In AppConfig, the generated operation delete_key_value() will return the deleted key-value when status code is 200, or none when status code is 204 if the key-value didn't exist(Rest API link). But the generated implementation trying to deserialize return data in both cases.

Expected should be:

In AppConfig, the generated operation

delete_key_value()will return the deleted key-value when status code is 200, or none when status code is 204 if the key-value didn't exist(Rest API link). But the generated implementation trying to deserialize return data in both cases.Expected should be:
