code: def floordiv(dividend, divisor, rounding_mode="trunc"):
      if _torch_version_div_indexing:
          return torch.div(
              dividend, divisor, rounding_mode=rounding_mode
          )
      else:
          return dividend // divisor
  
imports: from functools import partial
  from typing import List, Optional, Sequence, Tuple, Union
  import numpy
  import torch
  from mmengine.structures import InstanceData
  from mmengine.utils import digit_version
  from six.moves import map, zip
  from torch import Tensor
  from torch.autograd import Function
  from torch.nn import functional
  from mmdet.structures import SampleList
  from mmdet.structures.bbox import BaseBoxes, get_box_type, stack_boxes
  from mmdet.structures.mask import BitmapMasks, PolygonMasks
  from mmdet.utils import OptInstanceList
label_desc: Use image node_id 15 for calling a global function with example usage: floordiv(dividend, divisor, rounding_mode) and returns: torch, unknown