158      * @param Document[] $docs    Array of Elastica\Document
169     public function updateDocuments(array $docs, array $options = []): ResponseSet  argument
171         foreach ($docs as $doc) {
175         return $this->getClient()->updateDocuments($docs, $options);
260      * @param array|Document[] $docs    Array of Elastica\Document
273     public function addDocuments(array $docs, array $options = [])  argument
275         foreach ($docs as $doc) {
279         return $this->getClient()->addDocuments($docs, $options);
399      * @param Document[] $docs Array of documents
409     public function deleteDocuments(array $docs): ResponseSet  argument
411         foreach ($docs as $doc) {
415         return $this->getClient()->deleteDocuments($docs);