Github user tzulitai commented on a diff in the pull request: https://github.com/apache/flink/pull/5173#discussion_r160608269 --- Diff: flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/util/serialization/KeyedSerializationSchema.java --- @@ -26,6 +28,7 @@ * * @param <T> The type to be serialized. */ +@Internal --- End diff -- `KeyedSerializationSchema` should be `@PublicEvolving`.
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