if (src != null) {
            Xpp3Dom tgt = (Xpp3Dom) target.getConfiguration();
            if (sourceDominant || tgt == null) {
                tgt = Xpp3Dom.mergeXpp3Dom(new Xpp3Dom(src), tgt);
            } else {
                tgt = Xpp3Dom.mergeXpp3Dom(tgt, src);
            }
            target.setConfiguration(tgt);
        }
    }

    protected void mergePluginExecution(