// This file is automatically generated by DemeterJ.

TraceVisitor {
  {{
    protected java.io.PrintWriter out = new java.io.PrintWriter(System.out, true);
    java.io.PrintWriter get_out()             { return out; }
    void set_out(java.io.PrintWriter new_out) { out = new_out; }
    TraceVisitor(java.io.PrintWriter out)     { set_out(out); }
    TraceVisitor(java.io.PrintStream out)
      { set_out(new java.io.PrintWriter(out, true)); }
  }}
  finish {{ out.flush(); }}


  before TraversalPaths {{
    out.println("before TraversalPaths");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after TraversalPaths {{
    out.println("after TraversalPaths");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraversalPaths, tracematch_list, TraceMatch_List {{
    out.println("before -> TraversalPaths, tracematch_list, TraceMatch_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraversalPaths, tracematch_list, TraceMatch_List {{
    out.println("after -> TraversalPaths, tracematch_list, TraceMatch_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before TraceMatch {{
    out.println("before TraceMatch");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after TraceMatch {{
    out.println("after TraceMatch");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraceMatch, decls, VariableDeclaration_CList {{
    out.println("before -> TraceMatch, decls, VariableDeclaration_CList ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraceMatch, decls, VariableDeclaration_CList {{
    out.println("after -> TraceMatch, decls, VariableDeclaration_CList ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraceMatch, SymbolDeclaration, Symbol_List {{
    out.println("before -> TraceMatch, SymbolDeclaration, Symbol_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraceMatch, SymbolDeclaration, Symbol_List {{
    out.println("after -> TraceMatch, SymbolDeclaration, Symbol_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraceMatch, regex, RegEx {{
    out.println("before -> TraceMatch, regex, RegEx ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraceMatch, regex, RegEx {{
    out.println("after -> TraceMatch, regex, RegEx ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before VariableDeclaration {{
    out.println("before VariableDeclaration");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after VariableDeclaration {{
    out.println("after VariableDeclaration");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> VariableDeclaration, nodename, NodeName {{
    out.println("before -> VariableDeclaration, nodename, NodeName ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> VariableDeclaration, nodename, NodeName {{
    out.println("after -> VariableDeclaration, nodename, NodeName ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> VariableDeclaration, variablename, VariableName {{
    out.println("before -> VariableDeclaration, variablename, VariableName ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> VariableDeclaration, variablename, VariableName {{
    out.println("after -> VariableDeclaration, variablename, VariableName ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Symbol {{
    out.println("before Symbol");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Symbol {{
    out.println("after Symbol");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Symbol, name, Name {{
    out.println("before -> Symbol, name, Name ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Symbol, name, Name {{
    out.println("after -> Symbol, name, Name ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Symbol, kind, Kind {{
    out.println("before -> Symbol, kind, Kind ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Symbol, kind, Kind {{
    out.println("after -> Symbol, kind, Kind ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Symbol, selectorexp, SelectorExp {{
    out.println("before -> Symbol, selectorexp, SelectorExp ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Symbol, selectorexp, SelectorExp {{
    out.println("after -> Symbol, selectorexp, SelectorExp ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Kind {{
    out.println("before Kind");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Kind {{
    out.println("after Kind");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Before {{
    out.println("before Before");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Before {{
    out.println("after Before");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before After {{
    out.println("before After");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after After {{
    out.println("after After");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before SelectorExp {{
    out.println("before SelectorExp");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after SelectorExp {{
    out.println("after SelectorExp");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Simple {{
    out.println("before Simple");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Simple {{
    out.println("after Simple");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before NodeVisit {{
    out.println("before NodeVisit");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after NodeVisit {{
    out.println("after NodeVisit");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> NodeVisit, nodename, NodeName {{
    out.println("before -> NodeVisit, nodename, NodeName ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> NodeVisit, nodename, NodeName {{
    out.println("after -> NodeVisit, nodename, NodeName ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Target {{
    out.println("before Target");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Target {{
    out.println("after Target");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Target, variablename, VariableName {{
    out.println("before -> Target, variablename, VariableName ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Target, variablename, VariableName {{
    out.println("after -> Target, variablename, VariableName ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before This {{
    out.println("before This");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after This {{
    out.println("after This");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> This, variablename, VariableName {{
    out.println("before -> This, variablename, VariableName ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> This, variablename, VariableName {{
    out.println("after -> This, variablename, VariableName ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Compound {{
    out.println("before Compound");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Compound {{
