code: def default_onnx_opset(self) -> int:
      return 12
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/src/transformers/models/detr/configuration_detr.py
imports: from collections import OrderedDict
  from typing import Mapping
  from packaging import version
  from ...configuration_utils import PretrainedConfig
  from ...onnx import OnnxConfig
  from ...utils import logging
label_desc: Use image node_id 3 for calling the DetrOnnxConfig obj's underlying member method code with example usage: obj.default_onnx_opset() and returns: int