static new ThreadLocal<L<AIConcept>> englishToConceptLanguage_concepts;
static volatile L<AIConcept> englishToConceptLanguage_concepts_global;

static L<AIConcept> englishToConceptLanguage_concepts() {
  L<AIConcept> l = englishToConceptLanguage_concepts.get();
  if (l != null) ret l;
  l = englishToConceptLanguage_concepts_global;
  if (l != null) ret l;
  ret aiConceptsPrioritized();
}