public function validate($scope, $scopeId)
    {
        $valid = true;
        if ($scope === 'default') { // Default Store only valid for id 0
            if ($scopeId !== 0) {
                $valid = false;
            }
        } elseif ($scope === 'websites') { // Check if website with id exists
            $valid = $this->isValidWebsiteId($scopeId);
        } elseif ($scope === 'stores') { // Check if store with id exists
            $valid = $this->isValidStoreId($scopeId);
        }

        return $valid;
    }