https://learn.microsoft.com/cs-cz/dotnet/api/system.xml.schema.xmlschemacontentmodel?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XmlSchemaContentModel Class (System.Xml.Schema) | Microsoft Learn
Specifies the order and structure of the child elements of a type.
class systemxml schemamicrosoftlearn