public override Expression VisitElement(XElement element, IInitializationContext context)
{
var nameAttribute = element
.Attributes(NameAttributeName)
.Select(attr => attr.Value)
.FirstOrDefault();
if (nameAttribute == null)
{
throw new ConfirurationFileFormatException("Alias element must have name attribute");
}
if (element.HasElements)
{
throw new ConfirurationFileFormatException("Alias element shoudn't have child elements");
}
return(context.GetAlias(nameAttribute));
}