Deserialization Error: Doesn't know how to deserialize class "Array"
Deserialization Error: Wrong type on `E::b` expected `Array[nullable Serializable]`, got `null`
# Nit:
-<E: 2222>
+<F: 2222>
# Json:
{"__kind": "obj", "__id": 0, "__class": "F","n":2222}
Deserialization Error: Doesn't know how to deserialize class "F"
# Nit:
-<E: 33.33>
+<F: 33.33>
# Json:
{"__kind": "obj", "__id": 0, "__class": "F","n":33.33}