Add types (#5)

Author: W0rma

src/Codeception/Lib/Connector/Universal.php

@@ -8,15 +8,15 @@ final class Universal extends Client
 {
     use Shared\PhpSuperGlobalsConverter;
 
-    protected $mockedResponse;
-    protected $index;
+    protected ?object $mockedResponse = null;
+    protected ?string $index = null;
 
-    public function setIndex($index)
+    public function setIndex(string $index): void
     {
         $this->index = $index;
     }
 
-    public function mockResponse($response)
+    public function mockResponse(object $response): void
     {
         $this->mockedResponse = $response;
     }

src/Codeception/Module/UniversalFramework.php

@@ -8,7 +8,7 @@
 class UniversalFramework extends Framework
 {
 
-    public function _initialize()
+    public function _initialize(): void
     {
         if (isset($this->config['index'])) {
             $index = $this->config['index'];
@@ -19,7 +19,7 @@ public function _initialize()
         $this->client->setIndex($index);
     }
 
-    public function useUniversalFramework()
+    public function useUniversalFramework(): void
     {
 
     }