docs: public static long getVisibilityCacheWeight(FluoConfiguration conf) {
      long size = conf.getLong(VISIBILITY_CACHE_WEIGHT, VISIBILITY_CACHE_WEIGHT_DEFAULT);
      if (size <= 0) {
        throw new IllegalArgumentException(
            "Cache size must be positive for " + VISIBILITY_CACHE_WEIGHT);
      }
      return size;
    }