if (rel == null) {
                return null;
            }

            pomArtifact = rel.pomArtifact;

            relocatedArtifact = rel.relocatedArtifact;

            if (rel.project == null) {
                // When this happens we have a Maven 1.x POM, or some invalid POM.

        private Artifact relocatedArtifact;
        private List<Artifact> artifacts;
        private Map<String, Artifact> managedVersions;
        private List<ArtifactRepository> remoteRepositories;

        private long length;
        private long timestamp;

        CacheRecord(
                Artifact pomArtifact,
                Artifact relocatedArtifact,
                Set<Artifact> artifacts,

                throw new ArtifactDescriptorException(result);
            }

            Artifact relocatedArtifact = getRelocation(session, result, model);
            if (relocatedArtifact != null) {
                if (withinSameGav(relocatedArtifact, a)) {
                    result.setArtifact(relocatedArtifact);
                    return model; // they share same model
                } else {