public virtual void VisitUncheckedExpression(UncheckedExpression uncheckedExpression)
{
StartNode(uncheckedExpression);
WriteKeyword(UncheckedExpression.UncheckedKeywordRole);
LPar();
Space(policy.SpacesWithinCheckedExpressionParantheses);
uncheckedExpression.Expression.AcceptVisitor(this);
Space(policy.SpacesWithinCheckedExpressionParantheses);
RPar();
EndNode(uncheckedExpression);
}