wjddn279 commented on code in PR #56821:
URL: https://github.com/apache/airflow/pull/56821#discussion_r2453591002


##########
airflow-core/src/airflow/configuration.py:
##########
@@ -1248,6 +1249,48 @@ def getlist(self, section: str, key: str, delimiter=",", 
**kwargs):
                 f'Current value: "{val}".'
             )
 
+    E = TypeVar("E", bound=Enum)

Review Comment:
   I got the idea for this implementation from [this 
review](https://github.com/apache/airflow/pull/56821#discussion_r2442479331)
   
   As you know, the main difference from the `get` function is that by 
explicitly specifying the enum type when retrieving the configuration, the 
compiler can provide a certain level of guarantee for the expected value or 
it's combinations. This also removes the need for a separate filtering logic.
   
   That said, I’m aware that this might be a bit over-engineered — it’s a 
trade-off between type safety and simplicity, and in some cases it might feel 
redundant.
   
   I'd also like to hear @potiuk's thoughts on this!



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