docs: public final boolean isStarted() {
  
          String thisMethodName = "isStarted";
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              SibTr.entry(tc, thisMethodName, this);
          }
  
          boolean retVal = (_state == STATE_STARTED);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              SibTr.exit(tc, thisMethodName, Boolean.toString(retVal));
          }
  
          return retVal;
      }