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

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

        if (globalUpdatePolicy != null) {
            snapshots.setUpdatePolicy(globalUpdatePolicy);
            releases.setUpdatePolicy(globalUpdatePolicy);
        }

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

    public ArtifactRepository createArtifactRepository(
            String id,
            String url,