code: func AddControlPlanExtraArgsFlags(fs *pflag.FlagSet, apiServerExtraArgs, controllerManagerExtraArgs, schedulerExtraArgs *map[string]string) {
  	fs.Var(cliflag.NewMapStringString(apiServerExtraArgs), APIServerExtraArgs, "A set of extra flags to pass to the API Server or override default ones in form of <flagname>=<value>")
  	fs.Var(cliflag.NewMapStringString(controllerManagerExtraArgs), ControllerManagerExtraArgs, "A set of extra flags to pass to the Controller Manager or override default ones in form of <flagname>=<value>")
  	fs.Var(cliflag.NewMapStringString(schedulerExtraArgs), SchedulerExtraArgs, "A set of extra flags to pass to the Scheduler or override default ones in form of <flagname>=<value>")
  }
docs: // AddControlPlanExtraArgsFlags adds the ExtraArgs flags for control plane components