static <A extends Concept> int countConceptsCI(Concepts cc, Class<A> c, O... params) {
  if (empty(params))
    ret countConcepts(cc, c);
  ret l(conceptsWhereCI(cc, c, params));
}

static <A extends Concept> int nuLike countConceptsCI(Class<A> c, O... params) {
  ret countConceptsCI(db_mainConcepts(), c, params);
}