Nope, we don't know what to do here either

NoClue.php

    /**
     * @param string $key
     *
     * @return bool
     */
    public function isValidOrderKey($key)
    {
        return true;
        //TODO: ???
        /*if(in_array($key,$this->validOrderKeys)) {
              return true;
          }
          return false;*/
    }