}

// hashOrder - hashes input key to return consistent
// hashed integer slice. Returned integer order is salted
// with an input key. This results in consistent order.
// NOTE: collisions are fine, we are not looking for uniqueness
// in the slices returned.
func hashOrder(key string, cardinality int) []int {
	if cardinality <= 0 {
		// Returns an empty int slice for cardinality < 0.
		return nil
	}

	ErrNotImplemented     = errors.New("function not implemented")
	ErrAccessTokenExpired = errors.New("access_token expired or unauthorized")
)

// Provider implements identity provider specific admin operations, such as
// looking up users, fetching additional attributes etc.
type Provider interface {
	LoginWithUser(username, password string) error
	LoginWithClientID(clientID, clientSecret string) error
	LookupUser(userid string) (User, error)

package color

import (
	"fmt"

	"github.com/fatih/color"
)

// global colors.
var (
	// Check if we stderr, stdout are dumb terminals, we do not apply
	// ansi coloring on dumb terminals.
	IsTerminal = func() bool {
		return !color.NoColor
	}

	Bold = func() func(format string, a ...interface{}) string {
		if IsTerminal() {
			return color.New(color.Bold).SprintfFunc()
		}

		totalFileSize := int64(-1) // For compressed objects length will be unknown (represented by length=-1)
		if length != -1 {
			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.
			totalFileSize = bitrotSumsTotalSize + length
		}
		r.CloseWithError(disk.CreateFile(context.TODO(), origvolume, volume, filePath, totalFileSize, r))
	}()
	return bw
}

		return nil, err
	}

	if r.Count == 0 {
		key = strings.TrimSuffix(key, etcdPathSeparator)
		r, err = c.etcdClient.Get(ctx, key)
		if err != nil {
			return nil, err
		}
		// only if we are looking at `domain` as true
		// we should return error here.
		if domain && r.Count == 0 {
			return nil, ErrDomainMissing
		}
	}

	var srvRecords []SrvRecord
	for _, n := range r.Kvs {