public static FileIncludeLoader <TItem> Serialize(FileIncludeLoader <TItem> instance, SimpleXmlSerializerBase serializer)
{
instance = instance ?? throw new ArgumentNullException(nameof(instance));
// Skip root element when reading
serializer.ProcessEnterChildOnRead();
serializer.ProcessCollection(
instance.Items,
itemSerializer => serializer.CreateByKnownInheritors <TItem>(
serializer.CurrentXmlElement.Name,
itemSerializer
));
return(instance);
}