/// <summary>
/// ConstantExpression visit method
/// </summary>
/// <param name="c">The ConstantExpression expression to visit</param>
/// <returns>The visited ConstantExpression expression </returns>
internal override Expression VisitConstant(ConstantExpression c)
{
throw new NotSupportedException(Strings.ALinq_ConstantNotSupported(c.Value));
}