code: func NewCmdAlpha(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
  	cmd := &cobra.Command{
  		Use:   "alpha",
  		Short: i18n.T("Commands for features in alpha"),
  		Long:  templates.LongDesc(i18n.T("These commands correspond to alpha features that are not enabled in Kubernetes clusters by default.")),
  	}
  
  	// Alpha commands should be added here. As features graduate from alpha they should move
  	// from here to the CommandGroups defined by NewKubeletCommand() in cmd.go.
  	//cmd.AddCommand(NewCmdDebug(f, in, out, err))
  
  	// NewKubeletCommand() will hide the alpha command if it has no subcommands. Overriding
  	// the help function ensures a reasonable message if someone types the hidden command anyway.
  	if !cmd.HasSubCommands() {
  		cmd.SetHelpFunc(func(*cobra.Command, []string) {
  			cmd.Println(i18n.T("No alpha commands are available in this version of kubectl"))
  		})
  	}
  
  	return cmd
  }
docs: // NewCmdAlpha creates a command that acts as an alternate root command for features in alpha