Add getter and docblocks

src/Extracting/Generator.php

@@ -20,7 +20,10 @@ class Generator
      */
     private $config;
 
-    public static $routeBeingProcessed = null;
+    /**
+     * @var Route|null
+     */
+    private static $routeBeingProcessed = null;
 
     public function __construct(DocumentationConfig $config = null)
     {
@@ -28,6 +31,14 @@ class Generator
         $this->config = $config ?: new DocumentationConfig(config('scribe'));
     }
 
+    /**
+     * @return Route|null
+     */
+    public static function getRouteBeingProcessed(): ?Route
+    {
+        return self::$routeBeingProcessed;
+    }
+
     /**
      * @param Route $route
      *