/// <summary>
/// Add sanitation for a property.
/// </summary>
/// <param name="sanitizer">The sanitation logic</param>
/// <returns>This <c>RuleBuilder</c> instance to configure additional sanitizers</returns>
public RuleBuilder <T, TProperty> SetSanitizer(Func <T, TProperty> sanitizer)
{
_sanitizer.AddRule(_key, (s, t) => sanitizer(t) !);
return(this);
}