static <A extends Concept> A nuLike conceptWhereCI(Class<A> c, O... params) {
  ret findConceptWhereCI(c, params);
}

static Concept conceptWhereCI(S c, O... params) {
  ret findConceptWhereCI(db_mainConcepts(), c, params);
}

static <A extends Concept> A conceptWhereCI(Concepts concepts, Class<A> c, O... params) {
  ret findConceptWhereCI(concepts, c, params);
}

static Concept conceptWhereCI(Concepts concepts, S c, O... params) {
  ret findConceptWhereCI(concepts, c, params);
}