public function removeTemplateUser($template_id, $id_or_email)
    {
        $key = strpos($id_or_email, '@') ? 'email_address' : 'account_id';

        $response = $this->rest->post(
            static::TEMPLATE_REMOVE_USER_PATH . '/' . $template_id,
            array($key => $id_or_email)
        );

        $this->checkResponse($response);

        return new Template($response);
    }