@Override
        public ChangelogMode getChangelogMode() {
            return SINK_CHANGELOG_MODE;
        }
It is used to wrap the encoding format and expose the desired changelog mode. It's only works
for insert-only format.
inlong-sort/sort-flink/sort-flink-v1.18/sort-connectors/kafka/src/main/java/org/apache/inlong/sort/kafka/table/UpsertKafkaDynamicTableFactory.java