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

import edu.neu.ccs.demeter.*;
add: class SuperClasses {
  protected SuperClass_Comma_list superclass_comma_list;
  public SuperClass_Comma_list get_superclass_comma_list() {{ return superclass_comma_list; }}
  public void set_superclass_comma_list(SuperClass_Comma_list new_superclass_comma_list)
    {{ superclass_comma_list = new_superclass_comma_list; }}
  public constructor SuperClasses() {{ super(); }}
  public constructor SuperClasses(SuperClass_Comma_list superclass_comma_list) {{
    super();
    set_superclass_comma_list(superclass_comma_list);
  }}
  public static SuperClasses parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._SuperClasses(); }}
  public static SuperClasses parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._SuperClasses(); }}
  public static SuperClasses 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_superclass_comma_list(this, superclass_comma_list);
    superclass_comma_list.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_superclass_comma_list(this, superclass_comma_list);
    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_superclass_comma_list(this, superclass_comma_list);
    superclass_comma_list.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_superclass_comma_list(this, superclass_comma_list);
    __trav_display_Cd_graph_trv_aft(__v0);
  }
}}
}