PHP 8.2 - Fixed dynamic property declaration deprecation.

Author: naveenvalecha

src/NLPCloud.php

@@ -8,6 +8,11 @@ class NLPCloud
     const API_VERSION = 'v1';
     const BASE_URL = 'https://api.nlpcloud.io';
 
+    /**
+     * Root Url.
+     */
+    protected $rootURL;
+
     public function __construct($model, $token, $gpu = false, $lang = '', $asynchronous = false)
     {
         $this->headers = array(