code: def write_autogen_blurb(stream):
      stream.write(
          """\
  /* This file is autogenerated by generate_sparsetools.py
   * Do not edit manually or check into VCS.
   */
  """
      )
  
imports: import optparse
  import os
  from distutils.dep_util import newer
label_desc: Use image node_id 4 for calling a global function with example usage: write_autogen_blurb(stream) without return types