docs: private static Configuration enableClusteringHashGroups(String cacheName, Configuration configuration) {
  		if ( configuration.clustering().hash().groups().enabled() ) {
  			return configuration;
  		}
  		LOG.clusteringHashGroupsMustBeEnabled( cacheName );
  		ConfigurationBuilder builder = new ConfigurationBuilder().read( configuration );
  		builder.clustering().hash().groups().enabled();
  		return builder.build();
  	}