The Varianttype specifies the value for a Variableor VariableType Node. This type is the same as the type defined in 18.104.22.168. As a result, the functions used to serialize Variantsduring Servicecalls can be used to serialize Variantin this file syntax.
Variantscan also contain ExtensionObjectswhich contain and EncodingIdand a Structurewith fields which could be are NodeIds, ExpandedNodeIdsor QualifiedNames. The NamespaceIndexesand ServerIndexesin these fields shall also reference the tables in the UANodeSet.