src/Traits/Likeable.php
public function disliked($userId = null)
    {
        return app(LikeableServiceContract::class)->isLiked($this, LikeType::DISLIKE, $userId);
    }
public function disliked($userId = null)
    {
        return app(LikeableServiceContract::class)->isLiked($this, LikeType::DISLIKE, $userId);
    }
public function disliked ( $ userId = null ) { return app ( LikeableServiceContract :: class ) -> isLiked ( $ this , LikeType :: DISLIKE , $ userId ) ; }
Has the user already disliked likeable model.

@param int|null $userId
@return bool
Has the user already disliked likeable model .