void abortableError(RuntimeException e) {
            result.fail(e);
            transitionToAbortableError(e);
        }
Returns the first inflight sequence for a given partition. This is the base sequence of an inflight batch with
the lowest sequence number.
@return the lowest inflight sequence if the transaction manager is tracking inflight requests for this partition.
        If there are no inflight requests being tracked for this partition, this method will return
        RecordBatch.NO_SEQUENCE.
clients/src/main/java/org/apache/kafka/clients/producer/internals/TransactionManager.java