    out.println("after Compound");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Compound, op, Op {{
    out.println("before -> Compound, op, Op ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Compound, op, Op {{
    out.println("after -> Compound, op, Op ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Compound, args, SelectorExp_List {{
    out.println("before -> Compound, args, SelectorExp_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Compound, args, SelectorExp_List {{
    out.println("after -> Compound, args, SelectorExp_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Op {{
    out.println("before Op");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Op {{
    out.println("after Op");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Union {{
    out.println("before Union");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Union {{
    out.println("after Union");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Intersection {{
    out.println("before Intersection");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Intersection {{
    out.println("after Intersection");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before RegEx {{
    out.println("before RegEx");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after RegEx {{
    out.println("after RegEx");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Name {{
    out.println("before Name");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Name {{
    out.println("after Name");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Name, ident, Ident {{
    out.println("before -> Name, ident, Ident ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Name, ident, Ident {{
    out.println("after -> Name, ident, Ident ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before NodeName {{
    out.println("before NodeName");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after NodeName {{
    out.println("after NodeName");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> NodeName, ident, Ident {{
    out.println("before -> NodeName, ident, Ident ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> NodeName, ident, Ident {{
    out.println("after -> NodeName, ident, Ident ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before MethodName {{
    out.println("before MethodName");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after MethodName {{
    out.println("after MethodName");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> MethodName, ident, Ident {{
    out.println("before -> MethodName, ident, Ident ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> MethodName, ident, Ident {{
    out.println("after -> MethodName, ident, Ident ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before VariableName {{
    out.println("before VariableName");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after VariableName {{
    out.println("after VariableName");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> VariableName, ident, Ident {{
    out.println("before -> VariableName, ident, Ident ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> VariableName, ident, Ident {{
    out.println("after -> VariableName, ident, Ident ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Main {{
    out.println("before Main");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Main {{
    out.println("after Main");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before PrintVisitor {{
    out.println("before PrintVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after PrintVisitor {{
    out.println("after PrintVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> PrintVisitor, indent, int {{
    out.println("before -> PrintVisitor, indent, int ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> PrintVisitor, indent, int {{
    out.println("after -> PrintVisitor, indent, int ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> PrintVisitor, needSpace, boolean {{
    out.println("before -> PrintVisitor, needSpace, boolean ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> PrintVisitor, needSpace, boolean {{
    out.println("after -> PrintVisitor, needSpace, boolean ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before CopyVisitor {{
    out.println("before CopyVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after CopyVisitor {{
    out.println("after CopyVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> CopyVisitor, copy, Object {{
    out.println("before -> CopyVisitor, copy, Object ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> CopyVisitor, copy, Object {{
    out.println("after -> CopyVisitor, copy, Object ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before SubgraphVisitor {{
    out.println("before SubgraphVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after SubgraphVisitor {{
    out.println("after SubgraphVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> SubgraphVisitor, is_equal, boolean {{
    out.println("before -> SubgraphVisitor, is_equal, boolean ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> SubgraphVisitor, is_equal, boolean {{
    out.println("after -> SubgraphVisitor, is_equal, boolean ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before EqualVisitor {{
    out.println("before EqualVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after EqualVisitor {{
    out.println("after EqualVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> EqualVisitor, is_equal, boolean {{
    out.println("before -> EqualVisitor, is_equal, boolean ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> EqualVisitor, is_equal, boolean {{
    out.println("after -> EqualVisitor, is_equal, boolean ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before DisplayVisitor {{
    out.println("before DisplayVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after DisplayVisitor {{
    out.println("after DisplayVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> DisplayVisitor, indent, int {{
    out.println("before -> DisplayVisitor, indent, int ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> DisplayVisitor, indent, int {{
    out.println("after -> DisplayVisitor, indent, int ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before TraceVisitor {{
    out.println("before TraceVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after TraceVisitor {{
    out.println("after TraceVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraceVisitor, indent, int {{
    out.println("before -> TraceVisitor, indent, int ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraceVisitor, indent, int {{
