documentation/_search_engine_interface_8php_source.html

 <?php
 namespace Magento\Framework\Search;

 interface SearchEngineInterface
 {
     public function search(RequestInterface $request);
 }
Magento\Framework\Search\SearchEngineInterface
Definition: SearchEngineInterface.php:11

Magento\Framework\Search\SearchEngineInterface\search
search(RequestInterface $request)

$request
$request
Definition: quote_with_configurable_product_last_variation.php:22

Magento\Framework\Search
Definition: AbstractKeyValuePair.php:6

Magento\Framework\Search\RequestInterface
Definition: RequestInterface.php:18