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

static L<Concept> conceptsWhereIC(S c, O... params) {
  ret conceptsWhereIC(db_mainConcepts(), c, params);
}

static <A extends Concept> L<A> conceptsWhereIC(Concepts concepts, Class<A> c, O... params) {
  params = expandParams(c, params);
  ret filterConceptsIC(concepts.list(c), params);
}

static L<Concept> conceptsWhereIC(Concepts concepts, S c, O... params) {
  ret filterConceptsIC(concepts.list(c), params);
}