public function merge(SecurityPolicyRules $rules)
 {
     $this->resources = array_merge($this->resources, $rules->getResources());
     foreach ($rules->getMethods() as $class => $methods) {
         foreach ($methods as $method) {
             $this->addMethod($class, $method);
         }
     }
     foreach ($rules->getProperties() as $class => $properties) {
         foreach ($properties as $property) {
             $this->addProperty($class, $property);
         }
     }
 }