vendor/guzzlehttp/guzzle/src/Cookie/FileCookieJar.php

@@ -23,6 +23,7 @@ class FileCookieJar extends CookieJar
      */
     public function __construct($cookieFile, $storeSessionCookies = false)
     {
+        parent::__construct();
         $this->filename = $cookieFile;
         $this->storeSessionCookies = $storeSessionCookies;
 
@@ -56,7 +57,7 @@ class FileCookieJar extends CookieJar
         }
 
         $jsonStr = \GuzzleHttp\json_encode($json);
-        if (false === file_put_contents($filename, $jsonStr)) {
+        if (false === file_put_contents($filename, $jsonStr, LOCK_EX)) {
             throw new \RuntimeException("Unable to save file {$filename}");
         }
     }

vendor/guzzlehttp/guzzle/src/Cookie/SessionCookieJar.php

@@ -15,13 +15,14 @@ class SessionCookieJar extends CookieJar
     /**
      * Create a new SessionCookieJar object
      *
-     * @param string $sessionKey        Session key name to store the cookie 
+     * @param string $sessionKey        Session key name to store the cookie
      *                                  data in session
      * @param bool $storeSessionCookies Set to true to store session cookies
      *                                  in the cookie jar.
      */
     public function __construct($sessionKey, $storeSessionCookies = false)
     {
+        parent::__construct();
         $this->sessionKey = $sessionKey;
         $this->storeSessionCookies = $storeSessionCookies;
         $this->load();

vendor/guzzlehttp/guzzle/src/Exception/ClientException.php

@@ -4,4 +4,6 @@ namespace GuzzleHttp\Exception;
 /**
  * Exception when a client error is encountered (4xx codes)
  */
-class ClientException extends BadResponseException {}
+class ClientException extends BadResponseException
+{
+}

vendor/guzzlehttp/guzzle/src/Exception/GuzzleException.php

 <?php
 namespace GuzzleHttp\Exception;
 
-interface GuzzleException {}
+use Throwable;
+
+if (interface_exists(Throwable::class)) {
+    interface GuzzleException extends Throwable
+    {
+    }
+} else {
+    /**
+     * @method string getMessage()
+     * @method \Throwable|null getPrevious()
+     * @method mixed getCode()
+     * @method string getFile()
+     * @method int getLine()
+     * @method array getTrace()
+     * @method string getTraceAsString()
+     */
+    interface GuzzleException
+    {
+    }
+}

vendor/guzzlehttp/guzzle/src/Exception/InvalidArgumentException.php

+<?php
+
+namespace GuzzleHttp\Exception;
+
+final class InvalidArgumentException extends \InvalidArgumentException implements GuzzleException
+{
+}