[TASK] Update codesnippets (#5968)

Releases: main

Author: linawolf

Documentation/CodeSnippets/Events/Backend/ModifyClearCacheActionsEvent.rst.txt

@@ -14,7 +14,7 @@
         :param $cacheActions: the cacheActions
 
     ..  php:method:: getCacheActions()
-        :returns: `array`
+        :returns: `list<\CacheAction>`
 
     ..  php:method:: addCacheActionIdentifier(string $cacheActionIdentifier)
 
@@ -25,4 +25,4 @@
         :param $cacheActionIdentifiers: the cacheActionIdentifiers
 
     ..  php:method:: getCacheActionIdentifiers()
-        :returns: `array`
+        :returns: `list<non-empty-string>`

Documentation/CodeSnippets/Manual/Country/CountryProvider.rst.txt

@@ -13,6 +13,10 @@
     ..  php:method:: getByIsoCode(string $isoCode)
         :returns: `?\TYPO3\CMS\Core\Country\Country`
 
+        Searches for a matching country with fallback; uses Alpha2 ISO-Code by
+        default, and if that does not match, compare the input $isoCode
+        as an Alpha3 ISO-Code.
+
         :param $isoCode: the isoCode
 
     ..  php:method:: getByAlpha2IsoCode(string $isoCode)