// This file is automatically generated by DemeterJ.

CopyVisitor {
  {{
    private java.util.Stack history = new java.util.Stack();
    public CopyVisitor(Class firstClass) {
      try {
        history.push(firstClass.newInstance());
      } catch(Exception e) {
        e.printStackTrace();
      }
    }
  }}
  get copy {{ return history.peek(); }}
  return Object {{ get_copy() }}


  before -> Instance, presentation, PresentationXMLElement {{
    Instance it = (Instance) history.peek();
    PresentationXMLElement p = new PresentationXMLElement();
    it.set_presentation(p);
    history.push(p);
  }}

  after -> Instance, presentation, PresentationXMLElement {{
    history.pop();
  }}

  before -> Instance, domains, DomainsXMLElement {{
    Instance it = (Instance) history.peek();
    DomainsXMLElement p = new DomainsXMLElement();
    it.set_domains(p);
    history.push(p);
  }}

  after -> Instance, domains, DomainsXMLElement {{
    history.pop();
  }}

  before -> Instance, variables, VariablesXMLElement {{
    Instance it = (Instance) history.peek();
    VariablesXMLElement p = new VariablesXMLElement();
    it.set_variables(p);
    history.push(p);
  }}

  after -> Instance, variables, VariablesXMLElement {{
    history.pop();
  }}

  before -> Instance, relations, RelationsXMLElement {{
    Instance it = (Instance) history.peek();
    RelationsXMLElement p = new RelationsXMLElement();
    it.set_relations(p);
    history.push(p);
  }}

  after -> Instance, relations, RelationsXMLElement {{
    history.pop();
  }}

  before -> Instance, constraints, ConstraintsXMLElement {{
    Instance it = (Instance) history.peek();
    ConstraintsXMLElement p = new ConstraintsXMLElement();
    it.set_constraints(p);
    history.push(p);
  }}

  after -> Instance, constraints, ConstraintsXMLElement {{
    history.pop();
  }}

  before -> PresentationNameAttribute, name, String {{
    PresentationNameAttribute it = (PresentationNameAttribute) history.peek();
    it.set_name(dest);
  }}

  before -> PresentationMaxConstraintArityAttribute, maxConstraintArity, String {{
    PresentationMaxConstraintArityAttribute it = (PresentationMaxConstraintArityAttribute) history.peek();
    it.set_maxConstraintArity(dest);
  }}

  before -> PresentationNbSolutionAttribute, nbSolutions, String {{
    PresentationNbSolutionAttribute it = (PresentationNbSolutionAttribute) history.peek();
    it.set_nbSolutions(dest);
  }}

  before -> PresentationSolutionAttribute, solution, String {{
    PresentationSolutionAttribute it = (PresentationSolutionAttribute) history.peek();
    it.set_solution(dest);
  }}

  before -> PresentationMaxSatisfiableConstraintsAttribute, maxSatisfiableConstraints, String {{
    PresentationMaxSatisfiableConstraintsAttribute it = (PresentationMaxSatisfiableConstraintsAttribute) history.peek();
    it.set_maxSatisfiableConstraints(dest);
  }}

  before -> PresentationFormatAttribute, format, String {{
    PresentationFormatAttribute it = (PresentationFormatAttribute) history.peek();
    it.set_format(dest);
  }}

  before -> PresentationXMLAttributeList, presentationxmlattribute_list, PresentationXMLAttribute_List {{
    PresentationXMLAttributeList it = (PresentationXMLAttributeList) history.peek();
    PresentationXMLAttribute_List p = new PresentationXMLAttribute_List();
    it.set_presentationxmlattribute_list(p);
    history.push(p);
  }}

  after -> PresentationXMLAttributeList, presentationxmlattribute_list, PresentationXMLAttribute_List {{
    history.pop();
  }}

  before -> PresentationXMLElement, presentationxmlattributelist, PresentationXMLAttributeList {{
    PresentationXMLElement it = (PresentationXMLElement) history.peek();
    PresentationXMLAttributeList p = new PresentationXMLAttributeList();
    it.set_presentationxmlattributelist(p);
    history.push(p);
  }}

