RFR: 8345343: Hide java.lang.classfile.components package to implementation

[Chen Liang]

On Mon, 2 Dec 2024 23:55:00 GMT, Chen Liang <liach at openjdk.org> wrote:

> The java.lang.classfile.components package was underused and had almost no usage feedback; as a result, it did not caught attention during the preview process of the Class-File API, until the late adoption when Class-File API is sure to become finalized.
> 
> To compensate in such a short time to the stabilization of JDK 24, we propose to temporarily move this package to jdk.internal instead. This allows us to better consider the role of this package and its members.
> 
> See https://mail.openjdk.org/pipermail/classfile-api-dev/2024-November/000611.html for initial problem discovery and https://mail.openjdk.org/pipermail/classfile-api-dev/2024-December/000613.html for revision proposal.

After offline discussion, we decide to stick to continued preview status to facilitate adoption. #22501

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PR Comment: https://git.openjdk.org/jdk/pull/22503#issuecomment-2515058684