public function getHeaders()
    {
        $headers = array(
            'FOXY-API-VERSION' => 1
        );
        if ($this->access_token && $this->include_auth_header) {
            $headers['Authorization'] = "Bearer " . $this->access_token;
        }
        $headers['Accept'] = $this->getAcceptContentType();

        return $headers;
    }