docs: public void commit_one_phase() throws RollbackException, HeuristicMixedException, HeuristicHazardException, HeuristicRollbackException, SecurityException, IllegalStateException, SystemException {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "commit_one_phase");
  
          // This call is only valid for a single subordinate - treat as a "superior"
          _subordinate = false;
  
          try {
              processCommit();
          } finally {
              if (tc.isEntryEnabled())
                  Tr.exit(tc, "commit_one_phase");
          }
      }