if (parent.getRelativePath() == null || parent.getRelativePath().isEmpty()) {
                    buffer.append(" and 'parent.relativePath' points at no local POM");
                } else {
                    buffer.append(" and 'parent.relativePath' points at wrong local POM");
                }
            }

                artifactRequest.setRepositories(RepositoryUtils.toRepos(remoteRepositories));

                // Maven 2.x quirk: an artifact always points at the local repo, regardless whether resolved or not
                LocalRepositoryManager lrm = session.getLocalRepositoryManager();
                String path = lrm.getPathForLocalArtifact(artifactRequest.getArtifact());

                        Collections.singletonList(project.getArtifact().getId()),
                        null);

                // Maven 2.x quirk: an artifact always points at the local repo, regardless whether resolved or not
                LocalRepositoryManager lrm = session.getLocalRepositoryManager();
                for (Artifact artifact : artifacts) {

   * constructors with arguments. MUST be a power of two no greater than {@code 1<<30} to ensure
   * that entries are indexable using ints.
   */
  static final int MAXIMUM_CAPACITY = Ints.MAX_POWER_OF_TWO;

  /** The maximum number of segments to allow; used to bound constructor arguments. */
  static final int MAX_SEGMENTS = 1 << 16; // slightly conservative

     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @CheckForNull.
     *
     * Two other points:
     *
     * 1. We'll want to use something like @PolyNull once we can make that work for the various
     * platforms we target.
     *

@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class RegularImmutableSortedMultiset<E> extends ImmutableSortedMultiset<E> {
  private static final long[] ZERO_CUMULATIVE_COUNTS = {0};

  static final ImmutableSortedMultiset<?> NATURAL_EMPTY_MULTISET =
      new RegularImmutableSortedMultiset<>(Ordering.natural());

  @VisibleForTesting final transient RegularImmutableSortedSet<E> elementSet;

  private static boolean isPermutation(List<?> first, List<?> second) {
    if (first.size() != second.size()) {
      return false;
    }
    ObjectCountHashMap<?> firstCounts = counts(first);
    ObjectCountHashMap<?> secondCounts = counts(second);
    if (first.size() != second.size()) {
      return false;
    }
    for (int i = 0; i < first.size(); i++) {

     * <p>
     * Shortcut for {@code getService(ArtifactFactory.class).create(...)}.
     *
     * @param coordString the string having "standard" coordinate.
     * @return coordinate used to point to the artifact
     *
     * @see org.apache.maven.api.services.ArtifactCoordinateFactory#create(Session, String)
     */
    @Nonnull
    ArtifactCoordinate createArtifactCoordinate(@Nonnull String coordString);

                extensionRecord = setupExtensionsRealm(project, plugin, repositorySession);
            } catch (PluginManagerException e) {
                // extensions realm is expected to be fully setup at this point
                // any exception means a problem in maven code, not a user error
                throw new IllegalStateException(e);
            }

            ClassRealm pluginRealm = extensionRecord.getRealm();

                prefixlessObjectBasedValueSource =
                        new ProblemDetectingValueSource(prefixlessObjectBasedValueSource, "", PREFIX_PROJECT, problems);
            }
        }

        // NOTE: Order counts here!
        List<ValueSource> valueSources = new ArrayList<>(9);

        if (projectDir != null) {
            ValueSource basedirValueSource = new PrefixedValueSourceWrapper(