public virtual bool VisitEndStatement(EndStatement endStatement, object d)
 {
     if ((endStatement == null)) {
         return SetFailure();
     }
     if ((d == null)) {
         return SetFailure();
     }
     if(endStatement.GetType() != d.GetType()) {return SetFailure();}
     var data = (EndStatement)d;
     if (!IsMatch(endStatement, data)) {
         return SetFailure();
     }
     return true;
 }