  after -> PresentationXMLElement, presentationxmlattributelist, PresentationXMLAttributeList {{
    history.pop();
  }}

  before -> DomainNameAttribute, name, String {{
    DomainNameAttribute it = (DomainNameAttribute) history.peek();
    it.set_name(dest);
  }}

  before -> DomainNbValuesAttribute, nbValues, String {{
    DomainNbValuesAttribute it = (DomainNbValuesAttribute) history.peek();
    it.set_nbValues(dest);
  }}

  before -> Num, v, int {{
    Num it = (Num) history.peek();
    it.set_v(dest);
  }}

  before -> DomainXMLElement, domainnameattribute, DomainNameAttribute {{
    DomainXMLElement it = (DomainXMLElement) history.peek();
    DomainNameAttribute p = new DomainNameAttribute();
    it.set_domainnameattribute(p);
    history.push(p);
  }}

  after -> DomainXMLElement, domainnameattribute, DomainNameAttribute {{
    history.pop();
  }}

  before -> DomainXMLElement, domainnbvaluesattribute, DomainNbValuesAttribute {{
    DomainXMLElement it = (DomainXMLElement) history.peek();
    DomainNbValuesAttribute p = new DomainNbValuesAttribute();
    it.set_domainnbvaluesattribute(p);
    history.push(p);
  }}

  after -> DomainXMLElement, domainnbvaluesattribute, DomainNbValuesAttribute {{
    history.pop();
  }}

  before -> DomainXMLElement, domainexp_list, DomainExp_List {{
    DomainXMLElement it = (DomainXMLElement) history.peek();
    DomainExp_List p = new DomainExp_List();
    it.set_domainexp_list(p);
    history.push(p);
  }}

  after -> DomainXMLElement, domainexp_list, DomainExp_List {{
    history.pop();
  }}

  before -> DomainsNbDomainsAttribute, nbDomains, String {{
    DomainsNbDomainsAttribute it = (DomainsNbDomainsAttribute) history.peek();
    it.set_nbDomains(dest);
  }}

  before -> DomainsXMLElement, domainsnbdomainsattribute, DomainsNbDomainsAttribute {{
    DomainsXMLElement it = (DomainsXMLElement) history.peek();
    DomainsNbDomainsAttribute p = new DomainsNbDomainsAttribute();
    it.set_domainsnbdomainsattribute(p);
    history.push(p);
  }}

  after -> DomainsXMLElement, domainsnbdomainsattribute, DomainsNbDomainsAttribute {{
    history.pop();
  }}

  before -> DomainsXMLElement, domainxmlelement_list, DomainXMLElement_List {{
    DomainsXMLElement it = (DomainsXMLElement) history.peek();
    DomainXMLElement_List p = new DomainXMLElement_List();
    it.set_domainxmlelement_list(p);
    history.push(p);
  }}

  after -> DomainsXMLElement, domainxmlelement_list, DomainXMLElement_List {{
    history.pop();
  }}

  before -> variableNameAttribute, name, String {{
    variableNameAttribute it = (variableNameAttribute) history.peek();
    it.set_name(dest);
  }}

  before -> variableDomainAttribute, domain, String {{
    variableDomainAttribute it = (variableDomainAttribute) history.peek();
    it.set_domain(dest);
  }}

  before -> VariableXMLElement, variablenameattribute, variableNameAttribute {{
    VariableXMLElement it = (VariableXMLElement) history.peek();
    variableNameAttribute p = new variableNameAttribute();
    it.set_variablenameattribute(p);
    history.push(p);
  }}

  after -> VariableXMLElement, variablenameattribute, variableNameAttribute {{
    history.pop();
  }}

  before -> VariableXMLElement, variabledomainattribute, variableDomainAttribute {{
    VariableXMLElement it = (VariableXMLElement) history.peek();
    variableDomainAttribute p = new variableDomainAttribute();
    it.set_variabledomainattribute(p);
    history.push(p);
  }}

  after -> VariableXMLElement, variabledomainattribute, variableDomainAttribute {{
    history.pop();
  }}

