'Returns Ext Resources.'

@classmethod
def get_resources(cls):

    plugin = directory.get_plugin()
    collection_name = ADDRESS_SCOPES.replace('_', '-')
    params = RESOURCE_ATTRIBUTE_MAP.get(ADDRESS_SCOPES, dict())
    controller = base.create_resource(collection_name, ADDRESS_SCOPE, plugin, params, allow_bulk=True, allow_pagination=True, allow_sorting=True)
    ex = extensions.ResourceExtension(collection_name, controller, attr_map=params)
    return [ex]
