public void stopStatListening() {
    synchronized (statListenersLock) {
      statListeners = new ListenerIdMap(); // we don't provide a way to empty a ListenerIdMap
      unreachable = true;
    }
    dispatcher.stopDispatching();
  }
Stops listening for statistics updates. Invoked when this <code>GemFireVM</code> disconnects or
when this member leaves the distributed system.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/RemoteGemFireVM.java