MAGETWO-95002: [GraphQL] Product search do not work with elasticsearch

Author: irenelagno

app/code/Magento/CatalogGraphQl/Model/Resolver/Products/Query/Search.php

@@ -45,7 +45,7 @@ class Search
     private $metadataPool;
 
     /**
-     * @var \Magento\CatalogSearch\Model\Search\PageSizeProvider
+     * @var \Magento\Search\Model\Search\PageSizeProvider
      */
     private $pageSizeProvider;
 

app/code/Magento/GraphQl/Controller/GraphQl.php

@@ -108,7 +108,6 @@ public function dispatch(RequestInterface $request) : ResponseInterface
         try {
             /** @var Http $request */
             $this->requestProcessor->processHeaders($request);
-
             $data = $this->jsonSerializer->unserialize($request->getContent());
 
             $query = isset($data['query']) ? $data['query'] : '';

app/code/Magento/Search/Model/Search/PageSizeProvider.php

@@ -9,6 +9,7 @@
 
 /**
  * Returns max  page size by search engine name
+ * @api
  */
 class PageSizeProvider
 {