[code-reflection] Integrated: Added HatVarOp marker interface and OpTk helpers

[Gary Frost]

On Wed, 17 Dec 2025 13:09:22 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Added HATVarOp marker interface to group HATOp's yielding a varName;
> 
> Also added some OpTk helpers to simplyfy selecting op's for transformations.

This pull request has now been integrated.

Changeset: 74dc49d7
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/74dc49d70afb3374a7754443e09dbe7ab7bf083f
Stats:     95 lines in 6 files changed: 37 ins; 13 del; 45 mod

Added HatVarOp marker interface and OpTk helpers

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PR: https://git.openjdk.org/babylon/pull/755