* Returns the link to the page to which the user is redirected after
* the installation finished.
*
- * @return string
* @since 5.2
*/
- protected function getRedirectLink()
+ protected function getRedirectLink(): string
{
// get domain path
$sql = "SELECT *
/**
* Returns current action by queue id.
- *
- * @param int $queueID
- * @return string
*/
- protected function getCurrentAction($queueID)
+ protected function getCurrentAction(?int $queueID): string
{
if ($queueID === null) {
// success message