docs: public void waitForCloseToComplete()
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "waitForCloseToComplete");
  
        closeWaitersMonitor.waitOn();
  
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "waitForCloseToComplete");
     }