  before -> VariablesNbVariablesAttribute, nbVariables, String {{
    VariablesNbVariablesAttribute it = (VariablesNbVariablesAttribute) history.peek();
    it.set_nbVariables(dest);
  }}

  before -> VariablesXMLElement, variablesnbvariablesattribute, VariablesNbVariablesAttribute {{
    VariablesXMLElement it = (VariablesXMLElement) history.peek();
    VariablesNbVariablesAttribute p = new VariablesNbVariablesAttribute();
    it.set_variablesnbvariablesattribute(p);
    history.push(p);
  }}

  after -> VariablesXMLElement, variablesnbvariablesattribute, VariablesNbVariablesAttribute {{
    history.pop();
  }}

  before -> VariablesXMLElement, variablexmlelement_list, VariableXMLElement_List {{
    VariablesXMLElement it = (VariablesXMLElement) history.peek();
    VariableXMLElement_List p = new VariableXMLElement_List();
    it.set_variablexmlelement_list(p);
    history.push(p);
  }}

  after -> VariablesXMLElement, variablexmlelement_list, VariableXMLElement_List {{
    history.pop();
  }}

  before -> RelationNameAttribute, name, String {{
    RelationNameAttribute it = (RelationNameAttribute) history.peek();
    it.set_name(dest);
  }}

  before -> RelationNumberAttribute, number, String {{
    RelationNumberAttribute it = (RelationNumberAttribute) history.peek();
    it.set_number(dest);
  }}

  before -> RelationArityAttribute, arity, String {{
    RelationArityAttribute it = (RelationArityAttribute) history.peek();
    it.set_arity(dest);
  }}

  before -> RelationNbTuplesAttribute, nbTuples, String {{
    RelationNbTuplesAttribute it = (RelationNbTuplesAttribute) history.peek();
    it.set_nbTuples(dest);
  }}

  before -> RelationSemanticsAttribute, semantics, String {{
    RelationSemanticsAttribute it = (RelationSemanticsAttribute) history.peek();
    it.set_semantics(dest);
  }}

  before -> RelationXMLElement, relationnameattribute, RelationNameAttribute {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    RelationNameAttribute p = new RelationNameAttribute();
    it.set_relationnameattribute(p);
    history.push(p);
  }}

  after -> RelationXMLElement, relationnameattribute, RelationNameAttribute {{
    history.pop();
  }}

  before -> RelationXMLElement, relationnumberattribute, RelationNumberAttribute {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    RelationNumberAttribute p = new RelationNumberAttribute();
    it.set_relationnumberattribute(p);
    history.push(p);
  }}

  after -> RelationXMLElement, relationnumberattribute, RelationNumberAttribute {{
    history.pop();
  }}

  before -> RelationXMLElement, relationarityattribute, RelationArityAttribute {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    RelationArityAttribute p = new RelationArityAttribute();
    it.set_relationarityattribute(p);
    history.push(p);
  }}

  after -> RelationXMLElement, relationarityattribute, RelationArityAttribute {{
    history.pop();
  }}

  before -> RelationXMLElement, relationnbtuplesattribute, RelationNbTuplesAttribute {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    RelationNbTuplesAttribute p = new RelationNbTuplesAttribute();
    it.set_relationnbtuplesattribute(p);
    history.push(p);
  }}

  after -> RelationXMLElement, relationnbtuplesattribute, RelationNbTuplesAttribute {{
    history.pop();
  }}

  before -> RelationXMLElement, relationsemanticsattribute, RelationSemanticsAttribute {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    RelationSemanticsAttribute p = new RelationSemanticsAttribute();
    it.set_relationsemanticsattribute(p);
    history.push(p);
  }}

  after -> RelationXMLElement, relationsemanticsattribute, RelationSemanticsAttribute {{
    history.pop();
  }}

  before -> RelationXMLElement, tuples, Tuple_PipeList {{
    RelationXMLElement it = (RelationXMLElement) history.peek();
    Tuple_PipeList p = new Tuple_PipeList();
    it.set_tuples(p);
    history.push(p);
  }}

