195         $fbData = new FreeBusyData(
200             $this->calculateAvailability($fbData, $this->vavailability);
203         $this->calculateBusy($fbData, $this->objects);
205         return $this->generateFreeBusyCalendar($fbData);
212      * @param FreeBusyData $fbData
215     protected function calculateAvailability(FreeBusyData $fbData, VCalendar $vavailability)  argument
306             $fbData->add(
316                     $fbData->add(
348                             $fbData->add(
366      * @param FreeBusyData $fbData
369     protected function calculateBusy(FreeBusyData $fbData, array $objects)  argument
452                             $fbData->add(
488                                 $fbData->add(
507     protected function generateFreeBusyCalendar(FreeBusyData $fbData)  argument
534         foreach ($fbData->getData() as $busyTime) {