docs: public final Set<FilterEntry<T>> getFilterEntrys() {
          HashSet<FilterEntry<T>> set = new HashSet<>();
          set.addAll(entrys);
          if (ors != null) ors.forEach(f -> set.addAll(f.getFilterEntrys()));
          if (ands != null) ands.forEach(f -> set.addAll(f.getFilterEntrys()));
          return set;
      }