Added ability get defaults index settings

src/Index/Settings.php

@@ -71,16 +71,24 @@ public function __construct(BaseIndex $index)
      *
      * @see https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-update-settings.html
      */
-    public function get(string $setting = '')
+    public function get(string $setting = '', bool $includeDefaults = false)
     {
-        $requestData = $this->request()->getData();
+        $queryParameters = [
+            'include_defaults' => $includeDefaults,
+        ];
+
+        $requestData = $this->request([], Request::GET, $queryParameters)->getData();
         $data = \reset($requestData);
 
         if (empty($data['settings']) || empty($data['settings']['index'])) {
             // should not append, the request should throw a ResponseException
             throw new NotFoundException('Index '.$this->getIndex()->getName().' not found');
         }
+
         $settings = $data['settings']['index'];
+        $defaults = $data['defaults']['index'] ?? [];
+
+        $settings = array_merge($defaults, $settings);
 
         if (!$setting) {
             // return all array
@@ -329,14 +337,14 @@ public function getIndex(): BaseIndex
      *
      * @return Response Response object
      */
-    public function request(array $data = [], string $method = Request::GET): Response
+    public function request(array $data = [], string $method = Request::GET, array $queryParameters = []): Response
     {
         $path = '_settings';
 
         if ($data) {
             $data = ['index' => $data];
         }
 
-        return $this->getIndex()->request($path, $method, $data);
+        return $this->getIndex()->request($path, $method, $data, $queryParameters);
     }
 }