ModelBase target, ModelBase source, boolean sourceDominant, Map<Object, Object> context) {
        DistributionManagement src = source.getDistributionManagement();
        if (src != null) {
            DistributionManagement tgt = target.getDistributionManagement();
            if (tgt == null) {
                tgt = new DistributionManagement();
                target.setDistributionManagement(tgt);
            }