return effectiveRepositories;
    }

    private ArtifactRepositoryPolicy getEffectivePolicy(Collection<ArtifactRepositoryPolicy> policies) {
        ArtifactRepositoryPolicy effectivePolicy = null;

        for (ArtifactRepositoryPolicy policy : policies) {
            if (effectivePolicy == null) {
                effectivePolicy = new ArtifactRepositoryPolicy(policy);
            } else {

            }
        }

        return new RepositoryPolicy(enabled, updates, checksums);
    }

    public static String toRepositoryChecksumPolicy(final String artifactRepositoryPolicy) {
        switch (artifactRepositoryPolicy) {
            case RepositoryPolicy.CHECKSUM_POLICY_FAIL:
                return RepositoryPolicy.CHECKSUM_POLICY_FAIL;
            case RepositoryPolicy.CHECKSUM_POLICY_IGNORE:

    public int getNature() {
        return RELEASE;
    }

    public ArtifactRepositoryPolicy getPolicy(ArtifactRepository repository) {
        int nature = getNature();
        if ((nature & RepositoryMetadata.RELEASE_OR_SNAPSHOT) == RepositoryMetadata.RELEASE_OR_SNAPSHOT) {
            ArtifactRepositoryPolicy policy = new ArtifactRepositoryPolicy(repository.getReleases());
            policy.merge(repository.getSnapshots());

        return new MavenArtifactRepository(
                repository.getId(),
                repository.getUrl(),
                new DefaultRepositoryLayout(),
                new ArtifactRepositoryPolicy(),
                new ArtifactRepositoryPolicy());
    }

    @Override
    public Artifact createArtifact(String groupId, String artifactId, String version, String packaging) {

    ArtifactRepository createArtifactRepository(
            String id,
            String url,
            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases);

    /**
     * Calculates the effective repositories for the given input repositories which are assumed to be already mirrored

import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;

/**
 * ArtifactRepositoryLayout2
 */
public interface ArtifactRepositoryLayout2 extends ArtifactRepositoryLayout {

    ArtifactRepository newMavenArtifactRepository(
            String id, String url, ArtifactRepositoryPolicy snapshots, ArtifactRepositoryPolicy releases);

    }

    public ArtifactRepository createArtifactRepository(
            String id,
            String url,
            String layoutId,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases)
            throws UnknownRepositoryLayoutException {
        return injectSession(factory.createArtifactRepository(id, url, layoutId, snapshots, releases), true);
    }

    String getProtocol();

    String getId();

    void setId(String id);

    ArtifactRepositoryPolicy getSnapshots();

    void setSnapshotUpdatePolicy(ArtifactRepositoryPolicy policy);

    ArtifactRepositoryPolicy getReleases();

    void setReleaseUpdatePolicy(ArtifactRepositoryPolicy policy);

    ArtifactRepositoryLayout getLayout();

    void setLayout(ArtifactRepositoryLayout layout);

     * Checks the verification of checksums.
     */
    @Disabled
    @Test
    void testChecksumVerification() throws Exception {
        ArtifactRepositoryPolicy policy = new ArtifactRepositoryPolicy(
                true, ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS, ArtifactRepositoryPolicy.CHECKSUM_POLICY_FAIL);

        ArtifactRepository repo = artifactRepositoryFactory.createArtifactRepository(

        public void setId(String id) {}

        public ArtifactRepositoryPolicy getSnapshots() {
            return null;
        }

        public void setSnapshotUpdatePolicy(ArtifactRepositoryPolicy policy) {}

        public ArtifactRepositoryPolicy getReleases() {
            return null;
        }

        public void setReleaseUpdatePolicy(ArtifactRepositoryPolicy policy) {}