All classes that implement SocialAddToCalendarInterface in Open Social 8.9
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendarBase implements SocialAddToCalendarInterface
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendar\AddToGoogle
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendar\AddToICal
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendar\AddToOutlook
- class \Drupal\social_event_addtocal\Plugin\SocialAddToCalendar\AddToYahoo