107      * @param Message   $itipMessage
112     public function processMessage(Message $itipMessage, VCalendar $existingObject = null)  argument
115         if ('VEVENT' !== $itipMessage->component) {
119         switch ($itipMessage->method) {
121                 return $this->processMessageRequest($itipMessage, $existingObject);
124                 return $this->processMessageCancel($itipMessage, $existingObject);
127                 return $this->processMessageReply($itipMessage, $existingObject);
267      * @param Message   $itipMessage
272     protected function processMessageRequest(Message $itipMessage, VCalendar $existingObject = null)  argument
278             foreach ($itipMessage->message->getComponents() as $component) {
288             foreach ($itipMessage->message->getComponents() as $component) {
303      * @param Message   $itipMessage
308     protected function processMessageCancel(Message $itipMessage, VCalendar $existingObject = null)  argument
316                 $vevent->SEQUENCE = $itipMessage->sequence;
329      * @param Message   $itipMessage
334     protected function processMessageReply(Message $itipMessage, VCalendar $existingObject = null)  argument
345         foreach ($itipMessage->message->VEVENT as $vevent) {
367                         if ($attendee->getValue() === $itipMessage->sender) {
381                     $attendee = $vevent->add('ATTENDEE', $itipMessage->sender, [
384                     if ($itipMessage->senderName) {
385                         $attendee['CN'] = $itipMessage->senderName;
399             $recurrenceIterator = new EventIterator($existingObject, $itipMessage->uid);
425                     if ($attendee->getValue() === $itipMessage->sender) {
434                 $attendee = $newObject->add('ATTENDEE', $itipMessage->sender, [
437                 if ($itipMessage->senderName) {
438                     $attendee['CN'] = $itipMessage->senderName;