@Override
        public int hashCode() {
            return transactionalIds.hashCode();
        }
Context associated to this instance of the {@link FlinkKafkaProducer}. User for keeping track
of the transactionalIds.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/kafka/src/main/java/org/apache/inlong/sort/kafka/FlinkKafkaProducer.java