Set the initial value of debug prop to false.

Author: msyk

README.md

@@ -145,3 +145,4 @@ MIT License
   It returns just null.
 - Upcoming date: [Ver.33]
   The query method supports date format parameter (Thanks to @stathisaska).
+  The debug property of the CommunicationProvider class initializes the bool false value (Thanks to Bernhard).

src/Supporting/CommunicationProvider.php

@@ -152,7 +152,7 @@ class CommunicationProvider
      * @var bool
      * @ignore
      */
-    public bool $isDebug;
+    public bool $isDebug = false;
     /**
      * @var bool
      * @ignore