  after -> RelationXMLElement, tuples, Tuple_PipeList {{
    history.pop();
  }}

  before -> Tuple, digit_nlist, Digit_NList {{
    Tuple it = (Tuple) history.peek();
    Digit_NList p = new Digit_NList();
    it.set_digit_nlist(p);
    history.push(p);
  }}

  after -> Tuple, digit_nlist, Digit_NList {{
    history.pop();
  }}

  before -> Digit, v, int {{
    Digit it = (Digit) history.peek();
    it.set_v(dest);
  }}

  before -> RelationsNbRelationsAttribute, nbRelations, String {{
    RelationsNbRelationsAttribute it = (RelationsNbRelationsAttribute) history.peek();
    it.set_nbRelations(dest);
  }}

  before -> RelationsXMLElement, relationsnbrelationsattribute, RelationsNbRelationsAttribute {{
    RelationsXMLElement it = (RelationsXMLElement) history.peek();
    RelationsNbRelationsAttribute p = new RelationsNbRelationsAttribute();
    it.set_relationsnbrelationsattribute(p);
    history.push(p);
  }}

  after -> RelationsXMLElement, relationsnbrelationsattribute, RelationsNbRelationsAttribute {{
    history.pop();
  }}

  before -> RelationsXMLElement, relationxmlelement_list, RelationXMLElement_List {{
    RelationsXMLElement it = (RelationsXMLElement) history.peek();
    RelationXMLElement_List p = new RelationXMLElement_List();
    it.set_relationxmlelement_list(p);
    history.push(p);
  }}

  after -> RelationsXMLElement, relationxmlelement_list, RelationXMLElement_List {{
    history.pop();
  }}

  before -> ConstraintNameAttribute, name, String {{
    ConstraintNameAttribute it = (ConstraintNameAttribute) history.peek();
    it.set_name(dest);
  }}

  before -> ConstraintArityAttribute, arity, String {{
    ConstraintArityAttribute it = (ConstraintArityAttribute) history.peek();
    it.set_arity(dest);
  }}

  before -> ConstraintXMLAttributes, constraintnameattribute, ConstraintNameAttribute {{
    ConstraintXMLAttributes it = (ConstraintXMLAttributes) history.peek();
    ConstraintNameAttribute p = new ConstraintNameAttribute();
    it.set_constraintnameattribute(p);
    history.push(p);
  }}

  after -> ConstraintXMLAttributes, constraintnameattribute, ConstraintNameAttribute {{
    history.pop();
  }}

  before -> ConstraintXMLAttributes, constraintarityattribute, ConstraintArityAttribute {{
    ConstraintXMLAttributes it = (ConstraintXMLAttributes) history.peek();
    ConstraintArityAttribute p = new ConstraintArityAttribute();
    it.set_constraintarityattribute(p);
    history.push(p);
  }}

  after -> ConstraintXMLAttributes, constraintarityattribute, ConstraintArityAttribute {{
    history.pop();
  }}

  before -> ConstraintXMLAttributes, scopeattribute, ScopeAttribute {{
    ConstraintXMLAttributes it = (ConstraintXMLAttributes) history.peek();
    ScopeAttribute p = new ScopeAttribute();
    it.set_scopeattribute(p);
    history.push(p);
  }}

  after -> ConstraintXMLAttributes, scopeattribute, ScopeAttribute {{
    history.pop();
  }}

  before -> ConstraintXMLAttributes, referencesattribute, ReferencesAttribute {{
    ConstraintXMLAttributes it = (ConstraintXMLAttributes) history.peek();
    ReferencesAttribute p = new ReferencesAttribute();
    it.set_referencesattribute(p);
    history.push(p);
  }}

  after -> ConstraintXMLAttributes, referencesattribute, ReferencesAttribute {{
    history.pop();
  }}

  before -> ScopeAttribute, scope, String {{
    ScopeAttribute it = (ScopeAttribute) history.peek();
    it.set_scope(dest);
  }}

  before -> ReferencesAttribute, references, String {{
    ReferencesAttribute it = (ReferencesAttribute) history.peek();
    it.set_references(dest);
  }}

