jackye1995 commented on code in PR #6565:
URL: https://github.com/apache/iceberg/pull/6565#discussion_r1070159167


##########
core/src/main/java/org/apache/iceberg/view/BaseViewHistoryEntry.java:
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@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.iceberg.view;
+
+import org.immutables.value.Value;
+
[email protected]
+public interface BaseViewHistoryEntry extends ViewHistoryEntry {

Review Comment:
   maybe a dumb question, why don’t we just add immutable annotation on the 
interface in that case?
   
   ```
   @Value.Immutable
   public interface ViewLogEntry extends ViewHistoryEntry {
     long timestampMillis();
   
     int versionId();
   }
   ```
   
   ```
   public interface ViewHistoryEntry {
     /** Return the timestamp in milliseconds of the change */
     long timestampMillis();
   
     /** Return ID of the new current version */
     int versionId();
   }
   ```



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