Deserialization Error: `DangerSub` is not a subtype of the static type `MyClass`
Deserialization Error: Wrong type on `MyClass::other` expected `MyClass`, got `null`
Deserialization Error: `DangerSub` is not a subtype of the static type `MyClass`
Deserialization Error: Wrong type on `MyClass::next` expected `MyClass`, got `null`