Registry{
  private void displayTypes() via TypeList to DefinedType
  {
    before TypeList (@
      System.out.println("Types:------------------------------");
    @)
    before DefinedType(@
      host.display();
    @)
  }
  private void displayEntities() via EntityList to Entity
  {
    before EntityList (@
      System.out.println("Entities:---------------------------");
    @)
    before Entity(@
      host.display();
    @)
  }
  private void displayCategories()
    via CategoryList
    to {GeneratedCodeCategory,NonGeneratedCodeCategory}
  {
    before CategoryList (@
      System.out.println("Categories:-------------------------");
    @)
    before CodeCategory (@
      host.display();
    @)
  }
  public void display() (@
     displayCategories();
     displayTypes();
     displayEntities();
  @)
}
DefinedType {
  public void display() (@
    PrintWriter pw = new PrintWriter(System.out);
    universal_trv0(new DisplayVisitor(pw));
    pw.flush();
    System.out.println();
  @)
}
AccessKeyList {
  traversal display(DisplayVisitor) {to AccessKey;}
  public void display() (@
    PrintWriter pw = new PrintWriter(System.out);
    display(new DisplayVisitor(pw));
    pw.flush();
    System.out.println();
  @)
}
Entity {
  traversal displayEntity(DisplayVisitor) {
      bypassing {Entity,DefinedType} to *;
  }
  public void display() (@
    PrintWriter pw = new PrintWriter(System.out);
    displayEntity(new DisplayVisitor(pw));
    pw.flush();
    System.out.println();
  @)
}
CodeCategory {
  public void display() (@
    PrintWriter pw = new PrintWriter(System.out);
    universal_trv0(new DisplayVisitor(pw));
    pw.flush();
    System.out.println();
  @)
}