ah, regards to the write i added a simple check here:
https://github.com/stalep/hibernate-orm/commit/13311fdab679d13c605e86eae563c15ee93eb6e4#L0R783
i just commented out your System.out.println and added a call to the tracker method.
im using a List though since i didnt think a map was needed. if we need a map let me know and ill change that.

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