@Override
    public int hashCode() {
        return super.hashCode();
    }
A specialization of {@link SinkRecord} that allows a {@link WorkerSinkTask} to track the
original {@link ConsumerRecord} for each {@link SinkRecord}. It is used internally and not
exposed to connectors.
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/InternalSinkRecord.java