def METHOD_NAME(self):
    food_data = FoodData.from_request(self.domain, self.request)
    gaps_data = list(get_gaps_data(
        food_data,
        selected_gap_type=self.request.GET.get('2b_gap_type'),
        selected_gap_code=self.request.GET.get('2b_gap_code'),
    ))
    return [
        GapsByItemSummaryData(gaps_data),
        GapsDetailsData(gaps_data)
    ]