core:
import edu.neu.ccs.demeter.dj.*;

import edu.neu.ccs.demeter.*;
add: class Money {
  protected float price;
  public float get_price() {{ return price; }}
  public void set_price(float new_price)
    {{ price = new_price; }}
  public constructor Money() {{ super(); }}
  public constructor Money(float price) {{
    super();
    set_price(price);
  }}
  public static Money parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._Money(); }}
  public static Money parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._Money(); }}
  public static Money parse(String s) {{
    try { return parse(new java.io.StringReader(s)); }
    catch (ParseException e) {
      throw new RuntimeException(e.toString());
    }
  }}
{{  void universal_trv0_bef(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).before(this);
  }
}}
{{  void universal_trv0_aft(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).after(this);
  }
}}
{{  void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    ((UniversalVisitor) _v_).before_price(this, price);
    ((UniversalVisitor) _v_).after_price(this, price);
    universal_trv0_aft(_v_);
  }
}}
{{  void __trav_sumClauses_Blackboard_trv_bef(ClauseWeightVisitor __v0) {
    ((UniversalVisitor) __v0).before(this);
  }
}}
{{  void __trav_sumClauses_Blackboard_trv_aft(ClauseWeightVisitor __v0) {
    ((UniversalVisitor) __v0).after(this);
  }
}}
{{  void __trav_sumClauses_Blackboard_trv(ClauseWeightVisitor __v0) {
    __trav_sumClauses_Blackboard_trv_bef(__v0);
    ((UniversalVisitor) __v0).before_price(this, price);
    ((UniversalVisitor) __v0).after_price(this, price);
    __trav_sumClauses_Blackboard_trv_aft(__v0);
  }
}}
}