RFR: 8275338: Add JFR events for notable serialization situations [v4]

[Jaikiran Pai]

On Tue, 19 Dec 2023 12:21:05 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> Adds serialization misdeclaration events to JFR.
>
> Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Better name for a label, corrected name of removed field.

src/java.base/share/classes/jdk/internal/event/SerializationMisdeclarationEvent.java line 94:

> 92: 
> 93:     /*
> 94:      * These constants are not final on purpose.

Just curious - what's the purpose? I don't see them being changed/updated anywhere (not even in tests).

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PR Review Comment: https://git.openjdk.org/jdk/pull/17129#discussion_r1431551183