223         $bulk = new Bulk($this);
225         $bulk->addDocuments($docs, Action::OP_TYPE_UPDATE);
227             $bulk->setRequestParam($key, $value);
230         return $bulk->send();
256         $bulk = new Bulk($this);
258         $bulk->addDocuments($docs);
261             $bulk->setRequestParam($key, $value);
264         return $bulk->send();
352         $bulk = new Bulk($this);
353         $bulk->addDocuments($docs, Action::OP_TYPE_DELETE);
356             $bulk->setRequestParam($key, $value);
359         return $bulk->send();
469         $bulk = new Bulk($this);
470         $bulk->setIndex($index);
480             $bulk->addAction($action);
483         return $bulk->send();
510     public function bulk(array $params): ResponseSet  function in Elastica\\Client
516         $bulk = new Bulk($this);
518         $bulk->addRawData($params);
520         return $bulk->send();