     delete @[key] for key of oldProperties
     return unless typeof properties is 'object'
 
-    for key, value of properties when key not in RESTRICTED_KEYS
+    for key, value of properties when key not in OVirtApiNode.RESTRICTED_KEYS
       @consumeProperty value
       @[key] = value
 

    delete @[key] for key of @_resourceLinks
    return unless typeof resourceLinks is 'object'

    for key, value of resourceLinks when key not in RESTRICTED_KEYS
      @addResourceLink key, value

  #

# @include Mixins.PropertyDistributor
#
OVirtApiNode = class ApiNodes.OVirtApiNode extends CoffeeMix
  # Included mixins
  @include Mixins.PropertyDistributor

  # Hack that forces Codo to see properties
