//Generate the tree definition corresponding to a ranked alphabet
 private static bool GenerateTreeClass(Dictionary<string, Def> defs, FastTransducerInstance fti, RankedAlphabetSort ras)
 {
     //Create a new tree definition
     TreeClassDef treeDef = new TreeClassDef(ras, z3p);
     fti.treeDefinitions.Add(ras.alphName, treeDef);
     return true;
 }