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: main.go
    path of file: ./repos/minio/docs/debugging/healing-bin
    
    the code of the file until where you have to start completion: // Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"archive/zip"
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"os"
	"strings"

	"github.com/minio/cli"
	"github.com/tinylib/msgp/msgp"
)

func main() {
	app := cli.NewApp()
	app.Copyright = "MinIO, Inc."
	app.Usage = "healing.bin to JSON"
	app.HideVersion = true
	app.HideHelpCommand = true
	app.CustomAppHelpTemplate = `NAME:
  {{.Name}} - {{.Usage}}

USAGE:
  {{.Name}} {{if .VisibleFlags}}[FLAGS]{{end}} [HEALINGBINFILE|INSPECTZIPFIL
    
func main() {
	app := cli.NewApp()
	app.Copyright = "MinIO, Inc."
	app.Usage = "healing.bin to JSON"
	app.HideVersion = true
	app.HideHelpCommand = true
	app.CustomAppHelpTemplate = `NAME:
  {{.Name}} - {{.Usage}}

USAGE:
  {{.Name}} {{if .VisibleFlags}}[FLAGS]{{end}} [HEALINGBINFILE|INSPECTZIPFILE]

files ending in '.zip' will be searched for '.healing.bin files recursively and
printed together as a single JSON.

FLAGS:
  {{range .VisibleFlags}}{{.}}
  {{end}}
`
	app.Flags = []cli.Flag{}
	app.Action = func(c *cli.Context) error {
		if !c.Args().Present() {
			cli.ShowAppHelpAndExit(c, 1) // last argument is exit code
		}

		ht := make(map[string]map[string]interface{})
		file := c.Args().Get(0)
		if strings.HasSuffix(file, ".zip") {
			var sz int64
			f, err := os.Open(file)
			if err != nil {
				return err
			}
			if st, err := f.Stat(); err == nil {
				sz = st.Size()
			}
			defer f.Close()
			zr, err := zip.NewReader(f, sz)
			if err != nil {
				return err
			}
			for _, file := range zr.File {
				if !file.FileInfo().IsDir() && strings.HasSuffix(file.Name, ".healing.bin") {
					r, err := file.Open()
					if err != nil {
						return err
					}

					b, err := io.ReadAll(r)
					if err != nil {
						return err
					}
					buf := bytes.NewBuffer(nil)
					if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
						return err
					}

					dec := json.NewDecoder(buf)
					// Use number to preserve integers.
					dec.UseNumber()
					var htr map[string]interface{}
					if err = dec.Decode(&htr); err != nil {
						return err
					}
					ht[file.Name] = htr
				}
			}
			b, err := json.MarshalIndent(ht, "", "  ")
			if err != nil {
				return err
			}
			fmt.Println(string(b))
			return nil
		}
		b, err := os.ReadFile(file)
		if err != nil {
			return err
		}
		buf := bytes.NewBuffer(nil)
		if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
			return err
		}
		var htr map[string]interface{}
		dec := json.NewDecoder(buf)
		// Use number to preserve integers.
		dec.UseNumber()
		if err = dec.Decode(&htr); err != nil {
			return err
		}
		ht[file] = htr
		b, err = json.MarshalIndent(ht, "", "  ")
		if err != nil {
			return err
		}
		fmt.Println(string(b))
		return nil
	}

	err := app.Run(os.Args)
	if err != nil {
		log.Fatal(err)
	}
}