code: public void delist(BeanO beanO)
      {
          final boolean isTraceOn = TraceComponent.isAnyTracingEnabled();
          if (isTraceOn && tc.isEntryEnabled())
              Tr.entry(tc, "delist : " + beanO);
          ensureActive();
          ivBeanOs.remove(beanO.beanId); // d130022
          ivBeanOList.remove(beanO); // d130022
  
          if (isTraceOn && tc.isEntryEnabled())
              Tr.exit(tc, "delist : " + beanO);
      }
docs: Delist the given <code>BeanO</code> from this activity session.