public function create(array $dealUnqualifiedReason, array $options = array())
  {
    $attributes = array_intersect_key($dealUnqualifiedReason, array_flip(self::$keysToPersist));

    list($code, $createdDealUnqualifiedReason) = $this->httpClient->post("/deal_unqualified_reasons", $attributes, $options);
    return $createdDealUnqualifiedReason;
  }