- * subtransactoins.
- * @param listener
- * Error listener which should be notified if transaction failed.
- * @return ListenableFuture which contains RpcResult with
- * {@link TransactionStatus#COMMITED} if commit coordination on
- * cohorts finished successfully.
- *
+ * subtransactions.
+ * @return a CheckedFuture. if commit coordination on cohorts finished successfully,
+ * nothing is returned from the Future, On failure,
+ * the Future fails with a {@link TransactionCommitFailedException}.
+ *