jrhee17

> Is the following the correct order of precedence for applied headers? There are a couple places where the header can be set, but more or less I think the...

> mutateDefaultRequestHeaders() could be used by the headers updating decorator instead of .mapHeaders() for the dynamic headers. I assume you are suggesting a completely different design from the discussed one....

> I imagined that it would be easier to implement if WebClient provided AuthTokenProvider: () -> CompletableFuture that has the same priority as AuthToken. I agree having such an API...

Took a quick look through the API/source and looks promising! 👍 If I understood correctly, this can be a much simpler solution over `RequestContextHooks`

> If overridable is set to true, ArmeriaSettings will be applied before ArmeriaServerConfigurator is applied. So if `overridable: true`, then which settings will be overridable? I think we should clearly...

> If I wrote a novel... Let's say an ArmeriaServerConfigurator bean is injected by other modules or libraries. The code owner may not want ArmeriaServerConfigurator to change. But it would...

Please sign the CLA if you haven't already @seonwoo960000 🙇

> @jrhee17 thanks for the review. Seems like I've already signed up the CLS as follows https://github.com/line/armeria/pull/4982#issuecomment-2028105601 Can you try modifying the authoring email of your commits so that we...

Looking back into this, I'm not sure if there is really much value in adding a meter for this particular scenario. Let me close this PR and revisit later

This PR has been stale for a while - I've added a commit to get it moving forward. Changes include: - Now, only a single header map is created, followed...