Fokko opened a new issue, #724:
URL: https://github.com/apache/iceberg-rust/issues/724

   With each snapshot comes a summary map, optional in V1, required in V2 and 
later: 
   
   
![image](https://github.com/user-attachments/assets/87610e26-65f7-4322-8f7c-9eea318f502f)
   
   The summary contains information such as what kind of files the snapshot 
contains (data/delete), and what the changes are in rows and bytes. The best 
way to replicate this metrics collection is by looking at the Java code: 
https://github.com/apache/iceberg/blob/main/core/src/main/java/org/apache/iceberg/SnapshotSummary.java
   
   This class works closely alongside the `SnapshotProducer` and tracks what 
happens with the snapshot.


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