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

import edu.neu.ccs.demeter.*;
add: class SubgraphVisitor extends UniversalVisitor {
  protected boolean is_equal = {{ true }};  public boolean get_is_equal() {{ return is_equal; }}
  public void set_is_equal(boolean new_is_equal)
    {{ is_equal = new_is_equal; }}
  public constructor SubgraphVisitor() {{ super(); }}
  public constructor SubgraphVisitor(boolean is_equal) {{
    super();
    set_is_equal(is_equal);
  }}
{{
    private java.util.Stack history = new java.util.Stack();
    public SubgraphVisitor(Object obj) {
      history.push(obj);
    }
  }}
  public void before(Main host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_parts_list(Schema source, Parts_List dest) {{
    if (is_equal) {
      Schema obj = (Schema) history.peek();
      Object temp3 = obj.get_parts_list();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  public void after_parts_list(Schema source, Parts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Schema host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp1 = host.get_string();
    Object temp2 = ((Schema) obj).get_string();
    if(temp1 == null && temp2 == null) {}
    else if(temp1 == null ||
            temp2 == null ||
            !temp1.equals(temp2)) { is_equal = false; return; }
  }}
  public void before(Parts host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(Types host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_name(ComplexType source, Name dest) {{
    if (is_equal) {
      ComplexType obj = (ComplexType) history.peek();
      Object temp4 = obj.get_name();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  public void after_name(ComplexType source, Name dest) {{
    if (is_equal) history.pop();
  }}
  public void before_sequence(ComplexType source, Sequence dest) {{
    if (is_equal) {
      ComplexType obj = (ComplexType) history.peek();
      Object temp5 = obj.get_sequence();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  public void after_sequence(ComplexType source, Sequence dest) {{
    if (is_equal) history.pop();
  }}
  public void before_attribute(ComplexType source, Attribute dest) {{
    if (is_equal) {
      ComplexType obj = (ComplexType) history.peek();
      Object temp6 = obj.get_attribute();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  public void after_attribute(ComplexType source, Attribute dest) {{
    if (is_equal) history.pop();
  }}
  public void before(ComplexType host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_name(Attribute source, Name dest) {{
    if (is_equal) {
      Attribute obj = (Attribute) history.peek();
      Object temp7 = obj.get_name();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  public void after_name(Attribute source, Name dest) {{
    if (is_equal) history.pop();
  }}
  public void before_type(Attribute source, Type dest) {{
    if (is_equal) {
      Attribute obj = (Attribute) history.peek();
      Object temp8 = obj.get_type();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  public void after_type(Attribute source, Type dest) {{
    if (is_equal) history.pop();
  }}
  public void before_endpart(Attribute source, EndPart dest) {{
    if (is_equal) {
      Attribute obj = (Attribute) history.peek();
      Object temp9 = obj.get_endpart();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  public void after_endpart(Attribute source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Attribute host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_parts_list(Sequence source, Parts_List dest) {{
    if (is_equal) {
      Sequence obj = (Sequence) history.peek();
      Object temp10 = obj.get_parts_list();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  public void after_parts_list(Sequence source, Parts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Sequence host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_nameref(Element source, NameRef dest) {{
    if (is_equal) {
      Element obj = (Element) history.peek();
      Object temp11 = obj.get_nameref();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  public void after_nameref(Element source, NameRef dest) {{
    if (is_equal) history.pop();
  }}
  public void before_elementparts_list(Element source, ElementParts_List dest) {{
    if (is_equal) {
      Element obj = (Element) history.peek();
      Object temp12 = obj.get_elementparts_list();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  public void after_elementparts_list(Element source, ElementParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before_elementendparts(Element source, ElementEndParts dest) {{
    if (is_equal) {
      Element obj = (Element) history.peek();
      Object temp13 = obj.get_elementendparts();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  }}
