code: def __init__(self, score: float = 0, idx: int = -1):
      self.score_ = score
      self.idx_ = idx
  
file_path: onnx/onnx/reference/ops/op_non_max_suppression.py
imports: import dataclasses
  from typing import Optional, Tuple
  import numpy
  from onnx.reference.op_run import OpRun
label_desc: Use image node_id 1 to create a new BoxInfo object  with example: obj = BoxInfo(score, idx)