Spring Introduce AutodetectMode enum for MBeanExporter [SPR-13137]

Mathieu Lachance opened SPR-13137 and commented

It would be nice for the MBeanExporter#setAutodetectMode to accept a newly created enum for AutodetectMode.

The work has been done for MBeanExporter#setRegistrationPolicy but not for AutodectMode.

If you have a look at RegistrationPolicy#valueOf it re-use the MBeanRegistrationSupport constants. To keep backward compatibility we could leverage the same pattern and/or maybe consider to ditch the pattern as it's already marked with @Deprecated.

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Affects: 4.1.6

Issue Links: - #13583 Introduce @EnableMBeanExport equivalent to

Comment From: jhoeller

As part of #30874, we rather intend to reduce the number of options on MBeanExporter, deprecating the constants and reducing autodetection to a boolean flag.