  public void after_elementendparts(Element source, ElementEndParts dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Element host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(NameRef host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(ElementParts host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(ElementEndParts host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_endpart(SimpleElementEnd source, EndPart dest) {{
    if (is_equal) {
      SimpleElementEnd obj = (SimpleElementEnd) history.peek();
      Object temp14 = obj.get_endpart();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  public void after_endpart(SimpleElementEnd source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(SimpleElementEnd host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_types_list(ComplexElementEnd source, Types_List dest) {{
    if (is_equal) {
      ComplexElementEnd obj = (ComplexElementEnd) history.peek();
      Object temp15 = obj.get_types_list();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  public void after_types_list(ComplexElementEnd source, Types_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(ComplexElementEnd host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_name(SimpleType source, Name dest) {{
    if (is_equal) {
      SimpleType obj = (SimpleType) history.peek();
      Object temp16 = obj.get_name();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  public void after_name(SimpleType source, Name dest) {{
    if (is_equal) history.pop();
  }}
  public void before_restriction(SimpleType source, Restriction dest) {{
    if (is_equal) {
      SimpleType obj = (SimpleType) history.peek();
      Object temp17 = obj.get_restriction();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  public void after_restriction(SimpleType source, Restriction dest) {{
    if (is_equal) history.pop();
  }}
  public void before(SimpleType host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_base(Restriction source, Base dest) {{
    if (is_equal) {
      Restriction obj = (Restriction) history.peek();
      Object temp18 = obj.get_base();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  public void after_base(Restriction source, Base dest) {{
    if (is_equal) history.pop();
  }}
  public void before_simpleparts_list(Restriction source, SimpleParts_List dest) {{
    if (is_equal) {
      Restriction obj = (Restriction) history.peek();
      Object temp19 = obj.get_simpleparts_list();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  public void after_simpleparts_list(Restriction source, SimpleParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Restriction host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(SimpleParts host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(Name host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp20 = host.get_string();
    Object temp21 = ((Name) obj).get_string();
    if(temp20 == null && temp21 == null) {}
    else if(temp20 == null ||
            temp21 == null ||
            !temp20.equals(temp21)) { is_equal = false; return; }
  }}
  public void before(Ref host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp22 = host.get_string();
    Object temp23 = ((Ref) obj).get_string();
    if(temp22 == null && temp23 == null) {}
    else if(temp22 == null ||
            temp23 == null ||
            !temp22.equals(temp23)) { is_equal = false; return; }
  }}
  public void before(Base host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp24 = host.get_string();
    Object temp25 = ((Base) obj).get_string();
    if(temp24 == null && temp25 == null) {}
    else if(temp24 == null ||
            temp25 == null ||
            !temp24.equals(temp25)) { is_equal = false; return; }
  }}
  public void before(Type host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp26 = host.get_string();
    Object temp27 = ((Type) obj).get_string();
    if(temp26 == null && temp27 == null) {}
    else if(temp26 == null ||
            temp27 == null ||
            !temp26.equals(temp27)) { is_equal = false; return; }
  }}
  public void before(MinOccurs host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp28 = host.get_string();
    Object temp29 = ((MinOccurs) obj).get_string();
    if(temp28 == null && temp29 == null) {}
    else if(temp28 == null ||
            temp29 == null ||
            !temp28.equals(temp29)) { is_equal = false; return; }
  }}
  public void before(MaxOccurs host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp30 = host.get_string();
    Object temp31 = ((MaxOccurs) obj).get_string();
    if(temp30 == null && temp31 == null) {}
    else if(temp30 == null ||
            temp31 == null ||
            !temp30.equals(temp31)) { is_equal = false; return; }
  }}
  public void before_value(MinExclusive source, Value dest) {{
    if (is_equal) {
      MinExclusive obj = (MinExclusive) history.peek();
      Object temp32 = obj.get_value();
      if(temp32==null) { is_equal = false; return; }
      history.push(temp32);
    }
  }}
  public void after_value(MinExclusive source, Value dest) {{
    if (is_equal) history.pop();
  }}
  public void before_endpart(MinExclusive source, EndPart dest) {{
