public override DomainId <IAstNode> VisitTypeCheckExpression(QlParser.TypeCheckExpressionContext context)
{
var leftExpression = m_astFactory.CreateUntypedVariableName(context.leftIdentifier.Text);
var rightExpression = m_astFactory.CreateUntypedVariableName(context.rightIdentifier.Text);
return(CreateRelationalOperation(
context.relationalOperator().chosenOperator.Type,
context.GetText(),
leftExpression,
rightExpression,
context.relationalOperator().chosenOperator.Text));
}