before:

- Method `validate_retry` has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
- Method `validate_retry_max` has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
- Method `validate_retry_when` has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.