Partition    string
	Service      string
	Region       string
	ResourceType string
	ResourceID   string
}

// Allows english letters, numbers, '.', '-', '_' and '/'. Starts with a
// letter or digit. At least 1 character long.
var validResourceIDRegex = regexp.MustCompile(`[A-Za-z0-9_/\.-]+$`)

// NewIAMRoleARN - returns an ARN for a role in MinIO.
func NewIAMRoleARN(resourceID, serverRegion string) (ARN, error) {

	}
	errInvalidAggregation = errors.New("Invalid aggregation seen")
)

type aggVal struct {
	runningSum             *Value
	runningCount           int64
	runningMax, runningMin *Value

	// Stores if at least one record has been seen
	seen bool
}

func newAggVal(fn FuncName) *aggVal {
	switch fn {
	case aggFnAvg, aggFnSum:
		return &aggVal{runningSum: FromFloat(0)}
	case aggFnMin:

		Long:  "The remove subcommand removes the Istio operator controller from the cluster.",
		Args: func(cmd *cobra.Command, args []string) error {
			if orArgs.revision == "" && !orArgs.purge {
				return fmt.Errorf("at least one of the --revision or --purge flags must be set")
			}
			if len(args) > 0 {
				return fmt.Errorf("istioctl operator remove does not take arguments")
			}
			return nil
		},

		if exprA.isAggregation {
			return qProp{err: errNestedAggregation}
		}
		return qProp{isAggregation: true}

	case sqlFnCoalesce:
		if len(e.SFunc.ArgsList) == 0 {
			return qProp{err: fmt.Errorf("%s needs at least one argument", string(funcName))}
		}
		for _, arg := range e.SFunc.ArgsList {
			result.combine(arg.analyze(s))
		}
		return result

	case sqlFnNullIf:
		if len(e.SFunc.ArgsList) != 2 {

	"strings"
)

var (
	errReplicationTooManyRules          = Errorf("Replication configuration allows a maximum of 1000 rules")
	errReplicationNoRule                = Errorf("Replication configuration should have at least one rule")
	errReplicationUniquePriority        = Errorf("Replication configuration has duplicate priority")
	errRoleArnMissingLegacy             = Errorf("Missing required parameter `Role` in ReplicationConfiguration")

			// sleep for some time and try again.
			duration := time.Duration(r.Float64() * float64(globalCallhomeConfig.FrequencyDur()))
			if duration < time.Second {
				// Make sure to sleep at least a second to avoid high CPU ticks.
				duration = time.Second
			}
			time.Sleep(duration)
		}
	}()
}

func runCallhome(ctx context.Context, objAPI ObjectLayer) bool {

	}
	return false
}

// IsEncrypted returns true if the object metadata indicates
// that it was uploaded using some form of server-side-encryption.
//
// IsEncrypted only checks whether the metadata contains at least
// one entry indicating SSE-C or SSE-S3.
func IsEncrypted(metadata map[string]string) (Type, bool) {
	if S3KMS.IsEncrypted(metadata) {
		return S3KMS, true
	}
	if S3.IsEncrypted(metadata) {
		return S3, true

		if err := sm.load(ctx, newObjectLayerFn()); err == nil {
			<-ctx.Done()
			return
		}
		duration := time.Duration(r.Float64() * float64(time.Second*10))
		if duration < time.Second {
			// Make sure to sleep at least a second to avoid high CPU ticks.
			duration = time.Second
		}
		time.Sleep(duration)
	}
}

// load resync metrics saved on disk into memory