code: def _stamp_file_with_runtime(self, notebook_file_path, runtime_stamp):
      nb = nbformat.read(notebook_file_path, nbformat.NO_CONVERT)
      nb["metadata"]["esriNotebookRuntime"] = runtime_stamp
      nbformat.write(nb, notebook_file_path, nbformat.NO_CONVERT)
  
imports: import os
  import sys
  import argparse
  import traceback
  import json
  import re
  import logging
  import yaml
  import nbformat
  from nbconvert import HTMLExporter
  from arcgis.gis import GIS
label_desc: Use image node_id 11 for calling the ItemsUploader obj's underlying member method code with example usage: obj._stamp_file_with_runtime(notebook_file_path, runtime_stamp) without return types