public <R, E extends UserException> R accept(UserExceptionReturnExceptionVisitor<R, E> visitor)
     throws PersistenceException, E {
   return visitor.handleMinLimitHigherMaxLimitException(this);
 }
 public <R, E extends UserException> R accept(UserExceptionReturnExceptionVisitor<R, E> visitor)
     throws PersistenceException, E {
   return visitor.handleDeletedException(this);
 }