import (
	"context"
	"fmt"
	"io"
	"sync"
)

// Writes in parallel to writers
type parallelWriter struct {
	writers     []io.Writer
	writeQuorum int
	errs        []error
}

// Write writes data to writers in parallel.
func (p *parallelWriter) Write(ctx context.Context, blocks [][]byte) error {
	var wg sync.WaitGroup

	for i := range p.writers {
		if p.writers[i] == nil {
			p.errs[i] = errDiskNotFound
			continue

	}
}

func TestCloseOnWriter(t *testing.T) {
	writer := WriteOnClose(io.Discard)
	if writer.HasWritten() {
		t.Error("WriteOnCloser must not be marked as HasWritten")
	}
	writer.Write(nil)
	if !writer.HasWritten() {
		t.Error("WriteOnCloser must be marked as HasWritten")
	}

	writer = WriteOnClose(io.Discard)
	writer.Close()
	if !writer.HasWritten() {
		t.Error("WriteOnCloser must be marked as HasWritten")

	lrwm := NewLRWMutex()

	// fmt.Println("Getting initial write lock")
	if !lrwm.GetLock(ctx, "", "", time.Second) {
		panic("Failed to acquire initial write lock")
	}

	go func() {
		time.Sleep(2 * time.Second)
		lrwm.Unlock()
		// fmt.Println("Initial write lock released, waiting...")
	}()

	// fmt.Println("Trying to acquire 2nd write lock, waiting...")
	locked = lrwm.GetLock(ctx, "", "", duration)

		runtime.GOMAXPROCS(gomaxprocs)
		// Number of active readers + 10000 * number of active writers.
		var activity int32
		cdone := make(chan bool)
		go writer(resource, numIterations, &activity, cdone)
		var i int
		for i = 0; i < numReaders/2; i++ {
			go reader(resource, numIterations, &activity, cdone)
		}
		go writer(resource, numIterations, &activity, cdone)
		for ; i < numReaders; i++ {

package main

import (
	"errors"
	"fmt"
	"io"
	"os"

	"github.com/minio/madmin-go/v3/estream"
)

type keepFileErr struct {
	error
}

func extractInspectV2(pk []byte, r io.Reader, w io.Writer, okMsg string) error {
	privKey, err := bytesToPrivateKey(pk)
	if err != nil {
		return fmt.Errorf("decoding key returned: %w", err)
	}

	sr, err := estream.NewReader(r)
	if err != nil {
		return err
	}

			for _, cmd := range closestCommands {
				console.Printf("\t‘%s’\n", cmd)
			}
		}

		os.Exit(1)
	}

	return app
}

func startupBanner(banner io.Writer) {
	CopyrightYear = strconv.Itoa(time.Now().Year())
	fmt.Fprintln(banner, color.Blue("Copyright:")+color.Bold(" 2015-%s MinIO, Inc.", CopyrightYear))
	fmt.Fprintln(banner, color.Blue("License:")+color.Bold(" "+MinioLicense))

func newStreamingBitrotWriterBuffer(w io.Writer, algo BitrotAlgorithm, shardSize int64) io.Writer {
	return &streamingBitrotWriter{iow: ioutil.NopCloser(w), h: algo.New(), shardSize: shardSize, canClose: nil, closeWithErr: func(err error) error {
		// Similar to CloseWithError on pipes we always return nil.
		return nil
	}}
}

// Returns streaming bitrot writer implementation.

func (r *Record) Raw() (sql.SelectObjectFormat, interface{}) {
	return r.SelectFormat, r.KVS
}

// WriteJSON - encodes to JSON data.
func (r *Record) WriteJSON(writer io.Writer) error {
	return json.NewEncoder(writer).Encode(r.KVS)
}

// Replace the underlying buffer of json data.
func (r *Record) Replace(k interface{}) error {
	v, ok := k.(jstream.KVS)
	if !ok {

	DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error)

	// WalkDir will walk a directory on disk and return a metacache stream on wr.
	WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error

	// Metadata operations
	DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool, opts DeleteOptions) error

	QuoteCharacter       string `xml:"QuoteCharacter"`
	QuoteEscapeCharacter string `xml:"QuoteEscapeCharacter"`
	unmarshaled          bool
}

// IsEmpty - returns whether writer args is empty or not.
func (args *WriterArgs) IsEmpty() bool {
	return !args.unmarshaled
}

// UnmarshalXML - decodes XML data.
func (args *WriterArgs) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {