[foreign-memaccess+abi] RFR: Convert local classes to proper utility classes

[Maurizio Cimadamore]

On Mon, 9 Oct 2023 20:18:52 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR proposes to convert local holder classes to proper utility classes. 
> 
> The utility of this PR can be discussed as there are valid arguments for keeping the code as it is and also to accept the PR.
> 
> Let me know your thoughts.

Let's leave this alone - as discussed elsewhere, as long as the classes aren't public, marking the constructor private doesn't change much. In this case, the classes in question cannot even be referenced, as they are local classes.

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PR Comment: https://git.openjdk.org/panama-foreign/pull/904#issuecomment-1754026066