/**
  * Notify registered {@link ConnectionProbe}s about the IO Event disabled event.
  *
  * @param connection the <tt>Connection</tt> event occurred on.
  * @param ioEvent the {@link IOEvent}.
  */
 protected static void notifyIOEventDisabled(AIOConnection connection, IOEvent ioEvent) {
   final ConnectionProbe[] probes = connection.monitoringConfig.getProbesUnsafe();
   if (probes != null) {
     for (ConnectionProbe probe : probes) {
       probe.onIOEventDisableEvent(connection, ioEvent);
     }
   }
 }