PHP7 FactoryMethod

Creational/FactoryMethod/VehicleInterface.php

@@ -2,15 +2,7 @@
 
 namespace DesignPatterns\Creational\FactoryMethod;
 
-/**
- * VehicleInterface is a contract for a vehicle.
- */
 interface VehicleInterface
 {
-    /**
-     * sets the color of the vehicle.
-     *
-     * @param string $rgb
-     */
-    public function setColor($rgb);
+    public function setColor(string $rgb);
 }