anuragmantri commented on code in PR #11304:
URL: https://github.com/apache/iceberg/pull/11304#discussion_r1797771433
##########
api/src/main/java/org/apache/iceberg/util/CharSequenceMap.java:
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@@ -132,12 +133,12 @@ public Set<CharSequence> keySet() {
keySet.add(wrapper.get());
}
- return keySet;
+ return Collections.unmodifiableSet(keySet);
Review Comment:
Thanks @findepi. Let me check the other map implementations and make sure
they follow the
[Map](https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html)
contract.
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