private String updatePolicy;

    private String checksumPolicy;

    public ArtifactRepositoryPolicy() {
        this(true, null, null);
    }

    public ArtifactRepositoryPolicy(ArtifactRepositoryPolicy policy) {
        this(policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy());
    }

    public ArtifactRepositoryPolicy(boolean enabled, String updatePolicy, String checksumPolicy) {
        this.enabled = enabled;

        return effectiveRepositories;
    }

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

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

            ArtifactRepositoryLayout layout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases) {
        super(id, url);

        this.layout = layout;

        if (snapshots == null) {
            snapshots = new ArtifactRepositoryPolicy(
                    true,
                    ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,

    }

    @Override
    public void setSnapshotUpdatePolicy(ArtifactRepositoryPolicy snapshots) {
        this.snapshots = snapshots;
    }

    @Override
    public ArtifactRepositoryPolicy getSnapshots() {
        return snapshots;
    }

    @Override
    public void setReleaseUpdatePolicy(ArtifactRepositoryPolicy releases) {
        this.releases = releases;
    }

    @Override

        return userLocalArtifactRepository.getLayout();
    }

    @Override
    public ArtifactRepositoryPolicy getReleases() {
        return userLocalArtifactRepository.getReleases();
    }

    @Override
    public ArtifactRepositoryPolicy getSnapshots() {
        return userLocalArtifactRepository.getSnapshots();
    }

    @Override
    public String getKey() {

            String layoutId,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases)
            throws UnknownRepositoryLayoutException;

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

        return effectiveRepositories;
    }

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

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

            String url,
            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases) {
        if (snapshots == null) {
            snapshots = new ArtifactRepositoryPolicy();
        }

        if (releases == null) {
            releases = new ArtifactRepositoryPolicy();
        }

        if (globalUpdatePolicy != null) {

            String layoutId,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases)
            throws UnknownRepositoryLayoutException;

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

                && repositoryPolicyEquals(r1.getSnapshots(), r2.getSnapshots());
    }

    private static boolean repositoryPolicyEquals(ArtifactRepositoryPolicy p1, ArtifactRepositoryPolicy p2) {
        if (p1 == p2) {
            return true;
        }

        return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getUpdatePolicy(), p2.getUpdatePolicy());
    }