@Override
    public int hashCode() {
        return Objects.hash(kuduTableInfo);
    }
The names of the key fields of the upsert stream consumed by this sink.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/kudu/src/main/java/org/apache/inlong/sort/kudu/table/KuduDynamicTableSink.java