code: def _build_losses(self, predictions, states, images, datas):
      pass
  
file_path: insightface/reconstruction/ostec/external/landmark_detector/networks.py
imports: import tensorflow
  from external.landmark_detector import utils, models, data_provider
  from tensorflow.python.platform import tf_logging
  from external.landmark_detector.flags import FLAGS
label_desc: Use image node_id 3 for calling the DeepNetwork obj's underlying member method code with example usage: obj._build_losses(predictions, states, images, datas) without return types