XML atributes to XML element

https://stackoverflow.com/questions/10728017/convert-all-xml-attributes-to-elements

https://stackoverflow.com/questions/10645359/convert-xml-attributes-to-elements-xslt

https://stackoverflow.com/questions/31401620/convert-xml-elements-to-xml-attributes-using-xslt

https://stackoverflow.com/questions/6496334/c-sharp-to-convert-xml-attributes-to-elements

https://docs.microsoft.com/ru-ru/dotnet/standard/serialization/controlling-xml-serialization-using-attributes

https://stackoverflow.com/questions/30747477/get-xml-node-by-attribute-value-and-de-serialize-that-node