} // -- Object getConfiguration()

    /**
     * Method getGoals.
     *
     * @return List
     */
    public java.util.List<String> getGoals() {
        if (this.goals == null) {
            this.goals = new java.util.ArrayList<String>();
        }

        return this.goals;
    } // -- java.util.List<String> getGoals()

    /**
     * Method removeGoal.
     *
     * @param string a string object.

    } // -- String getId()

    /**
     * Method getPhases.
     *
     * @return List
     */
    public java.util.List<Phase> getPhases() {
        if (this.phases == null) {
            this.phases = new java.util.ArrayList<Phase>();
        }

        return this.phases;
    } // -- java.util.List<Phase> getPhases()

    /**
     * Method removePhase.
     *
     * @param phase a phase object.

     */
    @Nonnull
    List<Exception> getExceptions();

    /**
     * Gets the root node of the dependency graph.
     *
     * @return the root node of the dependency graph or {@code null} if none
     */
    @Nullable
    Node getRoot();

    /**
     * The ordered list of the flattened dependency nodes.
     *
     * @return the ordered list of the flattened dependency nodes
     */

    /**
     * Method getExecutions.
     *
     * @return List
     */
    public java.util.List<Execution> getExecutions() {
        if (this.executions == null) {
            this.executions = new java.util.ArrayList<Execution>();
        }

        return this.executions;
    } // -- java.util.List<Execution> getExecutions()

    /**
     * Get the ID of this phase, e.g.,

    }

    @Override
    public List<Project> getProjects(List<MavenProject> projects) {
        return projects == null ? null : map(projects, this::getProject);
    }

    @Override
    public Project getProject(MavenProject project) {
        return allProjects.computeIfAbsent(project.getId(), id -> new DefaultProject(this, project));
    }

    @Override

        }
    }

    @Override
    public List<Node> flatten(Session s, Node node, PathScope scope) throws DependencyResolverException {
        InternalSession session = InternalSession.from(s);
        DependencyNode root = cast(AbstractNode.class, node, "node").getDependencyNode();
        List<DependencyNode> dependencies = session.getRepositorySystem()

                    continue;
                }

                String key = groupId + ":" + artifactId;

                // Build plugin
                List<PluginExecution> execs = new ArrayList<>();
                List<Dependency> deps = new ArrayList<>();

                Plugin existing = plugins.get(key);
                if (existing != null) {
                    if (version == null) {

        }
        return resolve(request);
    }

    /**
     * Flattens a list of nodes.
     *
     * @param session
     * @param node
     * @param scope
     * @return
     * @throws DependencyResolverException
     */
    List<Node> flatten(Session session, Node node, PathScope scope) throws DependencyResolverException;

    @Nonnull

 *
 */
@Named
@Singleton
public class DefaultDependencyManagementImporter implements DependencyManagementImporter {

    @Override
    public Model importManagement(
            Model target,
            List<? extends DependencyManagement> sources,
            ModelBuildingRequest request,
            ModelProblemCollector problems) {
        if (sources != null && !sources.isEmpty()) {

                        // ignore
                        e.printStackTrace();
                    }
                    List<Supplier<Object>> list =
                            res3.stream().map(this::compile).collect(Collectors.toList());
                    //noinspection unchecked
                    return () -> (Q) list(list);
                }
                if (key.getRawType() == Map.class) {