anchor.diff:      ;
   
   constraint
  -    : brackettedExpression | builtInCall | functionCall
  +    : brackettedExpression
  +    | builtInCall
  +    | functionCall
       ;
   
   functionCall
  
positive.code: PATH;
  PATH_PRIMARY;
  PATH_NEGATED;
  }
  
  @header {
  
negative.code: 	
  triplesNode
      : OPEN_BRACE graphNode+ CLOSE_BRACE -> ^(COLLECTION graphNode+)
      | lsb=OPEN_SQUARE_BRACKET propertyListNotEmpty[new CommonTree(new CommonToken(VAR,"[]"))] CLOSE_SQUARE_BRACKET -> ^(VAR[$lsb,"[]"] propertyListNotEmpty)
      ;
  
  graphNode
  