| ConfigMergeEvent | class | Drupal\config_merge\Event | src/Event/ConfigMergeEvent.php | Class ConfigMergeEvent |  |  |  | 
          
                  | ConfigMergeEvents | class | Drupal\config_merge\Event | src/Event/ConfigMergeEvents.php | Class ConfigMergeEvents |  |  |  | 
          
                  | ConfigMerger | class | Drupal\config_merge | src/ConfigMerger.php | Provides helper functions for merging configuration items. |  | 2 |  | 
          
                  | ConfigMergerTest | class | Drupal\Tests\config_merge\Unit | tests/src/Unit/ConfigMergerTest.php | @coversDefaultClass \Drupal\config_merge\ConfigMerger
@group config_merge |  |  |  | 
          
                  | MergeFilter | class | Drupal\config_merge_filter\Plugin\ConfigFilter | config_merge_filter/src/Plugin/ConfigFilter/MergeFilter.php | Provides a merge filter that reads partly from the active storage. |  |  |  |