docs: private void getEager(Set<HBeanRow> rows, HBeanRowCollector collector, int level,
              FetchType... fetchType) throws HBeanNotFoundException {
          int size = rows.size();
          if (size == 0) {
              return;
          }
          if (--level < 0) {
              return;
          }
          Set<HBeanRow> refs = new HashSet<>();
          for (HBeanRow row : rows) {
              refs.addAll(row.getReferenceRows());
          }
          // only recurse rowkeys we havent already
          // visited to break circular references
          refs = collector.filterUnvisted(refs);
          refs = getLazy(refs, fetchType);
  
          collector.addReferences(refs);
          getEager(refs, collector, level, fetchType);
      }