Provide information for ExtensionObject decoding via DataTypeDictionaryType

examples/nodeset/testnodeset.csv

@@ -1,5 +1,7 @@
 Structs,5001,Object
 Point_Encoding_DefaultBinary,5002,Object
+NestedPoint_Encoding_DefaultBinary,5003,Object
+PointWithArray_Encoding_DefaultBinary,5004,Object
 BaseDataTypes,5100,Object
 BaseDataTypes_Double,5101,Variable
 BaseDataTypes_Uint32,5102,Variable
@@ -13,4 +15,4 @@ Structs_StaticNodeIdTypes,15963,Variable
 BaseDataTypes_String1_scalar,16001,Variable
 BaseDataTypes_ByteString_Scalar,16002,Variable
 PointWithArray,3003,DataType
-NestedPoint,10008,DataType
+NestedPoint,10008,DataType