All classes that implement ActivityTypePluginInterface in CRM Core 8.2
- class \Drupal\crm_core_activity\ActivityTypePluginBase implements ActivityTypePluginInterface
- class \Drupal\crm_core_activity\Plugin\crm_core_activity\ActivityType\Generic
- class \Drupal\crm_core_activity_plugin_test\Plugin\crm_core_activity\ActivityType\ActivityTypeWithConfig