Is it possible to define module name in 'Resourse'?

Such as what I illustrated here:

// Define the "Customers" resource in "Backend" module
$customersResource = new \Phalcon\Acl\Resource("Backend\Customers");

// Add "customers" resource with a couple of operations
$acl->addResource($customersResource, "search");
$acl->addResource($customersResource, array("create", "update"));