code: @Override
    public List<byte[]> sort(final byte[] key) {
      checkIsInMultiOrPipeline();
      client.sort(key);
      return client.getBinaryMultiBulkReply();
    }
docs: Sort a Set or a List.
  <p>
  Sort the elements contained in the List, Set, or Sorted Set value at key. By default sorting is
  numeric with elements being compared as double precision floating point numbers. This is the
  simplest form of SORT.
  @see #sort(byte[], byte[])
  @see #sort(byte[], SortingParams)
  @see #sort(byte[], SortingParams, byte[])
  @param key
  @return Assuming the Set/List at key contains a list of numbers, the return value will be the
  list of numbers ordered from the smallest to the biggest number.