Fix errors reported by phpstan

composer.json

@@ -110,7 +110,7 @@
             "@phpstan",
             "@psalm"
         ],
-        "stan-setup": "cp composer.json composer.backup && composer require --dev phpstan/phpstan:^0.12.0 psalm/phar:~3.8.0 && mv composer.backup composer.json"
+        "stan-setup": "cp composer.json composer.backup && composer require --dev phpstan/phpstan:^0.12 psalm/phar:~3.8.0 && mv composer.backup composer.json"
     },
     "config": {
         "sort-packages": true,

src/Http/Client.php

@@ -537,6 +537,7 @@ class Client implements ClientInterface
         }
 
         $request = new Request($url, $method, $headers, $data);
+        /** @var \Cake\Http\Client\Request $request */
         $request = $request->withProtocolVersion($this->getConfig('protocolVersion'));
         $cookies = $options['cookies'] ?? [];
         /** @var \Cake\Http\Client\Request $request */

src/Http/Client/Auth/Basic.php

@@ -40,6 +40,7 @@ class Basic
             $request = $request->withHeader('Authorization', $value);
         }
 
+        /** @var \Cake\Http\Client\Request */
         return $request;
     }
 
@@ -58,6 +59,7 @@ class Basic
             $request = $request->withHeader('Proxy-Authorization', $value);
         }
 
+        /** @var \Cake\Http\Client\Request */
         return $request;
     }
 

src/Http/Client/Auth/Digest.php

@@ -65,6 +65,7 @@ class Digest
         }
         $value = $this->_generateHeader($request, $credentials);
 
+        /** @var \Cake\Http\Client\Request */
         return $request->withHeader('Authorization', $value);
     }
 

src/Http/Client/Auth/Oauth.php

@@ -88,6 +88,7 @@ class Oauth
                 throw new Exception(sprintf('Unknown Oauth signature method %s', $credentials['method']));
         }
 
+        /** @var \Cake\Http\Client\Request */
         return $request->withHeader('Authorization', $value);
     }