code: protected void unsetReady()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(tc, "unsetReady", this);
  
          //set the ready state
          _ready = false;
  
          if (_keyGroup != null)
              _keyGroup.groupNotReady();
  
          // if consumerKey is null then it can't be already in ready state!
          if (_consumerKey != null)
          {
              //tell the consumerDispatcher that we are no longer ready
              _consumerKey.notReady();
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "unsetReady");
      }
docs: Change the Ready state to false