* Represents a rule for controlling crawler intervals.
     * Each rule defines a time range, applicable days, and delay amount.
     */
    public static class IntervalRule {
        /** Starting hour of the interval */
        protected int fromHours;

        /** Starting minute of the interval */
        protected int fromMinutes;

        /** Ending hour of the interval */
        protected int toHours;

	$MC_COMMAND
	STATUS=$?
	until [ $STATUS = 0 ]; do
		ATTEMPTS=$(expr $ATTEMPTS + 1)
		echo \"Failed attempts: $ATTEMPTS\"
		if [ $ATTEMPTS -gt $LIMIT ]; then
			exit 1
		fi
		sleep 2 # 1 second intervals between attempts
		$MC_COMMAND
		STATUS=$?
	done
	set -e # reset `e` as active
	return 0
}

# checkBucketExists ($bucket)
# Check if the bucket exists, by using the exit code of `mc ls`

  STATUS=$? ;
  until [ $STATUS = 0 ]
  do
    ATTEMPTS=`expr $ATTEMPTS + 1` ;
    echo \"Failed attempts: $ATTEMPTS\" ;
    if [ $ATTEMPTS -gt $LIMIT ]; then
      exit 1 ;
    fi ;
    sleep 2 ; # 2 second intervals between attempts
    $MC_COMMAND ;
    STATUS=$? ;
  done ;
  set -e ; # reset `e` as active
  return 0
}

# checkSvcacctExists ()

		switch {
		case humanize.KiByte == szInt.start && szInt.end == humanize.MiByte-1:
			// spl interval: [1024B, 1MiB)
			res[szInt.name] = splCount
		case humanize.KiByte <= szInt.start && szInt.end <= humanize.MiByte-1:
			// intervals that fall within the spl interval above; they
			// appear earlier in this array of intervals, see
			// ObjectsHistogramIntervals
			splCount += count
			fallthrough
		default:

		// cycle back return 'true'
		return true
	}

	ctx = lkctx.Context()
	defer locker.Unlock(lkctx)

	// Perform callhome once and then keep running it at regular intervals.
	performCallhome(ctx)

	callhomeTimer := time.NewTimer(globalCallhomeConfig.FrequencyDur())
	defer callhomeTimer.Stop()

	for {
		if !globalCallhomeConfig.Enabled() {

  STATUS=$? ;
  until [ $STATUS = 0 ]
  do
    ATTEMPTS=`expr $ATTEMPTS + 1` ;
    echo \"Failed attempts: $ATTEMPTS\" ;
    if [ $ATTEMPTS -gt $LIMIT ]; then
      exit 1 ;
    fi ;
    sleep 2 ; # 1 second intervals between attempts
    $MC_COMMAND ;
    STATUS=$? ;
  done ;
  set -e ; # reset `e` as active
  return 0
}

# checkUserExists ()
# Check if the user exists, by using the exit code of `mc admin user info`

        this.maxRetryCount = maxRetryCount;
    }

    /**
     * Returns the retry interval.
     * @return The retry interval in milliseconds.
     */
    public long getRetryInterval() {
        return retryInterval;
    }

    /**
     * Sets the retry interval.
     * @param retryInterval The retry interval in milliseconds.
     */
    public void setRetryInterval(final long retryInterval) {

   * onto the 1/rate (i.e. intervals) that is effective at the given storedPermits. "storedPermits"
   * essentially measure unused time; we spend unused time buying/storing permits. Rate is
   * "permits / time", thus "1 / rate = time / permits". Thus, "1/rate" (time / permits) times
   * "permits" gives time, i.e., integrals on this function (which is what storedPermitsToWaitTime()

Extra metadata maintained internally in `xl.meta` for a transitioned object

```
...
        "MetaSys": {
          "x-minio-internal-transition-status": "Y29tcGxldGU=",
          "x-minio-internal-transition-tier": "R0NTVElFUjE=",

        this.ruleManager = ruleManager;
    }

    /**
     * Returns the interval controller.
     * @return The IntervalController.
     */
    public IntervalController getIntervalController() {
        return intervalController;
    }

    /**
     * Sets the interval controller.
     * @param intervalController The IntervalController.
     */