println("  public void jjtAccept(Visitor v) throws jjtraveler.VisitFailure");
println("  public void accept(Visitor v) throws jjtraveler.VisitFailure");
	  private void genAltVisitableInterface(Type type, Alternative alt)	  {		String altClassName = AlternativeGenerator.className( type,alt );		println("  public void jjtAccept(Visitor v) throws jjtraveler.VisitFailure");		println("  {");		println("    v.visit_" + altClassName + "(this);");		println("  }");		println();	 }