Expanded class hierarchy of CssCollectionOptimizer in Advanced CSS/JS Aggregation 8.2
- class \Drupal\Core\Asset\CssCollectionOptimizer implements AssetCollectionOptimizerInterface
- class \Drupal\advagg\Asset\CssCollectionOptimizer implements AssetCollectionOptimizerInterface
- class \Drupal\flysystem\Asset\CssCollectionOptimizer uses SchemeExtensionTrait