code: @Override
    public List<byte[]> hmget(final byte[] key, final byte[]... fields) {
      checkIsInMultiOrPipeline();
      client.hmget(key, fields);
      return client.getBinaryMultiBulkReply();
    }
docs: Retrieve the values associated to the specified fields.
  <p>
  If some of the specified fields do not exist, nil values are returned. Non existing keys are
  considered like empty hashes.
  <p>
  <b>Time complexity:</b> O(N) (with N being the number of fields)
  @param key
  @param fields
  @return Multi Bulk Reply specifically a list of all the values associated with the specified
  fields, in the same order of the request.