static <A extends Concept> ConceptFieldIndexCI<A> indexConceptFieldIC(Class<A> c, S field) {
  ret indexConceptFieldCI(c, field);
}



static <A extends Concept> ConceptFieldIndexCI<A> indexConceptFieldIC(Concepts concepts, Class<A> c, S field) {
  ret indexConceptFieldCI(concepts, c, field);
}