public override void EnterExistsExpessionAtom(MySqlParser.ExistsExpessionAtomContext context)
        {
            if (_isOtherListener == 1)
            {
                if (context.ChildCount > 1)
                {
                    Rules.Remove(Rules[Rules.Count - 1]);
                }

                ExistsExpessionAtom existsExpessionAtom =
                    new ExistsExpessionAtom(context.SourceInterval, context, context.GetText());

                Rules.Add(existsExpessionAtom);
            }
            _isOtherListener++;
        }