docs: protected void fireKernelDisconnected(URI uri) {
  		this.logger.getKernelLogger().info(MessageFormat.format(Messages.HazelcastKernelDiscoveryService_1, uri, getCurrentKernel()));
  		for (final KernelDiscoveryServiceListener listener : this.listeners.getListeners(KernelDiscoveryServiceListener.class)) {
  			listener.kernelDisconnected(uri);
  		}
  	}