code: def _preprocess_kwargs(self, initial_kwargs):
          
          kwargs = initial_kwargs.copy()
          generic_key_related_kwargs = self._get_generic_key_related_kwargs(initial_kwargs)
          for key, value in generic_key_related_kwargs.items():
              # delete old kwarg that was related to generic key
              del kwargs[key]
              try:
                  suffix = key.split('__')[1]
              except IndexError:
                  suffix = None
              # add new kwargs that related to object_id and content_type fields
              new_kwargs = self._get_filter_object_id_and_content_type_filter_kwargs(value, suffix)
              kwargs.update(new_kwargs)
  
          return kwargs
docs: Replace generic key related attribute with filters by object_id and content_type fields