code: def get_debug_dir(export_dir):
      """Returns path to the debug sub-directory in the SavedModel."""
      return file_io.join(
          compat.as_text(export_dir),
          compat.as_text(constants.DEBUG_DIRECTORY),
      )
  
file_path: tensorflow-upstream/tensorflow/python/saved_model/path_helpers.py
imports: from tensorflow.python.lib.io import file_io
  from tensorflow.python.saved_model import constants
  from tensorflow.python.util import compat
label_desc: Use image node_id 9 for calling a global function with example usage: get_debug_dir(export_dir) and returns: file_io