Improve HttpWorkerInterface types

Author: SerafimArts

src/HttpWorkerInterface.php

@@ -1,7 +1,10 @@
 <?php
 
 /**
- * High-performance PHP process supervisor and load balancer written in Go. Http core.
+ * This file is part of RoadRunner package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
  */
 
 declare(strict_types=1);
@@ -10,6 +13,9 @@
 
 use Spiral\RoadRunner\WorkerAwareInterface;
 
+/**
+ * @psalm-import-type HeadersList from Request
+ */
 interface HttpWorkerInterface extends WorkerAwareInterface
 {
     /**
@@ -22,11 +28,10 @@ public function waitRequest(): ?Request;
     /**
      * Send response to the application server.
      *
-     * @param int        $status  Http status code
-     * @param string     $body    Body of response
-     * @param string[][] $headers An associative array of the message's headers. Each
-     *                            key MUST be a header name, and each value MUST be an array of strings
-     *                            for that header.
+     * @param int               $status  Http status code
+     * @param string            $body    Body of response
+     * @param HeadersList|array $headers An associative array of the message's headers. Each key MUST be a header name,
+     *                                   and each value MUST be an array of strings for that header.
      */
     public function respond(int $status, string $body, array $headers = []): void;
 }