This contains stuff that are specific to 2sxc for all web platforms (Dnn, NopCommerce, Oqtane, etc.)
Basically it's the CMS parts, without being specific to Dnn implementations.
Implementation of IHtmlString in both .net Framework and .net Standard.
This means that any such object will automatically be Raw output if used as
@SomeHybridHtmlString so it's the same as