Spring Support @HttpExchange for server-side handling

Comment From: quaff

I would like using RequestMapping instead of HttpExchange like feign does, not contrary.

Comment From: OlgaMaciaszek

@quaff This is not something we're planning to support. Please see more details in @rstoyanchev 's comment.

Comment From: OlgaMaciaszek

Fixes gh-30913.