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

import edu.neu.ccs.demeter.*;
add: class SuperClass {
  protected Ident super_name;
  public Ident get_super_name() {{ return super_name; }}
  public void set_super_name(Ident new_super_name)
    {{ super_name = new_super_name; }}
  public constructor SuperClass() {{ super(); }}
  public constructor SuperClass(Ident super_name) {{
    super();
    set_super_name(super_name);
  }}
  public static SuperClass parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._SuperClass(); }}
  public static SuperClass parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._SuperClass(); }}
  public static SuperClass 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_super_name(this, super_name);
    ((UniversalVisitor) _v_).after_super_name(this, super_name);
    universal_trv0_aft(_v_);
  }
}}
{{  void __trav_display_Cd_graph_trv_bef(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).before(this);
  }
}}
{{  void __trav_display_Cd_graph_trv_aft(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).after(this);
  }
}}
{{  void __trav_display_Cd_graph_trv(DisplayVisitor __v0) {
    __trav_display_Cd_graph_trv_bef(__v0);
    ((DisplayVisitor) __v0).before_super_name(this, super_name);
    ((UniversalVisitor) __v0).after_super_name(this, super_name);
    __trav_display_Cd_graph_trv_aft(__v0);
  }
}}
}