public function getJson()
    {
        $json = array(
            'urlKeyParam' => $this->getUrlKeyParam(),
            'inputFieldName' => $this->getTokenInputName(),
            'observedCssRules' => $this->getObservedCssRules(),
            'requestUrl' => $this->getTokenUrl(),
            'cookieName' => $this->getCookieName()
        );

        return json_encode($json);
    }