Add debugger function

Fixes phpstan/phpstan#3765

Author: szepeviktor

src/Debugger.php

@@ -0,0 +1,14 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan;
+
+class Debugger
+{
+    /**
+     * @var mixed $thing
+     */
+    public function logType($thing)
+    {
+        //
+    }
+}