docs: public final void declareAlreadyPrecommitted() throws TaskListException
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "declareAlreadyPrecommitted");
  
          if (STATE_UNTOUCHED == _state)
          {
              _state = STATE_END_PRECOMMIT;
          }
          else if (STATE_END_PRECOMMIT == _state)
          {
              // declared precommitted already
          }
          else
          {
              if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "declareAlreadyPrecommitted");
              throw new TaskListException(_state);
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "declareAlreadyPrecommitted");
      }