fix: change from private to protected

Author: kenjis

system/HTTP/CURLRequest.php

@@ -50,7 +50,7 @@ class CURLRequest extends Request
      *
      * @var array
      */
-    private $defaultConfig = [
+    protected $defaultConfig = [
         'timeout'         => 0.0,
         'connect_timeout' => 150,
         'debug'           => false,
@@ -149,7 +149,7 @@ public function request($method, string $url, array $options = []): ResponseInte
         return $this->response;
     }
 
-    private function resetOptions()
+    protected function resetOptions()
     {
         // Reset headers
         $this->headers   = [];