@Override
    public boolean equals(Object object) {
        if ( ! super.equals(object)) return false;

        IntItem other = (IntItem) object; // Ensured by superclass
        if ( ! getFromLimit().equals(other.getFromLimit())) return false;
        if ( ! getToLimit().equals(other.getToLimit())) return false;
        if ( getHitLimit() != other.getHitLimit()) return false;
        return true;
    }
Int items uses a empty heading instead of "INT "
container-search/src/main/java/com/yahoo/prelude/query/IntItem.java