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

import edu.neu.ccs.demeter.*;
add: class Adjacency {
  protected Vertex source;
  public Vertex get_source() {{ return source; }}
  public void set_source(Vertex new_source)
    {{ source = new_source; }}
  protected Vertex_Comma_list parameters;
  public Vertex_Comma_list get_parameters() {{ return parameters; }}
  public void set_parameters(Vertex_Comma_list new_parameters)
    {{ parameters = new_parameters; }}
  protected Neighbors ns;
  public Neighbors get_ns() {{ return ns; }}
  public void set_ns(Neighbors new_ns)
    {{ ns = new_ns; }}
  public constructor Adjacency() {{ super(); }}
  public constructor Adjacency(Vertex source, Vertex_Comma_list parameters, Neighbors ns) {{
    super();
    set_source(source);
    set_parameters(parameters);
    set_ns(ns);
  }}
  public static Adjacency parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._Adjacency(); }}
  public static Adjacency parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._Adjacency(); }}
  public static Adjacency 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_source(this, source);
    source.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_source(this, source);
    if (parameters != null) {
      ((UniversalVisitor) _v_).before_parameters(this, parameters);
      parameters.universal_trv0(_v_);
      ((UniversalVisitor) _v_).after_parameters(this, parameters);
    }
    ((UniversalVisitor) _v_).before_ns(this, ns);
    ns.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_ns(this, ns);
    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_source(this, source);
    source.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_source(this, source);
    if (parameters != null) {
      ((DisplayVisitor) __v0).before_parameters(this, parameters);
      parameters.__trav_display_Cd_graph_trv(__v0);
      ((UniversalVisitor) __v0).after_parameters(this, parameters);
    }
    ((DisplayVisitor) __v0).before_ns(this, ns);
    ns.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_ns(this, ns);
    __trav_display_Cd_graph_trv_aft(__v0);
  }
}}
{{  void __trav_displayParents_Cd_graph_trv_bef(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).before(this);
  }
}}
{{  void __trav_displayParents_Cd_graph_trv_aft(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).after(this);
  }
}}
{{  void __trav_displayParents_Cd_graph_trv(DisplayVisitor __v0) {
    __trav_displayParents_Cd_graph_trv_bef(__v0);
    ((DisplayVisitor) __v0).before_source(this, source);
    source.__trav_displayParents_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_source(this, source);
    if (parameters != null) {
      ((DisplayVisitor) __v0).before_parameters(this, parameters);
      parameters.__trav_displayParents_Cd_graph_trv(__v0);
      ((UniversalVisitor) __v0).after_parameters(this, parameters);
    }
    __trav_displayParents_Cd_graph_trv_aft(__v0);
  }
}}
}