code: public JedisSortedSet getSortedSet(int db, String key, ScoreProvider scoreProvider) {
          return new JedisSortedSet(jedisPool, db, key, scoreProvider);
      }
docs: Get a {@link java.util.Set} abstraction of a sorted set redis value in the specified database index and key.
  @param db the database index where the key with the sorted set value is / should be stored.
  @param key the key of the sorted set value in redis
  @param scoreProvider the provider to use for assigning scores when none is given explicitly.
  @return the {@link JedisSortedSet} instance