class LinearId implements Id {

    @Override
    public String toString() {
        return aggregator_.aggregate(data_);
    }

    public  LinearId();
    public  LinearId(String id);
    public  LinearId(String parent, String tail);
    public  LinearId(String... id);
    public  LinearId(String[] ids, IdAggregator aggregator);
    private  LinearId(String[] ids, IdAggregator aggregator, Void private_constructor);

}