code: public static ClusteringService startStandalone(String clusterName, Channel channel) {
          ClusteringService clusteringService = new StandaloneClusteringService(clusterName, channel);
          clusteringService.init();
          return clusteringService;
      }
docs: Starts a standalone clustering service which uses the supplied channel.
  
  
  @param clusterName the name of the cluster to which the JGroups channel should connect; may not be null
  @param channel a  {@link Channel} instance, may not be {@code null}
  @return a {@link org.modeshape.jcr.clustering.ClusteringService} instance, never null