class_docstr: A Jupyter argument parser.
class_docstr_tok: ["A","Jupyter","argument","parser","."]
docstr: Add subcommands to epilog on request
  
  Avoids searching PATH for subcommands unless help output is requested.
docstr_tok: ["Add","subcommands","to","epilog","on","request","Avoids","searching","PATH","for","subcommands","unless","help","output","is","requested","."]
code: def epilog(self) -> str | None:
      """Add subcommands to epilog on request
  
      Avoids searching PATH for subcommands unless help output is requested.
      """
      return "Available subcommands: %s" % " ".join(list_subcommands())
  
imports: from __future__ import annotations
  import argparse
  import errno
  import json
  import os
  import site
  import sys
  import sysconfig
  from pathlib import Path
  from shutil import which
  from subprocess import Popen
  from typing import Any
  from .None import paths
  from .version import __version__
label_desc: Use image node_id 1 for calling the JupyterParser obj's underlying member method code with example usage: obj.epilog() and returns: unknown