class_docstr: Special boolean flag that displays usage and raises SystemExit.
code: def parse(self, arg):
      if arg:
          _usage(shorthelp=True)
          print()
          print("Try --helpfull to get a list of all flags.")
          _sys.exit(1)
  
file_path: tensorboard/tensorboard/compat/tensorflow_stub/app.py
imports: import errno
  import sys
  from .None import flags
label_desc: Use image node_id 2 for calling the _HelpFlag obj's underlying member method code with example usage: obj.parse(arg) without return types