code: def build_pose_hrnet_backbone(cfg, input_shape: ShapeSpec):
      model = PoseHigherResolutionNet(cfg)
      return model
  
imports: from __future__ import absolute_import, division, print_function
  import logging
  import torch.nn
  from detectron2.layers import ShapeSpec
  from detectron2.modeling.backbone import BACKBONE_REGISTRY
  from detectron2.modeling.backbone.backbone import Backbone
label_desc: Use image node_id 2 for calling a global function with example usage: build_pose_hrnet_backbone(cfg, input_shape) and returns: model