attribute; } public function getSubject() { return $this->subject; } public function getToken(): TokenInterface { return $this->token; } public function getVote() { return $this->vote; } public function hasVote() { return null !== $this->vote; } public function removeVote() { $this->vote = null; } public function setVote($vote) { $this->vote = $vote; return $this; } }