public function getRootLocationsBySiteAccesses(array $siteAccesses)
    {
        $rootLocations = [];

        foreach ($siteAccesses as $siteAccess) {
            $rootLocationId = $this->getRootLocationBySiteAccessName($siteAccess);

            $rootLocations[$rootLocationId] = $rootLocationId;
        }

        return array_keys($rootLocations);
    }