As mentioned in #4673, the existence check for interfaces is not correct and actually checking for classes. The PR will correct the check.
Co-authored-by: Lars Hvam <larshp@hotmail.com>
* INTF: Refactor to fix "permission error"
Implements interface deserializer the same way as the class deserializer.
Closes#4672
* Remove types
* Class exists
Co-authored-by: Lars Hvam <larshp@hotmail.com>