));
        assertThat(projects, hasItem(pluginLevelDepProject));

 * that exhibits the problem.
 *
 */
public interface Problem {

    /**
     * The different severity levels for a problem, in decreasing order.
     */
    enum Severity {
        FATAL, //
        ERROR, //
        WARNING //
    }

    /**

                        .inactiveRequiredProjects(MODULE_B)
                        .expectResult(MODULE_C_2, INDEPENDENT_MODULE),
                scenario("Selected projects in wrong order are resumed correctly in order")
                        .activeRequiredProjects(MODULE_C_2, MODULE_B, MODULE_A)
                        .resumeFrom(MODULE_B)
                        .expectResult(MODULE_B, MODULE_C_2),

 * @see org.apache.maven.api.services.DependencyResolver
 */
@Experimental
@Immutable
public enum DependencyScope {

    /**
     * None. Allows you to declare dependencies (for example to alter reactor build order) but in reality dependencies
     * in this scope are not part of any path scope.
     */
    NONE("none", false),

    /**

@Named
@Singleton
public class DefaultProfileInjector implements ProfileInjector {

    private static final Map<Model, Map<List<Profile>, Model>> CACHE = Collections.synchronizedMap(new WeakHashMap<>());

    // In order for the weak hash map to work correctly, we must not hold any reference to
    // the model used as the key.  So we use a dummy model as a placeholder to indicate that
    // we want to store the model used as they key.