getXmlDeserializationContext method
Returns the active XmlDeserializationContext, creating it lazily if necessary.
The deserialization context maintains access to registered XML deserializers and the state needed to convert XML nodes into Dart objects.
A new context is instantiated upon first request.
Implementation
XmlDeserializationContext getXmlDeserializationContext() =>
_xmlDeserializationContext ?? XmlDeserializationContext(this, _xmlDeserializers);