    if (is_equal) {
      MinExclusive obj = (MinExclusive) history.peek();
      Object temp33 = obj.get_endpart();
      if(temp33==null) { is_equal = false; return; }
      history.push(temp33);
    }
  }}
  public void after_endpart(MinExclusive source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(MinExclusive host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_value(MaxExclusive source, Value dest) {{
    if (is_equal) {
      MaxExclusive obj = (MaxExclusive) history.peek();
      Object temp34 = obj.get_value();
      if(temp34==null) { is_equal = false; return; }
      history.push(temp34);
    }
  }}
  public void after_value(MaxExclusive source, Value dest) {{
    if (is_equal) history.pop();
  }}
  public void before_endpart(MaxExclusive source, EndPart dest) {{
    if (is_equal) {
      MaxExclusive obj = (MaxExclusive) history.peek();
      Object temp35 = obj.get_endpart();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  public void after_endpart(MaxExclusive source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(MaxExclusive host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_value(MinInclusive source, Value dest) {{
    if (is_equal) {
      MinInclusive obj = (MinInclusive) history.peek();
      Object temp36 = obj.get_value();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  public void after_value(MinInclusive source, Value dest) {{
    if (is_equal) history.pop();
  }}
  public void before_endpart(MinInclusive source, EndPart dest) {{
    if (is_equal) {
      MinInclusive obj = (MinInclusive) history.peek();
      Object temp37 = obj.get_endpart();
      if(temp37==null) { is_equal = false; return; }
      history.push(temp37);
    }
  }}
  public void after_endpart(MinInclusive source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(MinInclusive host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_value(MaxInclusive source, Value dest) {{
    if (is_equal) {
      MaxInclusive obj = (MaxInclusive) history.peek();
      Object temp38 = obj.get_value();
      if(temp38==null) { is_equal = false; return; }
      history.push(temp38);
    }
  }}
  public void after_value(MaxInclusive source, Value dest) {{
    if (is_equal) history.pop();
  }}
  public void before_endpart(MaxInclusive source, EndPart dest) {{
    if (is_equal) {
      MaxInclusive obj = (MaxInclusive) history.peek();
      Object temp39 = obj.get_endpart();
      if(temp39==null) { is_equal = false; return; }
      history.push(temp39);
    }
  }}
  public void after_endpart(MaxInclusive source, EndPart dest) {{
    if (is_equal) history.pop();
  }}
  public void before(MaxInclusive host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(Value host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp40 = host.get_string();
    Object temp41 = ((Value) obj).get_string();
    if(temp40 == null && temp41 == null) {}
    else if(temp40 == null ||
            temp41 == null ||
            !temp40.equals(temp41)) { is_equal = false; return; }
  }}
  public void before(EndPart host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before(PrintVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((PrintVisitor) obj).get_indent();
    is_equal = is_equal && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();
  }}
  public void before(CopyVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp42 = host.get_copy();
    Object temp43 = ((CopyVisitor) obj).get_copy();
    if(temp42 == null && temp43 == null) {}
    else if(temp42 == null ||
            temp43 == null ||
            !temp42.equals(temp43)) { is_equal = false; return; }
  }}
  public void before(SubgraphVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((SubgraphVisitor) obj).get_is_equal();
  }}
  public void before(EqualVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();
  }}
  public void before(DisplayVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((DisplayVisitor) obj).get_indent();
  }}
  public void before(TraceVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((TraceVisitor) obj).get_indent();
  }}
  public void before(UniversalVisitor host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_first(Parts_List source, Nonempty_Parts_List dest) {{
    if (is_equal) {
      Parts_List obj = (Parts_List) history.peek();
      Object temp44 = obj.get_first();
      if(temp44==null) { is_equal = false; return; }
      history.push(temp44);
    }
  }}
  public void after_first(Parts_List source, Nonempty_Parts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Parts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_first(ElementParts_List source, Nonempty_ElementParts_List dest) {{
    if (is_equal) {
      ElementParts_List obj = (ElementParts_List) history.peek();
      Object temp45 = obj.get_first();
      if(temp45==null) { is_equal = false; return; }
      history.push(temp45);
    }
  }}
