docs: def get_context_data(self, **kwargs):
          """
          Get the context for this view. Adds the following values:
  
          * **query_string** - The querystring minus the current page.
          * **action_links** - The results of the `get_actions` method.
          """
  
          origin_qs = self._get_query_string(self.request, False)
          context = {
              'query_string': self._get_query_string(self.request),
              'origin_qs': self.request.path + origin_qs,
              'origin_var': self.ORIGIN_ARGUMENT,
              'action_links': self.get_actions()
          }
          context.update(kwargs)
  
          return context