@Override
    public ChangelogMode getChangelogMode(ChangelogMode requestedMode) {
        return this.valueEncodingFormat.getChangelogMode();
    }
Metadata that is appended at the end of a physical sink row.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/pulsar/src/main/java/org/apache/inlong/sort/pulsar/table/PulsarDynamicTableSink.java