code: public static RedisClusterClient create(RedisURI redisURI) {
          assertNotNull(redisURI);
          return create(Collections.singleton(redisURI));
      }
docs: Create a new client that connects to the supplied {@link RedisURI uri} with default {@link ClientResources}. You can
  connect to different Redis servers but you must supply a {@link RedisURI} on connecting.
  
  @param redisURI the Redis URI, must not be {@literal null}
  @return a new instance of {@link RedisClusterClient}