public function suggestKeywordsAsyncWithHttpInfo($ad_group_id, $campaign_id, $targeted_keyword_request = null)
    {
        $returnType = '\TNT\Ebay\Sell\Marketing\V1\Model\TargetedKeywordsPagedCollection';
        $request = $this->suggestKeywordsRequest($ad_group_id, $campaign_id, $targeted_keyword_request);