protected function prepareVoteInput (&$vote, $tag = null) : void
    {
        if (!($vote instanceof Vote)) :
            $vote = new Vote ($vote, $tag);
        endif;

        // Check array format && Make checkVoteCandidate
        if ( !$this->checkVoteCandidate($vote) ) :
            throw new CondorcetException(5);
        endif;
    }