Deprecation metadata for autconfiguration

[dsyer]

If an autoconfig class is deprecated it would be cool to be able to ask that the non-deprecated one should be preferred if both are available. It hasn't happened in the core of Boot yet, but it will do at some point, and it crops up with libraries like spring-cloud-context all the time. The deprecated class could be marked up via a properties or annotation entry maybe?

[philwebb]

Can you point us at the spring-cloud-context example? I'm not totally getting what you mean.

[dsyer]

I meant #4353 (i.e. if we migrate features from spring-cloud-context into Boot).

[snicoll]

Duplicate of #14860