static Map<S, AIConcept> aiConceptsMap_cached_map;
static new O aiConceptsMap_cached_lock;

static Map<S, AIConcept> aiConceptsMap_cached() {
  synchronized(aiConceptsMap_cached_lock) {
    if (aiConceptsMap_cached_map == null)
      aiConceptsMap_cached_map = aiConceptsMap();
    ret aiConceptsMap_cached_map;
  }
}