code: def _construct_nested_stack(self):
          
          nested_stack = NestedStack(self.logical_id, depends_on=self.depends_on,
                                     attributes=self.get_passthrough_resource_attributes())
          nested_stack.Parameters = self.Parameters
          nested_stack.NotificationArns = self.NotificationArns
          application_tags = self._get_application_tags()
          nested_stack.Tags = self._construct_tag_list(self.Tags, application_tags)
          nested_stack.TimeoutInMinutes = self.TimeoutInMinutes
          nested_stack.TemplateURL = self.TemplateUrl if self.TemplateUrl else ""
  
          return nested_stack
docs: Constructs a AWS::CloudFormation::Stack resource