@Override
    public LongPredicate getKeyFilter(boolean forClasses) {
      return new LongPredicate() {
        boolean addZero = forClasses ? classPackageHashes.hasNull() : resourcePackageHashes.hasNull();

        @Override
        public boolean test(long it) {
          if (it == 0) {
            if (!addZero) {
              return false;
            }

            addZero = false;
          }
          return true;
        }
      };
    }
@Override
    public LongPredicate getKeyFilter(boolean forClasses)