code: @Override
    public List<byte[]> hvals(final byte[] key) {
      checkIsInMultiOrPipeline();
      client.hvals(key);
      return client.getBinaryMultiBulkReply();
    }
docs: Return all the values in a hash.
  <p>
  <b>Time complexity:</b> O(N), where N is the total number of entries
  @param key
  @return All the fields values contained into a hash.