7 files declare their use of CacheCollector in Drupal 9
- AliasWhitelist.php in core/
modules/ path_alias/ src/ AliasWhitelist.php - BlockContentUuidLookup.php in core/
modules/ block_content/ src/ BlockContentUuidLookup.php - CacheCollectorHelper.php in core/
tests/ Drupal/ Tests/ Core/ Cache/ CacheCollectorHelper.php - LibraryDiscoveryCollector.php in core/
lib/ Drupal/ Core/ Asset/ LibraryDiscoveryCollector.php - LocaleLookup.php in core/
modules/ locale/ src/ LocaleLookup.php - MenuActiveTrail.php in core/
lib/ Drupal/ Core/ Menu/ MenuActiveTrail.php - ThemeRegistry.php in core/
lib/ Drupal/ Core/ Utility/ ThemeRegistry.php