feat(rust): support shared reference tracking for arc/rc<dny T> #2707
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urlyy
approved these changes
Oct 6, 2025
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Why?
What does this PR do?
This PR supports shared ref for arc/rc by forward serialization/deserialization to
arc/rc<dny T>usingupcast/downcastRelated issues
Closes #2705
#2691
#2704
Does this PR introduce any user-facing change?
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