You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: get_manifest.go
    path of file: ./repos/helm/cmd/helm
    
    the code of the file until where you have to start completion: /*
Copyright The Helm Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use 
    
func newGetManifestCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
	client := action.NewGet(cfg)

	cmd := &cobra.Command{
		Use:   "manifest RELEASE_NAME",
		Short: "download the manifest for a named release",
		Long:  getManifestHelp,
		Args:  require.ExactArgs(1),
		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
			if len(args) != 0 {
				return nil, cobra.ShellCompDirectiveNoFileComp
			}
			return compListReleases(toComplete, args, cfg)
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			res, err := client.Run(args[0])
			if err != nil {
				return err
			}
			fmt.Fprintln(out, res.Manifest)
			return nil
		},
	}

	cmd.Flags().IntVar(&client.Version, "revision", 0, "get the named release with revision")
	err := cmd.RegisterFlagCompletionFunc("revision", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
		if len(args) == 1 {
			return compListRevisions(toComplete, cfg, args[0])
		}
		return nil, cobra.ShellCompDirectiveNoFileComp
	})

	if err != nil {
		log.Fatal(err)
	}

	return cmd
}