code: def reference_x_shift(self):
      return 0
  
file_path: face-alignment/face_alignment/detection/blazeface/blazeface_detector.py
imports: from torch.utils.model_zoo import load_url
  from ..core import FaceDetector
  from ...utils import load_file_from_url
  from .net_blazeface import BlazeFace
  from .detect import *
label_desc: Use image node_id 5 for calling the BlazeFaceDetector obj's underlying member method code with example usage: obj.reference_x_shift() and returns: int