docs: def get_list_objects_arg_dict(self, node_type):
          """Create a dict of arguments that will be passed to listObjects().
  
          If {node_type} is a CN, add filtering to include only objects from this GMN
          instance in the ObjectList returned by CNCore.listObjects().
  
          """
          arg_dict = {
              # Restrict query for faster debugging
              # "fromDate": datetime.datetime(2017, 1, 1),
              # "toDate": datetime.datetime(2017, 1, 10),
          }
          if node_type == "cn":
              arg_dict["nodeId"] = django.conf.settings.NODE_IDENTIFIER
          return arg_dict