    out.println("after -> TraceVisitor, indent, int ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before UniversalVisitor {{
    out.println("before UniversalVisitor");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after UniversalVisitor {{
    out.println("after UniversalVisitor");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before TraceMatch_List {{
    out.println("before TraceMatch_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after TraceMatch_List {{
    out.println("after TraceMatch_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> TraceMatch_List, first, Nonempty_TraceMatch_List {{
    out.println("before -> TraceMatch_List, first, Nonempty_TraceMatch_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> TraceMatch_List, first, Nonempty_TraceMatch_List {{
    out.println("after -> TraceMatch_List, first, Nonempty_TraceMatch_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before VariableDeclaration_CList {{
    out.println("before VariableDeclaration_CList");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after VariableDeclaration_CList {{
    out.println("after VariableDeclaration_CList");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> VariableDeclaration_CList, first, Nonempty_VariableDeclaration_CList {{
    out.println("before -> VariableDeclaration_CList, first, Nonempty_VariableDeclaration_CList ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> VariableDeclaration_CList, first, Nonempty_VariableDeclaration_CList {{
    out.println("after -> VariableDeclaration_CList, first, Nonempty_VariableDeclaration_CList ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Symbol_List {{
    out.println("before Symbol_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Symbol_List {{
    out.println("after Symbol_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Symbol_List, first, Nonempty_Symbol_List {{
    out.println("before -> Symbol_List, first, Nonempty_Symbol_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Symbol_List, first, Nonempty_Symbol_List {{
    out.println("after -> Symbol_List, first, Nonempty_Symbol_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before SelectorExp_List {{
    out.println("before SelectorExp_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after SelectorExp_List {{
    out.println("after SelectorExp_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> SelectorExp_List, first, Nonempty_SelectorExp_List {{
    out.println("before -> SelectorExp_List, first, Nonempty_SelectorExp_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> SelectorExp_List, first, Nonempty_SelectorExp_List {{
    out.println("after -> SelectorExp_List, first, Nonempty_SelectorExp_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Nonempty_TraceMatch_List {{
    out.println("before Nonempty_TraceMatch_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Nonempty_TraceMatch_List {{
    out.println("after Nonempty_TraceMatch_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_TraceMatch_List, it, TraceMatch {{
    out.println("before -> Nonempty_TraceMatch_List, it, TraceMatch ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_TraceMatch_List, it, TraceMatch {{
    out.println("after -> Nonempty_TraceMatch_List, it, TraceMatch ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_TraceMatch_List, next, Nonempty_TraceMatch_List {{
    out.println("before -> Nonempty_TraceMatch_List, next, Nonempty_TraceMatch_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_TraceMatch_List, next, Nonempty_TraceMatch_List {{
    out.println("after -> Nonempty_TraceMatch_List, next, Nonempty_TraceMatch_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Nonempty_VariableDeclaration_CList {{
    out.println("before Nonempty_VariableDeclaration_CList");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Nonempty_VariableDeclaration_CList {{
    out.println("after Nonempty_VariableDeclaration_CList");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_VariableDeclaration_CList, it, VariableDeclaration {{
    out.println("before -> Nonempty_VariableDeclaration_CList, it, VariableDeclaration ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_VariableDeclaration_CList, it, VariableDeclaration {{
    out.println("after -> Nonempty_VariableDeclaration_CList, it, VariableDeclaration ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_VariableDeclaration_CList, next, Nonempty_VariableDeclaration_CList {{
    out.println("before -> Nonempty_VariableDeclaration_CList, next, Nonempty_VariableDeclaration_CList ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_VariableDeclaration_CList, next, Nonempty_VariableDeclaration_CList {{
    out.println("after -> Nonempty_VariableDeclaration_CList, next, Nonempty_VariableDeclaration_CList ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Nonempty_Symbol_List {{
    out.println("before Nonempty_Symbol_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Nonempty_Symbol_List {{
    out.println("after Nonempty_Symbol_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_Symbol_List, it, Symbol {{
    out.println("before -> Nonempty_Symbol_List, it, Symbol ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_Symbol_List, it, Symbol {{
    out.println("after -> Nonempty_Symbol_List, it, Symbol ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_Symbol_List, next, Nonempty_Symbol_List {{
    out.println("before -> Nonempty_Symbol_List, next, Nonempty_Symbol_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_Symbol_List, next, Nonempty_Symbol_List {{
    out.println("after -> Nonempty_Symbol_List, next, Nonempty_Symbol_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before Nonempty_SelectorExp_List {{
    out.println("before Nonempty_SelectorExp_List");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after Nonempty_SelectorExp_List {{
    out.println("after Nonempty_SelectorExp_List");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_SelectorExp_List, it, SelectorExp {{
    out.println("before -> Nonempty_SelectorExp_List, it, SelectorExp ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_SelectorExp_List, it, SelectorExp {{
    out.println("after -> Nonempty_SelectorExp_List, it, SelectorExp ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  before -> Nonempty_SelectorExp_List, next, Nonempty_SelectorExp_List {{
    out.println("before -> Nonempty_SelectorExp_List, next, Nonempty_SelectorExp_List ");
    indent++;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
  after -> Nonempty_SelectorExp_List, next, Nonempty_SelectorExp_List {{
    out.println("after -> Nonempty_SelectorExp_List, next, Nonempty_SelectorExp_List ");
    indent--;
    for (int i = 0; i < indent; i++) out.print(" ");
  }}
}