condition.signalAll() // Because doReadTimeout() may have changed.
      }
      connection.flush()
      cancelStreamIfNecessary()
    }
  }

  companion object {
    internal const val EMIT_BUFFER_SIZE = 16384L
  }

  /** [delta] will be negative if a settings frame initial window is smaller than the last. */
  fun addBytesToWriteWindow(delta: Long) {
    writeBytesMaximum += delta

// WalkVersionsSortOrder represents the sort order in which versions of an
// object should be returned by ObjectLayer.Walk method
type WalkVersionsSortOrder uint8

const (
	// WalkVersionsSortAsc - Sort in ascending order of ModTime
	WalkVersionsSortAsc WalkVersionsSortOrder = iota
	// WalkVersionsSortDesc - Sort in descending order of ModTime
	WalkVersionsSortDesc
)

	"github.com/minio/minio/internal/config/heal"
	"github.com/minio/minio/internal/event"
	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/pkg/v3/console"
	uatomic "go.uber.org/atomic"
)

const (
	dataScannerSleepPerFolder        = time.Millisecond                 // Time to wait between folders.
	dataUsageUpdateDirCycles         = 16                               // Visit all folders every n cycles.

	for _, path := range []string{
		"../foo",
		"/foo",
		"a/b/../../../c",
	} {
		var buf bytes.Buffer
		tw := NewWriter(&buf)
		tw.WriteHeader(&Header{
			Name: path,
		})
		const securePath = "secure"
		tw.WriteHeader(&Header{
			Name: securePath,
		})
		tw.Close()

		tr := NewReader(&buf)
		h, err := tr.Next()
		if err != ErrInsecurePath {

	"github.com/minio/minio/internal/fips"
	"github.com/minio/minio/internal/kms"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/policy"
	"github.com/minio/sio"
)

const (
	legacyBucketObjectLockEnabledConfigFile = "object-lock-enabled.json"
	legacyBucketObjectLockEnabledConfig     = `{"x-amz-bucket-object-lock-enabled":true}`

	bucketMetadataFile    = ".metadata.bin"

		methods: []string{http.MethodDelete, http.MethodPut, http.MethodGet},
		queries: []string{"analytics", ""},
	},
}

// Set of s3 handler options as bit flags.
type s3HFlag uint8

const (
	// when provided, disables Gzip compression.
	noGZS3HFlag = 1 << iota

	// when provided, enables only tracing of headers. Otherwise, both headers
	// and body are traced.
	traceHdrsS3HFlag

	if !ok {
		return
	}

	for _, exp := range f.ExpFunc {
		if exp.Func.Name.Name == n.Name.Name {
			exp.Func = n
			break
		}
	}
}

type astContext int

const (
	ctxProg astContext = iota
	ctxEmbedType
	ctxType
	ctxStmt
	ctxExpr
	ctxField
	ctxParam
	ctxAssign2 // assignment of a single expression to two variables
	ctxSwitch
	ctxTypeSwitch
	ctxFile

		lockRetryMinInterval,
		100*time.Millisecond,
		5*time.Second,
	)
}

func log(format string, data ...interface{}) {
	if dsyncLog {
		console.Printf(format, data...)
	}
}

const (
	// dRWMutexAcquireTimeout - default tolerance limit to wait for lock acquisition before.
	drwMutexAcquireTimeout = 1 * time.Second // 1 second.

	// dRWMutexRefreshTimeout - default timeout for the refresh call

	"github.com/minio/minio-go/v7/pkg/s3utils"
	"github.com/minio/minio-go/v7/pkg/set"
	"github.com/minio/minio-go/v7/pkg/signer"
	"github.com/minio/minio/internal/auth"
	"github.com/minio/pkg/v3/env"
)

const (
	testDefaultTimeout = 30 * time.Second
)

// API suite container for IAM
type TestSuiteIAM struct {
	TestSuiteCommon

	ServerTypeDescription string

	// Flag to turn on tests for etcd backend IAM

// It returns -1 if rune is not present in s.
// If r is [utf8.RuneError], it returns the first instance of any
// invalid UTF-8 byte sequence.
func IndexRune(s []byte, r rune) int {
	const haveFastIndex = bytealg.MaxBruteForce > 0
	switch {
	case 0 <= r && r < utf8.RuneSelf:
		return IndexByte(s, byte(r))
	case r == utf8.RuneError:
		for i := 0; i < len(s); {
			r1, n := utf8.DecodeRune(s[i:])