res.getArtifacts(),
                "Check artifact list");

        ArtifactFilter filter = new ExclusionSetFilter(new String[] {"b"});
        res = collect(a, filter);
        assertEquals(createSet(new Object[] {a.artifact, c.artifact}), res.getArtifacts(), "Check artifact list");
    }

    @Test
    void testResolveCorrectDependenciesWhenDifferentDependenciesOnNearest()

        }
    }

    /**
     * @since 3.5.0
     */
    public List<MavenProject> getAllProjects() {
        return this.allProjects;
    }

    public List<MavenProject> getSortedProjects() {
        return new ArrayList<>(sorter.getSortedProjects());
    }

    public List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive) {

            List<ArtifactRepository> aliasedRepos = reposByKey.computeIfAbsent(key, k -> new ArrayList<>());

            aliasedRepos.add(repository);
        }

        List<ArtifactRepository> effectiveRepositories = new ArrayList<>();

        for (List<ArtifactRepository> aliasedRepos : reposByKey.values()) {
            List<ArtifactRepository> mirroredRepos = new ArrayList<>();

      separate this into a separate mutable structure.

    */

    private final List<ExecutionPlanItem> planItem;

    private final Map<String, ExecutionPlanItem> lastMojoExecutionForAllPhases;

    final List<String> phasesInExecutionPlan;

    public MavenExecutionPlan(List<ExecutionPlanItem> planItem, DefaultLifecycles defaultLifecycles) {
        this.planItem = planItem;

public class MappedCollection<U, V> extends AbstractCollection<U> {
    private final Collection<V> list;
    private final Function<V, U> mapper;

    public MappedCollection(Collection<V> list, Function<V, U> mapper) {
        this.list = list;
        this.mapper = mapper;
    }

    @Override
    public Iterator<U> iterator() {
        Iterator<V> it = list.iterator();
        return new Iterator<U>() {
            @Override

    private static final String PREFIX_PROJECT = "project.";
    private static final String PREFIX_POM = "pom.";
    private static final List<String> PROJECT_PREFIXES_3_1 = Arrays.asList(PREFIX_POM, PREFIX_PROJECT);
    private static final List<String> PROJECT_PREFIXES_4_0 = Collections.singletonList(PREFIX_PROJECT);

    private static final Collection<String> TRANSLATED_PATH_EXPRESSIONS;

    static {

                        // 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) {

import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;

import org.apache.maven.project.DependencyResolutionResult;
import org.apache.maven.project.MavenProject;

public class DefaultMavenExecutionResult implements MavenExecutionResult {
    private MavenProject project;

    private List<MavenProject> topologicallySortedProjects = Collections.emptyList();

        private final PersistedToolchains effectiveToolchains;

        private final List<BuilderProblem> problems;

        DefaultToolchainsBuilderResult(PersistedToolchains effectiveToolchains, List<BuilderProblem> problems) {
            this.effectiveToolchains = effectiveToolchains;
            this.problems = (problems != null) ? problems : new ArrayList<>();

                    e);
        }
    }

    private List<org.eclipse.aether.artifact.Artifact> toAetherArtifacts(final List<Artifact> pluginArtifacts) {
        return new ArrayList<>(RepositoryUtils.toArtifacts(pluginArtifacts));
    }

    private List<Artifact> toMavenArtifacts(DependencyResult dependencyResult) {
        List<Artifact> artifacts =