RFR: 8284640: CollectorImpl class could be a record class

[Roger Riggs]

On Mon, 11 Apr 2022 13:08:43 GMT, altrisi <duke at openjdk.org> wrote:

> Changes the definition of `CollectorImpl` to be a record.

Marked as reviewed by rriggs (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/8179