Initializes a new instance of the DataContractJsonSerializer class to serialize or deserialize an object of a specified type with a collection of known types that may be present in the object graph.
Public Sub New ( _ type As Type, _ knownTypes As IEnumerable(Of Type) _ )
public DataContractJsonSerializer( Type type, IEnumerable<Type> knownTypes )
type is nullNothingnullptra null reference (Nothing in Visual Basic).
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