actor = $actor; return $this; } final protected function getActor() { return $this->actor; } final protected function requireActor() { $actor = $this->getActor(); if (!$actor) { throw new Exception('You must setActor()!'); } return $actor; } final public function setExcludeMailRecipientPHIDs($phids) { $this->excludeMailRecipientPHIDs = $phids; return $this; } final protected function getExcludeMailRecipientPHIDs() { return $this->excludeMailRecipientPHIDs; } }