  public void after_first(ElementParts_List source, Nonempty_ElementParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(ElementParts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_first(Types_List source, Nonempty_Types_List dest) {{
    if (is_equal) {
      Types_List obj = (Types_List) history.peek();
      Object temp46 = obj.get_first();
      if(temp46==null) { is_equal = false; return; }
      history.push(temp46);
    }
  }}
  public void after_first(Types_List source, Nonempty_Types_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Types_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_first(SimpleParts_List source, Nonempty_SimpleParts_List dest) {{
    if (is_equal) {
      SimpleParts_List obj = (SimpleParts_List) history.peek();
      Object temp47 = obj.get_first();
      if(temp47==null) { is_equal = false; return; }
      history.push(temp47);
    }
  }}
  public void after_first(SimpleParts_List source, Nonempty_SimpleParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(SimpleParts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_it(Nonempty_Parts_List source, Parts dest) {{
    if (is_equal) {
      Nonempty_Parts_List obj = (Nonempty_Parts_List) history.peek();
      Object temp48 = obj.get_it();
      if(temp48==null) { is_equal = false; return; }
      history.push(temp48);
    }
  }}
  public void after_it(Nonempty_Parts_List source, Parts dest) {{
    if (is_equal) history.pop();
  }}
  public void before_next(Nonempty_Parts_List source, Nonempty_Parts_List dest) {{
    if (is_equal) {
      Nonempty_Parts_List obj = (Nonempty_Parts_List) history.peek();
      Object temp49 = obj.get_next();
      if(temp49==null) { is_equal = false; return; }
      history.push(temp49);
    }
  }}
  public void after_next(Nonempty_Parts_List source, Nonempty_Parts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Nonempty_Parts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_it(Nonempty_ElementParts_List source, ElementParts dest) {{
    if (is_equal) {
      Nonempty_ElementParts_List obj = (Nonempty_ElementParts_List) history.peek();
      Object temp50 = obj.get_it();
      if(temp50==null) { is_equal = false; return; }
      history.push(temp50);
    }
  }}
  public void after_it(Nonempty_ElementParts_List source, ElementParts dest) {{
    if (is_equal) history.pop();
  }}
  public void before_next(Nonempty_ElementParts_List source, Nonempty_ElementParts_List dest) {{
    if (is_equal) {
      Nonempty_ElementParts_List obj = (Nonempty_ElementParts_List) history.peek();
      Object temp51 = obj.get_next();
      if(temp51==null) { is_equal = false; return; }
      history.push(temp51);
    }
  }}
  public void after_next(Nonempty_ElementParts_List source, Nonempty_ElementParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Nonempty_ElementParts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_it(Nonempty_Types_List source, Types dest) {{
    if (is_equal) {
      Nonempty_Types_List obj = (Nonempty_Types_List) history.peek();
      Object temp52 = obj.get_it();
      if(temp52==null) { is_equal = false; return; }
      history.push(temp52);
    }
  }}
  public void after_it(Nonempty_Types_List source, Types dest) {{
    if (is_equal) history.pop();
  }}
  public void before_next(Nonempty_Types_List source, Nonempty_Types_List dest) {{
    if (is_equal) {
      Nonempty_Types_List obj = (Nonempty_Types_List) history.peek();
      Object temp53 = obj.get_next();
      if(temp53==null) { is_equal = false; return; }
      history.push(temp53);
    }
  }}
  public void after_next(Nonempty_Types_List source, Nonempty_Types_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Nonempty_Types_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  public void before_it(Nonempty_SimpleParts_List source, SimpleParts dest) {{
    if (is_equal) {
      Nonempty_SimpleParts_List obj = (Nonempty_SimpleParts_List) history.peek();
      Object temp54 = obj.get_it();
      if(temp54==null) { is_equal = false; return; }
      history.push(temp54);
    }
  }}
  public void after_it(Nonempty_SimpleParts_List source, SimpleParts dest) {{
    if (is_equal) history.pop();
  }}
  public void before_next(Nonempty_SimpleParts_List source, Nonempty_SimpleParts_List dest) {{
    if (is_equal) {
      Nonempty_SimpleParts_List obj = (Nonempty_SimpleParts_List) history.peek();
      Object temp55 = obj.get_next();
      if(temp55==null) { is_equal = false; return; }
      history.push(temp55);
    }
  }}
  public void after_next(Nonempty_SimpleParts_List source, Nonempty_SimpleParts_List dest) {{
    if (is_equal) history.pop();
  }}
  public void before(Nonempty_SimpleParts_List host) {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}
  boolean get_return_val() {{ return is_equal ; }}
{{  void universal_trv0_bef(UniversalVisitor _v_) {
    super.universal_trv0_bef(_v_);
  }
}}
{{  void universal_trv0_aft(UniversalVisitor _v_) {
    super.universal_trv0_aft(_v_);
  }
}}
{{  void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    super.universal_trv0(_v_);
    universal_trv0_aft(_v_);
  }
}}
}