'the-event-name', 'method' => 'onEventName', 'class' => 'some-class', 'format' => 'json'), * array(...), * ) * * The class may be omitted if the class wants to subscribe to events of all classes. * Same goes for the format key. * * @return array * * @phpcsSuppress SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingReturnTypeHint */ public static function getSubscribedEvents(); }