2024
crackIT - How to handle exception in Microservices architecture? | Code Demo of 35:10
    https://www.youtube.com/watch?v=4CN-s1S9dwU
    ! 21:00 public class CustomFeignDecoder implement ErrorDecoder {...}
2022
SpringIO - Declarative Clients in Spring by Rossen Stoyanchev and Olga Maciaszek-Sharma 0:00 of 48:18
    https://www.youtube.com/watch?v=5LNOnVJKW_4
SpringDeveloper - Declarative Clients in Spring 0:00 of 36:25
    https://www.youtube.com/watch?v=3NcmlrumSOc