code: func NormalizeAll(cmd *cobra.Command) *cobra.Command {
  	if cmd.HasSubCommands() {
  		for _, subCmd := range cmd.Commands() {
  			NormalizeAll(subCmd)
  		}
  	}
  	Normalize(cmd)
  	return cmd
  }
docs: // NormalizeAll perform all required normalizations in the entire command tree.