code: def __call__(self, box_predictor, predictions, proposals):
      return caffe2_fast_rcnn_outputs_inference(
          self.tensor_mode, box_predictor, predictions, proposals
      )
  
imports: import math
  from typing import Dict
  import torch
  import torch.nn.functional
  from detectron2.layers import ShapeSpec, cat
  from detectron2.layers.roi_align_rotated import ROIAlignRotated
  from detectron2.modeling import poolers
  from detectron2.modeling.proposal_generator import rpn
  from detectron2.modeling.roi_heads.mask_head import mask_rcnn_inference
  from detectron2.structures import Boxes, ImageList, Instances, Keypoints, RotatedBoxes
  from .shared import alias, to_device
label_desc: Use image node_id 2 for calling the Caffe2FastRCNNOutputsInference obj's underlying member method code with example usage: obj.__call__(box_predictor, predictions, proposals) and returns: caffe2_fast_rcnn_outputs_inference