code: func InitCLIParser(appName, appHelp string) (app *kingpin.Application) {
  	app = kingpin.New(appName, appHelp)
  
  	// hide "--help" flag
  	app.HelpFlag.Hidden()
  	app.HelpFlag.NoEnvar()
  
  	// set our own help template
  	return app.UsageTemplate(defaultUsageTemplate)
  }
docs: // InitCLIParser configures kingpin command line args parser with
  // some defaults common for all Teleport CLI tools