code: protected function renderV2()
      {
          if ('google' == $this->requestSource) {
              $out = [
                  'suggestions' => [
                      'suggestions' => [],
                  ],
              ];
  
              foreach ($this->replies as $i => $reply) {
                  $out['suggestions']['suggestions'][$i]['title'] = $reply;
              }
  
              $out['platform'] = $this->v2PlatformMap[$this->requestSource];
  
              return $out;
          } else {
              $out = [
                  'quickReplies' => [
                      'quickReplies' => $this->replies,
                  ],
              ];
  
              $out['platform'] = $this->v2PlatformMap[$this->requestSource];
  
              return $out;
          }
      }
docs: Render response as array for API V2.
  
  @return array