static <A extends Concept> A uniq_debug(Class<A> c, O... params) {
  ret uniq_debug(mainConcepts, c, params);
}

static <A extends Concept> A uniq_debug(Concepts cc, Class<A> c, O... params) {
  params = expandParams(c, params);
  A x = findConceptWhere_debug(cc, c, params);
  if (x == null) {
    x = nuObject(c);
    csetAll(x, params);
  }
  ret x;
}