Expanded class hierarchy of PluginNotFoundException in Image Optimize (or ImageAPI Optimize) 4.x
- class \Drupal\Component\Plugin\Exception\PluginException extends \Drupal\Component\Plugin\Exception\Exception implements ExceptionInterface
- class \Drupal\Component\Plugin\Exception\InvalidDeriverException
- class \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
- class \Drupal\Component\Plugin\Exception\PluginNotFoundException
- class \Drupal\imageapi_optimize\Exception\PluginNotFoundException