// it returns true if there is no tags in the underlying Filter.
func (f Filter) TestTags(userTags string) bool {
	if f.cachedTags == nil {
		cache := make(map[string]string)
		for _, t := range append(f.And.Tags, f.Tag) {
			if !t.IsEmpty() {
				cache[t.Key] = t.Value
			}
		}
		f.cachedTags = cache
	}

	// This filter does not have any tags, always return true
	if len(f.cachedTags) == 0 {

		// so that newErasureSets initializes non existing paths
		// and successfully returns initialized object layer.
		disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
		erasureDisks = append(erasureDisks, disk)
		defer os.RemoveAll(disk)
	}

	endpoints := mustGetNewEndpoints(0, 16, erasureDisks...)
	_, _, err := waitForFormatErasure(true, endpoints, 1, 0, 16, "")
	if err != errInvalidArgument {

			escapeStringJSON(b, k)
			b.WriteString(`":"`)
			escapeStringJSON(b, v)
			b.WriteString(`"}`)
		}
		return b.Bytes(), nil
	}

	sortedKeys := make([]string, 0, len(c))
	for k := range c {
		sortedKeys = append(sortedKeys, k)
	}
	sort.Strings(sortedKeys)

	b.WriteByte('{')
	for i, k := range sortedKeys {
		b.WriteByte('"')
		escapeStringJSON(b, k)
		b.WriteString(`":"`)
		escapeStringJSON(b, c[k])

				ef.BindNames = append([]string{fieldStruct.Name}, ef.BindNames...)
				if _, ok := field.TagSettings["EMBEDDED"]; ok || !fieldStruct.Anonymous {
					ef.EmbeddedBindNames = append([]string{fieldStruct.Name}, ef.EmbeddedBindNames...)
				}
				// index is negative means is pointer
				if field.FieldType.Kind() == reflect.Struct {
					ef.StructField.Index = append([]int{fieldStruct.Index[0]}, ef.StructField.Index...)

				}

				data, err = decryptData(data, obj.Name)
				if err != nil {
					// ignore history file that cannot be loaded.
					continue
				}

				cfgEntry.Data = string(data)
			}
			configHistory = append(configHistory, cfgEntry)
			count--
			if count == 0 {
				break
			}
		}
		if !res.IsTruncated {
			// We are done here
			break
		}
		marker = res.NextMarker
	}

			return
		}
		creds, _ := sts.Get()

		bucketNames := []string{}

		for _, bucket := range buckets {
			log.Println(fmt.Sprintf("Bucket discovered: %s", bucket.Name))
			bucketNames = append(bucketNames, bucket.Name)
		}
		response := make(map[string]interface{})
		response["credentials"] = creds
		response["buckets"] = bucketNames
		c, err := json.MarshalIndent(response, "", "\t")
		if err != nil {

	var rinfo ResyncTargetsInfo
	target := globalBucketTargetSys.GetRemoteBucketTargetByArn(ctx, bucket, tgtArns[0])
	target.ResetBeforeDate = UTCNow().AddDate(0, 0, -1*int(days/24))
	target.ResetID = resetID
	rinfo.Targets = append(rinfo.Targets, ResyncTarget{Arn: tgtArns[0], ResetID: target.ResetID})
	if err = globalBucketTargetSys.SetTarget(ctx, bucket, &target, true); err != nil {
		switch err.(type) {
		case RemoteTargetConnectionErr:

					for _, rf := range r.References {
						var primaryKey, primaryKeySchema string
						if rf.PrimaryKey != nil {
							primaryKey, primaryKeySchema = rf.PrimaryKey.Name, rf.PrimaryKey.Schema.Name
						}
						refs = append(refs, fmt.Sprintf(
							"{PrimaryKey: %v PrimaryKeySchame: %v ForeignKey: %v ForeignKeySchema: %v PrimaryValue: %v OwnPrimaryKey: %v}",

	// Output: Hello, world!
}

func ExampleWriter_AvailableBuffer() {
	w := bufio.NewWriter(os.Stdout)
	for _, i := range []int64{1, 2, 3, 4} {
		b := w.AvailableBuffer()
		b = strconv.AppendInt(b, i, 10)
		b = append(b, ' ')
		w.Write(b)
	}
	w.Flush()
	// Output: 1 2 3 4
}

// ExampleWriter_ReadFrom demonstrates how to use the ReadFrom method of Writer.
func ExampleWriter_ReadFrom() {
	var buf bytes.Buffer

				// Only add lockers only one per endpoint and per erasure set.
				if locker, ok := erasureLockers[endpoint.Host]; ok && !lockerEpSet.Contains(endpoint.Host) {
					lockerEpSet.Add(endpoint.Host)
					s.erasureLockers[i] = append(s.erasureLockers[i], locker)
				}
				lk.Unlock()
			}(i, endpoints.Endpoints[i*setDriveCount+j])
		}
	}
	wg.Wait()

	for i := range setCount {
		wg.Add(1)
		go func(i int) {