private void delete$(Quad quad) {
   super.delete(quad);
   record(
       QuadAction.DELETE,
       quad.getGraph(),
       quad.getSubject(),
       quad.getPredicate(),
       quad.getObject());
 }
 private void delete$(Node g, Node s, Node p, Node o) {
   super.delete(g, s, p, o);
   record(QuadAction.DELETE, g, s, p, o);
 }