def METHOD_NAME(self, id):
    result = self.get_raw_result(id)
    if result:
        raw_result, meta, preprocess_meta, infer_start_time = result
        self.inference_metrics.update(infer_start_time)
        postprocessing_start_time = perf_counter()
        result = self.model.postprocess(raw_result, preprocess_meta), {**meta, **preprocess_meta}
        self.postprocess_metrics.update(postprocessing_start_time)
        return result
    return None