code: public void setRuntimeEventListener(RuntimeEventListener listener) {
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.entry(tc, "setRuntimeEventListener", listener);
          _runtimeEventListener = listener;
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.exit(tc, "setRuntimeEventListener");
      }
docs: Set MessageProcessor's RuntimeEventListener.
  
  @param listener
  A RuntimeEventListener