public WalkTokenSet(Topology<Tok> cs) { this.cs = cs; }
public WalkTokenSet(Topology<Tok> cs, Cache c) { super(c); this.cs = cs; }
public Topology<Tok> bottom(Element e) { return cs; }
public WalkTokenSet(Topology<Tok> cs) { this.cs = cs; }
public WalkTokenSet(Topology<Tok> cs, Cache c) { super(c); this.cs = cs; }
public Topology<Tok> bottom(Element e) { return cs; }