protected function siteResourceMapper($resourceId)
    {
        if (!$this->resourceName->isSitesResourceId($resourceId)) {
            return null;
        }

        $sitesResourceId = $this->resourceName->get(self::RESOURCE_SITES);

        $return = [
            'resourceId' => $resourceId,
            'parentResourceId' => $sitesResourceId,
        ];

        return array_merge(
            $this->resources[self::RESOURCE_SITES],
            $return
        );
    }