  before -> ConstraintXMLElement, constraintxmlattributes, ConstraintXMLAttributes {{
    ConstraintXMLElement it = (ConstraintXMLElement) history.peek();
    ConstraintXMLAttributes p = new ConstraintXMLAttributes();
    it.set_constraintxmlattributes(p);
    history.push(p);
  }}

  after -> ConstraintXMLElement, constraintxmlattributes, ConstraintXMLAttributes {{
    history.pop();
  }}

  before -> ConstraintsXMLAttributes, nbConstraints, String {{
    ConstraintsXMLAttributes it = (ConstraintsXMLAttributes) history.peek();
    it.set_nbConstraints(dest);
  }}

  before -> ConstraintsXMLElement, constraintsxmlattributes, ConstraintsXMLAttributes {{
    ConstraintsXMLElement it = (ConstraintsXMLElement) history.peek();
    ConstraintsXMLAttributes p = new ConstraintsXMLAttributes();
    it.set_constraintsxmlattributes(p);
    history.push(p);
  }}

  after -> ConstraintsXMLElement, constraintsxmlattributes, ConstraintsXMLAttributes {{
    history.pop();
  }}

  before -> ConstraintsXMLElement, constraintxmlelement_list, ConstraintXMLElement_List {{
    ConstraintsXMLElement it = (ConstraintsXMLElement) history.peek();
    ConstraintXMLElement_List p = new ConstraintXMLElement_List();
    it.set_constraintxmlelement_list(p);
    history.push(p);
  }}

  after -> ConstraintsXMLElement, constraintxmlelement_list, ConstraintXMLElement_List {{
    history.pop();
  }}

  before -> PrintVisitor, indent, int {{
    PrintVisitor it = (PrintVisitor) history.peek();
    it.set_indent(dest);
  }}

  before -> PrintVisitor, needSpace, boolean {{
    PrintVisitor it = (PrintVisitor) history.peek();
    it.set_needSpace(dest);
  }}

  before -> SubgraphVisitor, is_equal, boolean {{
    SubgraphVisitor it = (SubgraphVisitor) history.peek();
    it.set_is_equal(dest);
  }}

  before -> EqualVisitor, is_equal, boolean {{
    EqualVisitor it = (EqualVisitor) history.peek();
    it.set_is_equal(dest);
  }}

  before -> DisplayVisitor, indent, int {{
    DisplayVisitor it = (DisplayVisitor) history.peek();
    it.set_indent(dest);
  }}

  before -> TraceVisitor, indent, int {{
    TraceVisitor it = (TraceVisitor) history.peek();
    it.set_indent(dest);
  }}

  before -> PresentationXMLAttribute_List, first, Nonempty_PresentationXMLAttribute_List {{
    PresentationXMLAttribute_List it = (PresentationXMLAttribute_List) history.peek();
    Nonempty_PresentationXMLAttribute_List p = new Nonempty_PresentationXMLAttribute_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> PresentationXMLAttribute_List, first, Nonempty_PresentationXMLAttribute_List {{
    history.pop();
  }}

  before -> DomainExp_List, first, Nonempty_DomainExp_List {{
    DomainExp_List it = (DomainExp_List) history.peek();
    Nonempty_DomainExp_List p = new Nonempty_DomainExp_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> DomainExp_List, first, Nonempty_DomainExp_List {{
    history.pop();
  }}

  before -> DomainXMLElement_List, first, Nonempty_DomainXMLElement_List {{
    DomainXMLElement_List it = (DomainXMLElement_List) history.peek();
    Nonempty_DomainXMLElement_List p = new Nonempty_DomainXMLElement_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> DomainXMLElement_List, first, Nonempty_DomainXMLElement_List {{
    history.pop();
  }}

  before -> VariableXMLElement_List, first, Nonempty_VariableXMLElement_List {{
    VariableXMLElement_List it = (VariableXMLElement_List) history.peek();
    Nonempty_VariableXMLElement_List p = new Nonempty_VariableXMLElement_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> VariableXMLElement_List, first, Nonempty_VariableXMLElement_List {{
    history.pop();
  }}

