107      * @param Message $itipMessage
112     function processMessage(Message $itipMessage, VCalendar $existingObject = null) {  argument
115         if ($itipMessage->component !== 'VEVENT') {
119         switch ($itipMessage->method) {
122                 return $this->processMessageRequest($itipMessage, $existingObject);
125                 return $this->processMessageCancel($itipMessage, $existingObject);
128                 return $this->processMessageReply($itipMessage, $existingObject);
274      * @param Message $itipMessage
279 … protected function processMessageRequest(Message $itipMessage, VCalendar $existingObject = null) {  argument
285             foreach ($itipMessage->message->getComponents() as $component) {
295             foreach ($itipMessage->message->getComponents() as $component) {
310      * @param Message $itipMessage
315 …  protected function processMessageCancel(Message $itipMessage, VCalendar $existingObject = null) {  argument
323                 $vevent->SEQUENCE = $itipMessage->sequence;
336      * @param Message $itipMessage
341     protected function processMessageReply(Message $itipMessage, VCalendar $existingObject = null) {  argument
352         foreach ($itipMessage->message->VEVENT as $vevent) {
374                         if ($attendee->getValue() === $itipMessage->sender) {
388                     $attendee = $vevent->add('ATTENDEE', $itipMessage->sender, [
391                     if ($itipMessage->senderName) $attendee['CN'] = $itipMessage->senderName;
405             $recurrenceIterator = new EventIterator($existingObject, $itipMessage->uid);
431                     if ($attendee->getValue() === $itipMessage->sender) {
440                 $attendee = $newObject->add('ATTENDEE', $itipMessage->sender, [
443                 if ($itipMessage->senderName) {
444                     $attendee['CN'] = $itipMessage->senderName;