vcrfxia commented on code in PR #13274:
URL: https://github.com/apache/kafka/pull/13274#discussion_r1110458817


##########
streams/src/main/java/org/apache/kafka/streams/kstream/internals/KeyValueStoreMaterializer.java:
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@@ -17,23 +17,30 @@
 package org.apache.kafka.streams.kstream.internals;
 
 import org.apache.kafka.common.utils.Bytes;
+import org.apache.kafka.common.utils.Time;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.KeyValueStore;
 import org.apache.kafka.streams.state.StoreBuilder;
 import org.apache.kafka.streams.state.Stores;
-import org.apache.kafka.streams.state.TimestampedKeyValueStore;
+import org.apache.kafka.streams.state.VersionedBytesStoreSupplier;
+import 
org.apache.kafka.streams.state.internals.TimestampedKeyValueStoreBuilder;
+import org.apache.kafka.streams.state.internals.VersionedKeyValueStoreBuilder;
 
-public class TimestampedKeyValueStoreMaterializer<K, V> {
+/**
+ * Materializes a key-value store as either a {@link 
TimestampedKeyValueStoreBuilder} or a
+ * {@link VersionedKeyValueStoreBuilder} depending on whether the store is 
versioned or not.
+ */
+public class KeyValueStoreMaterializer<K, V> {

Review Comment:
   While renaming this class in IntelliJ, I got a warning that a class with 
this name existed in a previous version of Kafka Streams. I think this is fine 
since it's an internal class, but wanted to call it out in case there are 
compatibility concerns I'm not aware of.



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