package test; import stepwise.BacktrackException; import stepwise.Node; public abstract class Pred extends Node { private PredInh _inhs; private PredSyn _syns; public Pred() { _inhs = new PredInh(); _syns = new PredSyn(); } @Override protected PredSyn syns() { return _syns; } public PredInh inhs() { return _inhs; } }