}
        }
        assertFalse(filteredItr.hasNext());
      }
    }

    public void testForEach() {
      for (List<Integer> contents : SAMPLE_INPUTS) {
        C unfiltered = createUnfiltered(contents);
        C filtered = filter(unfiltered, EVEN);
        List<Integer> foundElements = new ArrayList<>();
        filtered.forEach(
            (Integer i) -> {

            new TestStringListGenerator() {
              @Override
              protected List<String> create(final String[] elements) {
                // For this test we trust ArrayList works
                final List<String> list = new ArrayList<>();
                Collections.addAll(list, elements);
                return new AbstractSequentialList<String>() {
                  @Override

  // verbs is a list of supported API operation types (this includes
  // but is not limited to get, list, watch, create, update, patch,
  // delete, deletecollection, and proxy).
  // +listType=set
  repeated string verbs = 5;

  // shortNames is a list of suggested short names of the resource.
  // +listType=set
  repeated string shortNames = 6;

    }

    /**
     * Returns a list suited for the builders, i.e. null if not modified
     */
    private <T> List<T> injectList(List<T> list, Function<T, T> modifer) {
        List<T> newList = null;
        for (int i = 0; i < list.size(); i++) {
            T oldT = list.get(i);
            T newT = modifer.apply(oldT);
            if (newT != oldT) {

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.model.Model;

/**
 * A simple model problem collector for testing the model building components.
 *
 */
public class SimpleProblemCollector implements ModelProblemCollector {
    private Model model;

    private List<String> warnings = new ArrayList<>();

    private List<String> errors = new ArrayList<>();

                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()

    private String query = "";

    private int size = 10;

    private final List<String> tags = new ArrayList<>();

    private final List<String> roles = new ArrayList<>();

    private final List<String> fields = new ArrayList<>();

    private final List<String> kinds = new ArrayList<>();

    private final List<String> languages = new ArrayList<>();

    private boolean suggestDetail = true;

     */
    List<MavenProject> getTopologicallySortedProjects();

    MavenExecutionResult setDependencyResolutionResult(DependencyResolutionResult result);

    DependencyResolutionResult getDependencyResolutionResult();

    // for each exception
    // - knowing what artifacts are missing
    // - project building exception
    // - invalid project model exception: list of markers

                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {
        List<ArtifactRepository> repositories = requestRepositories;

        if (pomRepositories != null && !pomRepositories.isEmpty()) {

    }

    protected ProtoSession(
            RepositorySystemSession session,
            RepositorySystem repositorySystem,
            List<RemoteRepository> repositories,
            List<org.eclipse.aether.repository.RemoteRepository> resolverRepositories,
            Lookup lookup,
            Context context) {