https://learn.microsoft.com/cs-cz/dotnet/api/system.xml.schema.xmlschemainclude?view=net-10.0
XmlSchemaInclude Class (System.Xml.Schema) | Microsoft Learn
Represents the include element from XML Schema as specified by the World Wide Web Consortium (W3C). This class is used to include declarations and definitions...
class systemxml schemamicrosoftlearn