static TimedCache<Set<S>> gazelle_commentPatterns_cache = new(10*60.0);

static Set<S> gazelle_commentPatterns() {
  ret gazelle_commentPatterns_cache.get(func -> Set<S> { 
    concatMapAsCISet matchingPatternsInJavaXSource(
      textsOfStandardFunctions(gazelleRelatedStandardFunctions())) });
}