  before -> Tuple_PipeList, first, Nonempty_Tuple_PipeList {{
    Tuple_PipeList it = (Tuple_PipeList) history.peek();
    Nonempty_Tuple_PipeList p = new Nonempty_Tuple_PipeList();
    it.set_first(p);
    history.push(p);
  }}

  after -> Tuple_PipeList, first, Nonempty_Tuple_PipeList {{
    history.pop();
  }}

  before -> Digit_NList, first, Nonempty_Digit_NList {{
    Digit_NList it = (Digit_NList) history.peek();
    Nonempty_Digit_NList p = new Nonempty_Digit_NList();
    it.set_first(p);
    history.push(p);
  }}

  after -> Digit_NList, first, Nonempty_Digit_NList {{
    history.pop();
  }}

  before -> RelationXMLElement_List, first, Nonempty_RelationXMLElement_List {{
    RelationXMLElement_List it = (RelationXMLElement_List) history.peek();
    Nonempty_RelationXMLElement_List p = new Nonempty_RelationXMLElement_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> RelationXMLElement_List, first, Nonempty_RelationXMLElement_List {{
    history.pop();
  }}

  before -> ConstraintXMLElement_List, first, Nonempty_ConstraintXMLElement_List {{
    ConstraintXMLElement_List it = (ConstraintXMLElement_List) history.peek();
    Nonempty_ConstraintXMLElement_List p = new Nonempty_ConstraintXMLElement_List();
    it.set_first(p);
    history.push(p);
  }}

  after -> ConstraintXMLElement_List, first, Nonempty_ConstraintXMLElement_List {{
    history.pop();
  }}

  before -> Nonempty_PresentationXMLAttribute_List, it, PresentationXMLAttribute {{
    Nonempty_PresentationXMLAttribute_List it = (Nonempty_PresentationXMLAttribute_List) history.peek();
    Class c = dest.getClass();
    Object p = null;
    try {
      p = c.newInstance();
    } catch(Exception e) {
      e.printStackTrace();
    }
    it.set_it((PresentationXMLAttribute) p);
    history.push(p);
  }}

  after -> Nonempty_PresentationXMLAttribute_List, it, PresentationXMLAttribute {{
    history.pop();
  }}

  before -> Nonempty_PresentationXMLAttribute_List, next, Nonempty_PresentationXMLAttribute_List {{
    Nonempty_PresentationXMLAttribute_List it = (Nonempty_PresentationXMLAttribute_List) history.peek();
    Nonempty_PresentationXMLAttribute_List p = new Nonempty_PresentationXMLAttribute_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_PresentationXMLAttribute_List, next, Nonempty_PresentationXMLAttribute_List {{
    history.pop();
  }}

  before -> Nonempty_DomainExp_List, it, DomainExp {{
    Nonempty_DomainExp_List it = (Nonempty_DomainExp_List) history.peek();
    Class c = dest.getClass();
    Object p = null;
    try {
      p = c.newInstance();
    } catch(Exception e) {
      e.printStackTrace();
    }
    it.set_it((DomainExp) p);
    history.push(p);
  }}

  after -> Nonempty_DomainExp_List, it, DomainExp {{
    history.pop();
  }}

  before -> Nonempty_DomainExp_List, next, Nonempty_DomainExp_List {{
    Nonempty_DomainExp_List it = (Nonempty_DomainExp_List) history.peek();
    Nonempty_DomainExp_List p = new Nonempty_DomainExp_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_DomainExp_List, next, Nonempty_DomainExp_List {{
    history.pop();
  }}

  before -> Nonempty_DomainXMLElement_List, it, DomainXMLElement {{
    Nonempty_DomainXMLElement_List it = (Nonempty_DomainXMLElement_List) history.peek();
    DomainXMLElement p = new DomainXMLElement();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_DomainXMLElement_List, it, DomainXMLElement {{
    history.pop();
  }}

