private boolean consumerPomPresent(Collection<Artifact> artifacts) {
        return artifacts.stream()
                .anyMatch(a -> "pom".equals(a.getExtension()) && CONSUMER_POM_CLASSIFIER.equals(a.getClassifier()));
    }

    private Collection<Artifact> replacePom(Collection<Artifact> artifacts, boolean deployBuildPom) {
        List<Artifact> consumers = new ArrayList<>();
        List<Artifact> mains = new ArrayList<>();

     * @param artifacts The artifacts to add to the class realm, may be {@code null}. Unresolved artifacts (i.e. with a
     *            missing file) will automatically be excluded from the realm.
     * @return The new project realm, never {@code null}.
     */
    ClassRealm createProjectRealm(Model model, List<Artifact> artifacts);

    /**

    public ResolutionGroup(
            Artifact pomArtifact, Set<Artifact> artifacts, List<ArtifactRepository> resolutionRepositories) {
        this(pomArtifact, null, artifacts, null, resolutionRepositories);
    }

    public ResolutionGroup(
            Artifact pomArtifact,
            Artifact relocatedArtifact,
            Set<Artifact> artifacts,
            Map<String, Artifact> managedVersions,

     *
     * @param artifact the artifact for which to get a local path
     * @return local path associated to the given artifact, or {@code null} if none
     *
     * @see org.apache.maven.api.services.LocalRepositoryManager#getPathForLocalArtifact(Session, LocalRepository, Artifact)
     */
    Path getPathForLocalArtifact(@Nonnull Artifact artifact);

    /**
     * Gets the relative path for an artifact cached from a remote repository.

                if (artifact == null) {
                    artifact = new MavenArtifact(repository.getUrl(), resource);
                    artifacts.put(resource, artifact);
                }

                return artifact;
            }
        }
    }

        return Collections.emptyList();
    }

    @Override
    public Artifact transformArtifact(Artifact artifact) {
        return artifact;
    }

    @Override
    public Collection<? extends Metadata> finish(Collection<? extends Artifact> artifacts) {
        for (Artifact artifact : artifacts) {

        this.result = result;
        this.artifacts = Collections.unmodifiableSet(artifacts);
    }

    @Override
    public Iterator<Artifact> iterator() {
        return artifacts.iterator();
    }

    @Override
    public int size() {
        return artifacts.size();
    }

    @Override
    public DependencyResolutionResult getResult() {
        return result;
    }

    class CacheRecord {

        private final List<Artifact> artifacts;

        public List<Artifact> getArtifacts() {
            return artifacts;
        }

        public PluginResolutionException getException() {
            return exception;
        }

        private final PluginResolutionException exception;

        public CacheRecord(List<Artifact> artifacts) {
            this.artifacts = artifacts;

                    snapshots.put(key, snapshotMetadata);
                }
                snapshotMetadata.bind(artifact);
            }
        }

        return snapshots.values();
    }

    @Override
    public Artifact transformArtifact(Artifact artifact) {
        if (artifact.isSnapshot() && artifact.getVersion().equals(artifact.getBaseVersion())) {

        this.artifacts = Collections.unmodifiableSet(new HashSet<>(exportedArtifacts));
        this.packages = exportedPackages.stream()
                .collect(collectingAndThen(toMap(identity(), v -> realm), Collections::unmodifiableMap));
    }

    /**
     * Returns artifacts exported by Maven core and core extensions. Artifacts are identified by their
     * groupId:artifactId string key.