code: def get_for_model(self, model):
          
          # Return empty queryset if the given object is not valid.
          if not issubclass(model, models.Model):
              return self.none()
  
          content_type = ContentType.objects.get_for_model(model)
  
          return self.filter(content_type=content_type)
docs: Get log entries for all objects of a specified type.
  
          :param model: The model to get log entries for.
          :type model: class
          :return: QuerySet of log entries for the given model.
          :rtype: QuerySet