  before -> Nonempty_DomainXMLElement_List, next, Nonempty_DomainXMLElement_List {{
    Nonempty_DomainXMLElement_List it = (Nonempty_DomainXMLElement_List) history.peek();
    Nonempty_DomainXMLElement_List p = new Nonempty_DomainXMLElement_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_DomainXMLElement_List, next, Nonempty_DomainXMLElement_List {{
    history.pop();
  }}

  before -> Nonempty_VariableXMLElement_List, it, VariableXMLElement {{
    Nonempty_VariableXMLElement_List it = (Nonempty_VariableXMLElement_List) history.peek();
    VariableXMLElement p = new VariableXMLElement();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_VariableXMLElement_List, it, VariableXMLElement {{
    history.pop();
  }}

  before -> Nonempty_VariableXMLElement_List, next, Nonempty_VariableXMLElement_List {{
    Nonempty_VariableXMLElement_List it = (Nonempty_VariableXMLElement_List) history.peek();
    Nonempty_VariableXMLElement_List p = new Nonempty_VariableXMLElement_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_VariableXMLElement_List, next, Nonempty_VariableXMLElement_List {{
    history.pop();
  }}

  before -> Nonempty_Tuple_PipeList, it, Tuple {{
    Nonempty_Tuple_PipeList it = (Nonempty_Tuple_PipeList) history.peek();
    Tuple p = new Tuple();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_Tuple_PipeList, it, Tuple {{
    history.pop();
  }}

  before -> Nonempty_Tuple_PipeList, next, Nonempty_Tuple_PipeList {{
    Nonempty_Tuple_PipeList it = (Nonempty_Tuple_PipeList) history.peek();
    Nonempty_Tuple_PipeList p = new Nonempty_Tuple_PipeList();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_Tuple_PipeList, next, Nonempty_Tuple_PipeList {{
    history.pop();
  }}

  before -> Nonempty_Digit_NList, it, Digit {{
    Nonempty_Digit_NList it = (Nonempty_Digit_NList) history.peek();
    Digit p = new Digit();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_Digit_NList, it, Digit {{
    history.pop();
  }}

  before -> Nonempty_Digit_NList, next, Nonempty_Digit_NList {{
    Nonempty_Digit_NList it = (Nonempty_Digit_NList) history.peek();
    Nonempty_Digit_NList p = new Nonempty_Digit_NList();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_Digit_NList, next, Nonempty_Digit_NList {{
    history.pop();
  }}

  before -> Nonempty_RelationXMLElement_List, it, RelationXMLElement {{
    Nonempty_RelationXMLElement_List it = (Nonempty_RelationXMLElement_List) history.peek();
    RelationXMLElement p = new RelationXMLElement();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_RelationXMLElement_List, it, RelationXMLElement {{
    history.pop();
  }}

  before -> Nonempty_RelationXMLElement_List, next, Nonempty_RelationXMLElement_List {{
    Nonempty_RelationXMLElement_List it = (Nonempty_RelationXMLElement_List) history.peek();
    Nonempty_RelationXMLElement_List p = new Nonempty_RelationXMLElement_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_RelationXMLElement_List, next, Nonempty_RelationXMLElement_List {{
    history.pop();
  }}

  before -> Nonempty_ConstraintXMLElement_List, it, ConstraintXMLElement {{
    Nonempty_ConstraintXMLElement_List it = (Nonempty_ConstraintXMLElement_List) history.peek();
    ConstraintXMLElement p = new ConstraintXMLElement();
    it.set_it(p);
    history.push(p);
  }}

  after -> Nonempty_ConstraintXMLElement_List, it, ConstraintXMLElement {{
    history.pop();
  }}

  before -> Nonempty_ConstraintXMLElement_List, next, Nonempty_ConstraintXMLElement_List {{
    Nonempty_ConstraintXMLElement_List it = (Nonempty_ConstraintXMLElement_List) history.peek();
    Nonempty_ConstraintXMLElement_List p = new Nonempty_ConstraintXMLElement_List();
    it.set_next(p);
    history.push(p);
  }}

  after -> Nonempty_ConstraintXMLElement_List, next, Nonempty_ConstraintXMLElement_List {{
    history.pop();
  }}

}