public function downvoters()
    {
        return $this->morphToMany(config('follow.user_model'), config('follow.morph_prefix'), config('follow.followable_table'))
                    ->wherePivot('relation', '=', Follow::RELATION_DOWNVOTE)
                    ->withPivot('followable_type', 'relation', 'created_at');
    }
public function downvoters()
    {
        return $this->morphToMany(config('follow.user_model'), config('follow.morph_prefix'), config('follow.followable_table'))
                    ->wherePivot('relation', '=', Follow::RELATION_DOWNVOTE)
                    ->withPivot('followable_type', 'relation', 'created_at');
    }
public function downvoters ( ) { return $ this -> morphToMany ( config ( 'follow.user_model' ) , config ( 'follow.morph_prefix' ) , config ( 'follow.followable_table' ) ) -> wherePivot ( 'relation' , '=' , Follow :: RELATION_DOWNVOTE ) -> withPivot ( 'followable_type' , 'relation' , 'created_at' ) ; }
Return downvoters.

@return \Illuminate\Database\Eloquent\Relations\BelongsToMany
Return downvoters .