550   public $actor;  variable in Google_Activity
581   public function setActor(Google_ActivityActor $actor) {  argument
582     $this->actor = $actor;
585     return $this->actor;
838   public $actor;  variable in Google_ActivityObject
859   public function setActor(Google_ActivityObjectActor $actor) {  argument
860     $this->actor = $actor;
863     return $this->actor;
1497   public $actor;  variable in Google_Comment
1514   public function setActor(Google_CommentActor $actor) {  argument
1515     $this->actor = $actor;
1518     return $this->actor;