* `compresslevel` - Used during GZip compression. It is an integer ranging from 1 to 9. Defaults to `9`. Lower value results in faster compression but larger file sizes, while higher value results in slower compression but smaller file sizes.

## Other middlewares

There are many other ASGI middlewares.

For example:

func toString(val interface{}) string {
	switch v := val.(type) {
	case string:
		return v
	default:
		return ""
	}
}

// toLowerString - safely convert interface to lower string
func toLowerString(val interface{}) string {
	return strings.ToLower(toString(val))
}

// toInteger _ Safely convert interface to integer without causing panic.
func toInteger(val interface{}) (int64, error) {
	switch v := val.(type) {

			}
			if objRetention.Mode.Valid() {
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockMode)] = string(objRetention.Mode)
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = amztime.ISO8601Format(objRetention.RetainUntilDate.UTC())
			} else {
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockMode)] = ""
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = ""
			}

In most setups this will keep the scanner slow enough to not impact overall system performance. Setting the `delay` key to a *lower* value will make the scanner faster and setting it to 0 will make the scanner run at full speed (not recommended in production). Setting it to a higher value will make the scanner slower, consuming less resources with the trade off of not collecting metrics for operations like healing and disk usage as fast.

```

			ConditionValues: conditions,
			IsOwner:         owner,
			Claims:          cred.Claims,
		})
	}
	if globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,
		Action:          policy.PutObjectRetentionAction,
		BucketName:      bucketName,
		ConditionValues: conditions,
		ObjectName:      objectName,
		IsOwner:         owner,
		Claims:          cred.Claims,

  }

  /**
   * Similar to load64, but allows offset + 8 > input.length, padding the result with zeroes. This
   * has to explicitly reverse the order of the bytes as it packs them into the result which makes
   * it slower than the native version.
   *
   * @param input the input bytes
   * @param offset the offset into the array at which to start reading
   * @param length the number of bytes from the input to read

		v := strings.ToLower(vs)
		switch v {
		case "true", "false":
			objectLockEnabled = v == "true"
		default:
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
			return
		}
	}

	forceCreate := false
	if vs := r.Header.Get(xhttp.MinIOForceCreate); len(vs) > 0 {
		v := strings.ToLower(vs)
		switch v {
		case "true", "false":

e","_longMonthsParse","_shortMonthsParse","firstDayOfYear","firstDayOfWeek","_weekdays","_weekdaysMin","_weekdaysShort","weekdayName","_weekdaysParseExact","_weekdaysParse","_shortWeekdaysParse","_minWeekdaysParse","_fullWeekdaysParse","charAt","isLower","langData","mathAbs","addSubtract$1","absCeil","daysToMonths","monthsToDays","makeAs","alias","as","asMilliseconds","asSeconds","asMinutes","asHours","asDays","asWeeks","asMonths","asQuarters","asYears","makeGetter","thresholds","relativeTime$1"...

// preferredKexAlgos specifies the default preference for key-exchange
// algorithms in preference order. The diffie-hellman-group16-sha512 algorithm
// is disabled by default because it is a bit slower than the others.
var preferredKexAlgos = []string{
	kexAlgoCurve25519SHA256, kexAlgoCurve25519SHA256LibSSH,
	kexAlgoECDH256, kexAlgoECDH384, kexAlgoECDH521,
	kexAlgoDH14SHA256, kexAlgoDH14SHA1,
}

    int lower = 0;
    int upper = list.size() - 1;

    while (lower <= upper) {
      int middle = (lower + upper) >>> 1;
      int c = comparator.compare(key, list.get(middle));
      if (c < 0) {
        upper = middle - 1;
      } else if (c > 0) {
        lower = middle + 1;
      } else {
        return lower
            + presentBehavior.resultIndex(